Jul 8, 2010 · Here is a way to test. I have a 2008 F-350 that I just returned to the Ford Dealer for the 10th time in an attemp to correct this issue. It seems to have enough power when i am in 1st or 2nd gear, even 3rd Check engine light flickers and the engine loses acceleration. 2 liter v6 F-150, and as I stepped on the gas it totally bogged out, no power, it shook a little and had a couple little backfires. when i go on a long uphill-in 4th gear, i lose power and actually decelerate a little bit. Dealer replaced all 8 plugs and ignition coils. Jul 16, 2017 · 6. I have a 89 Ford F250 with a 5. 2L /5spd man. Oct 28, 2021 · 2017 f250 super duty 6. 7. Goes into overdrive. Driving solid red engine light and loss of power going uphill. Hesitation and power loss are signs that something is wrong, and if left unfixed, can get worse. Started with fuel filter replacement, the screen was clogged and ripped coming out of fuel filter so i replaced that with the o-ring and plastic bb kit. Jul 30, 2022 · Symptoms of power loss in the F-250. All gauges looked good no smoke or anything just wouldn't go over 10 to 15 Mar 9, 2007 · No power under load/uphill. When you climb a hill, the manifold vacuum falls, and is not strong enough to hold the A/C vents from their spring-loaded default position of defrost, so the air goes to the windshield. #3 · Jan 4, 2012. Aug 6, 2007 · Received 26 Likes on 24 Posts. 8L bogging under acceleration/load - Alright, guys here is the situation. They replaced what i thnk was the computer under the hood they said water was getting in there or moisture. 0 King Ranch CC FX4 - 143,000+. Could not get more than 2500 rpm's out of engine. I don't know exactly how to describe my issue in the title but here's the long version: Cruising on the interstate about 75, start going up a hill, it will not maintain that speed, it actually drops down as much 10-15 mph. Turbo will build boost after 5secs or so and gets up to 22psi. 0 EFI in F150. Thats the meat of the power. I had a no boost problem so i pulled the turbo, cleaned the vanes and ring it, and replaced a faulty Jun 23, 2010 · No coolant loss either. #1 · Apr 7, 2007. Driving 65mph and loss of power and black smoke. Dec 24, 2018 · 2004 f350 6. New oil coller. Black 2010 F350 6. #8 · Mar 24, 2009. Both have some pretty good track records for helping to free up sticking valves and break up carbon in older engines. 8 Loss of Power. I pushed down on the pedal to try and excelerate, but the truck down shift and would not gain any power and was blowing smoke. Also you should have between 45-55psi fuel pressure at Nov 20, 2014 · This article applies to the Ford F-250, F-350 Super Duty (2004-2014). 6. Drove truck home and the gaskets were fine. I notice when I go up a hill loses power but, on flat area runs fine. Sep 1, 2012 · 6. Nov 19, 2014 · This article applies to the Ford F-150 (2004-2014). 0 lack of power I have a '04 F-350 6. my 7. Drove to my friends house and he scanned the codes and it had lost communication the fuel control module, low fuel rail pressure Jun 30, 2023 · FordDoctor. A symptom of starving the car for fuel is a car that runs correctly at idle and low load, but falls flat on its face as you ask for more power (when climbing a hill, for instance). Hey everyone, I recently bought a 1989 F250 with the 5. - new glow plugs and Uvch and glow plug solenoid. I know it has an exhaust leak. 3 would just shut down after running fine and would not start but it did this going up a hill. 0L Power Stroke Diesel - 2004 6. If so, get a small glass soda bottle, and fill half full with gas. Apr 1, 2015 · First issue towing gooseneck with minimal load (6000-7000) coming up hill with HARD downshift and immediate warning on display of reduced Power. Unless your have a regulated return system there is no way to avoid that. Our company just bought it for fleet use recently, and has had alot of issues. Well I sent it to a local shop to do the transmission fluid. Jan 3, 2012 · I'm having power loss problems when towing. It's a 2001 with 130K miles. If it doesn't automatically drop. you should be able to get a lift pump for about 30 bucks (rock auto. fuel filter change. Shifts really hard. I have a 2017 f 250 and two weeks ago I came up to a stop sign and the truck flashed reduce power and the engine died. only on a steep grade, 45-50 mph, 2,200 rpm, the check engine light comes on and … read more. The truck just idled up the hill at 10mph. The truck has about 240,000 miles and has been great until now. 4 SWR 122K -- All Stock. It idles fine and doesn't seem to have any Jun 15, 2011 · It's a 2001 with 130K miles. 0. Aug 31, 2010 · 3. I really didn’t get any warnings on the dash other than the hill assist right when starting the truck. Clean EGR valve, new if needed as it is an easy fix at any time. Mine starts up fine, no white smoke and idles fine. Oct 14, 2011 · Anything thing will help thank u in advance! 1999 - 2003 7. The rpms were surging a bit too. 1990 5. I'll report back if the problem reoccurs, just to ensure the archives reflect the ultimate solution. The truck just decelerates . Jul 3, 2017 · Super Duty Forum - 2005 5. Watch on. When I first noticed the problem I was towing a trailer going up a grade and got into the throttle almost to the floor and noticed a loss of power and the service Aug 30, 2009 · The same tools are used for both. >band for acceleration. 10 posts · Joined 2017. Its nothing to worry about and should be expected. Aug 7, 2011 · 144 posts · Joined 2011. Checked air filter, seems clean. 2006 F350 SD Crew 6. A couple of days ago I got on the road accelerated fairly quickly and the engine just died. Made no difference. Has a high sounding whine when it does this. Try the uphill test with a full tank of fuel. 3l PSD Superchips Programmer, BW Turnover Hitch, Open Element Intake, Bilstiens, Tru Cool Tranny Cooler, 4" SS Kittyless,Tymar 3-4 Ceramic Coated DP, (The GreatWhite Horse Hauler) Like. The EGR valve is right on top of the engine right next to the oil filter. It is held on by 2 8mm bolts. 1997-2006 Expedition & Navigator - Sluggish/lack of power under hard acceleration - So I have a relatively new to me '06 with the 5. 4 litre ford with 150,000 miles or more change the intake manifold. 0, 4x4, auto, with 142,000 miles on it. I saw somewhere that it could be the spark plugs, but I"m not sure. -new thermostat. Aug 4, 2015 · Okay now a list Of things I have checked to see if it's the issue. I monitored the pids shown below. But not normal, very sluggish. Recently, I've been noticing that my truck ('95 F250 2WD 5. Yesterday while cruising slowly in the hills for about an hour or two, I came to a hill that needed more power. com had one for 28. Only about 6000 lbs. 3 while towing my Jeep on trialer. 2 258 Upstate, NY. Took a trip to the mountains for camping. 89 posts · Joined 2006. Jun 20, 2019 · Loss of power uphill. 4 owners. Usually, regular maintenance will prevent any problems, but like anything else sometimes things slip by or just fail prematurely. 4. I will explain all the common reasons why your engine loses power, stalls and hesitate going uphill. 7L Power Stroke Diesel - 6. I've noticed that in the past couple of months my RAV4 has been very sluggish while going up hill. 0 losing power on hills. 99 plus shipping) Jun 5, 2012 · 6. For now, thanks to all for the thoughts and suggestions. From a stop it is very slow to get going until the turbo kicks in, then it goes. NOT NORMAL. These are tandem pumps, that push low pressure fuel through the filter bowl. 1682 posts · Joined 2007. You hook the gauges up before the pump for the inlet restriction and after the pump for the pressure test. >put this motor around 3300 RPM. 3. If the fuel pump is on its way out, it may work intermittently or not at all. Engine turns fine but dxoes not start. 3l powerstroke diesel. Clean the coolant system and install Cat AF. A lot of great and useful information, thank you. It is also having a hard time maintaing speed on a flat surface. I replaced the oil cooler, IPR and a ICP all about 6-8 months ago. You can get it up to 70 but takes time. I changed the fuel and oil filters last week, to know for sure when they were done last. My 1992 F250, 460+E4OD, 105K miles, has acted up a few times. There are different ways you can tell that your vehicle's engine is losing power. #1 · Jul 13, 2017. First off hello everyone. 5 ecoboost with the F-250 and the 6. Dec 14, 2012 · 16 posts · Joined 2012. Next was wiring harness and valve cover gaskets but still no May 12, 2015 · 08-03-2007 12:37 PM. 8l 5speed. Remove the bolts and plug and pop out the valve. When the fuel pump went out in my 94 7. Side note from time to time startup will crank but not turnover, this seems random sometimes she starts up Total loss of power 1 Answer. 1987 - 1996 F150 & Larger F-Series Trucks - Lack of power/poor fuel economy 5. A very common reason for low power complaints is the fuel filter. #4 · May 17, 2010. - new ebps Sensor and tube. If the issue persists, a mechanic might need to check the transmission. Feels like the E-Brake is dragging. It'll drop from70 mph to 50 mph in about 45 seconds or so. Three times now it has had a big loss of power on the road accompanied by a loud hissing noise from the undercarriage. Just no low end power, and blows black smoke when accelerating and applying a load to the motor ( up hill, or from a start, or getting up to speed after slowing down). Thoughts Also it regened again on the way down. 0 start up run for approx 5 min with white smoke lose power and shutoff check the oil off the stick … read more. Trip is about 300 plus miles round trip. 5 7. In general, I'm looking for suggestions to help troubleshoot my truck's loss of power. I have a 2004 F350. When you feel the power fall off, uncap the vacuum hose and submerge it below the gas level. The exhaust system plays a crucial role in the overall performance of the engine, and any restrictions in this system can have a direct impact on power output. #2 · Jan 2, 2013. I have a 2005 F250 crew cab with the Mar 19, 2010 · EBP sensor. Thanks for the help once again. This makes discovering the underlying cause of low power Aug 1, 2010 · 2002 Ford f150: 2,200 rpm, the check engine light comes. Put it back in drive and really felt it around 40-45 mph. Not sure if its just an old weak 4 cyl engine (2000 with 260k miles) or an actual issue, rule out a few things TPS sensor, air filter and fuel filter have all been changed within the past months, and no codes. Hard code cleared after repeat starts and dealer could not see any issues. The 250 did great at lower speeds even on a hill, but when you go up a 6-7% grade at about 55-60 and you want to increase speed to 65-75 Oct 19, 2005 · He's the man. Mar 4, 2006 · 1989 F250 5. It's not that hard. About a week ago the truck was running great and had plenty of power. Connect a vacuum gage to the metal pipe via a hose. 4 liter i will loose all my power and looks like the turbo but i think its mostly due to me loosing power and most likely exhaust pressure. Hi Everyone: Today we have this 1983 Ford Truck that looses power when driving under a load. any ideas. I later learned that the high pressure side of the fuel pump had gone out. Inlet restriction should not exceed 6" water WOT loaded. My speed literally drops going up and pushing the gas doesn't really help. In my 2006 4. 0L suddenly stopped while driving. I decided to wash it with my pressure Sep 24, 2012 · 5. I have a 2001 powerstroke 7. just got an 04 f250 with the 6. 3 doesn't seem to have the power that it used to. Aug 20, 2010 · 97 7. 4L F250 loss of power and moaning on acceleration - I'm new to this, so please forgive me for any etiquette issues. 3L Power Stroke Diesel - Loss of power when I’m going up hill. Use pedal-assist or throttle mode: If your electric bike has pedal-assist or throttle mode, engage it while going uphill to provide an extra boost of power. 7 reduced engine power - Last night coming home from a tractor pull with about 8000 lbs on our gooseneck and running 70 mph suddenly the truck flashed REDUCED ENGINE POWER and dropped to 15mph. 3 f250-loss of power & sputtering at slight acceleration - Ive seen alot of threads similar to mine here but, none seem to be the same problem im havingto start off i have a 2000 7. Apr 9, 2020 · 2017 f250 going dead driving down the road. Once I topped the hill, there was no problem excelerating. Mar 20, 2009 · Roosterq. 1999 to 2016 Super Duty 1999 to 2016 Ford F250, F350, F450 and F550 Super Duty with diesel V8 and gas V8 and V10 engines. Reply Like. 7L, 4x4, FX4, SRW, 172" wheelbase, 1FT7W2BT2BEB03443; I think a September 2010 build - bought it new in December 2010. #1 · Aug 10, 2011. Dec 6, 2021 · Power loss under load/ uphill. Here is what I am thinking about doing. Jul 18, 2011 · 2005 Loss of Power. Every once in a while, it will throw a PO174 code (bank 2 too lean) which leads me to believe a vacuum or exhaust leak on the drivers side. Mar 21, 2015 · 1997-2006 Expedition & Navigator - Loses power climbing hills - 2003 Navigator 32v 5. I have been struggling with this problem for four years now and am finally getting around to posting it online to try and get some help. EBP desired 19. Sep 30, 2015 · 6. - Hi everyone, it been a while since I drove my car and now I’m giving my truck some love. If the fuel filter is clogged, then it won’t be able to properly filter out contaminants, which will cause the engine to eventually lose power. I hope this questions hasn’t been ask before. Low fuel pressure 8. -whole new engine wiring harness to to previous owner splicing and running wires all over. You will need a gauge that reads vacuum in inches of water and a fuel pressure gauge 0-75psi. 0 loss of power on hard acceleration. I coasted to the shoulder, put it in park Jan 4, 2012 · 315 posts · Joined 2011. When the truck goes over 4000 rpm the check engine light flickers for about 20 seconds, and at that point the truck loses acceleration and then it goes back to normal. 0trucksandboobs Discussion starter. I've kept up with changing the oil about every 7200 miles (7400 Failing injectors 7. Has best exhaust systems for our trucks, keep us posted on your next test drive. My Toyota has 87,000 miles on it. Never used to do this. I rode around in my friends 7. I replaced my 3. I own a 2001 7. Weld a nut of proper size to the head pipe before the cats. I turned the on and off few times and started back up. Any thoughts? Oct 9, 2023 · The RPM refuses to rise, and the engine itself seems to be losing power under certain load. This was at the end of a 100 mile drive. 8l) - 2003 F250 v10 no power under load - Hi all; First post here, although I have been a member for some time. Initially it was making zero boost and not pushing out any black smoke at all, with zero power. it does sound like a lift pump starting to go out. Aug 10, 2011 · 24 posts · Joined 2011. Attach a metal tube with a fitting that will screw into the nut for a seal with the tube sticking into the head pipe. The truck has 143,000 miles on it with no aftermarket attachments. Problem continued only when going up hills. It's plastic and has cracks all over it. I have a 2007 f250 4x4 with 62,000 miles. #1 · Jan 9, 2009. Sponsored by: Jun 4, 2010 · EBP absolute 34. I was told to replace the variable Feb 10, 2013 · FICM voltage can be there but other problems in the FICM can be causing these problems. Jan 2, 2013 · 6250 posts · Joined 2003. May 9, 2016 · Motor/Exhuast sounded very deep and louder as if it was under 2X as much load as normal. Mar 18, 2011 · Put all the coils, boots and springs in the parts bin for troubleshooting. Feb 4, 2024 · If your Ford F150 loses power going uphill, it’s due to bad spark plugs, ignition coils, fuel pumps, catalytic converters, throttle body, MAF sensors, camshaft sensors, or vacuum leaks. 4L Power Stroke Diesel - '08 F250 losing power under load - Yesterday while pulling a trailer back from a camping trip, I suddenly started losing power. 0 L FUMOTO Valve :thumbsup: . So I just got a 99 f250 v10. Modular V10 (6. I lost power and overheated. I felt the truck could not breath properly with Ford AIS. not even a check engine light. It got 200,000 put both fuel filters on fresh oil change,new air filter doesn't leak or use any oil or fluids. 3 powerstroke with about 155k miles, everything is stock other then a TS chip, 6632 napa Apr 7, 2007 · saharajeepman Discussion starter. -new fuel filter and air filter. Uncontrollable shaking of the car and a strong smell of petrol while May 20, 2010 · Hello Guys, I've got 2004 f150 with appr. Any F-150 or F-250 that has lost power is deficient in one of those four things. >Try the "overdrive defeat" like Monsta says, as you want to. I had my RV Trailer weighing 8200 pounds loaded. 69 posts · Joined 2009. 3l, rough running HELP! - I have a 2001 ford 7. 0 -> fuel injection system -> ICP sensor. Dec 4, 2011 · Uphill only power loss and surging. Oct 7, 2009 · f250: white smoke lose power and shutoff check the oil off the stick. Seems fine on flat road. Pulled over and swapped trailer to another vehicle and continued home. Oct 12, 2022 · 03-12-2017 09:37 PM. I have an intermittent problem that has been going on for a long time, but is just now getting much worse. A "reduced power" condition should have codes set in the PCM. As he busted out his code reader. 0 Momentary loss of power going up hill - Hello everyone. Runs and starts good, ran perfect for the last several months, just recently I noticed that when hard accelerating or pulling a hill I have loss of power. #2 · Jul 1, 2023. 7 Power Loss Towing. Need help. Ford F-150 2012 57000 miles. 3 F250 Powerstroke. Been reviewing these forums the past week or so, have loss power that started out as after getting warmed up. Check engine light Loses power Code P0300 Code P0302 Code P0306. I have a 2004 F250 that I recently put a new motor in. Not pulling any trailer. Cruising speed, no smoke, and it can hold the spped fine. The hiccup only lasts about a second maybe two. 2005 F250 6. 2003, 60, black, diesel, ford, hills, lose, losing, loss, make, power, semi, smoke, start, uphill. Like. Nov 7, 2011 · Loss of power on hills. Replace belt. One recommendation: At your next oil change try substituting a quart of marvel mystery oil or lucas engine oil treatment in place of one quart of your normal oil. Bamaman39. Apr 19, 2015 · 1992 F250 power loss mystery. Replace hoses, thermostat and clamps. If I get in the gas pretty hard on take off it doesn't miss a bit or cruising at 55 or 60 on the open Nov 22, 2018 · 1999 to 2016 Super Duty - Help!!! 2000 7. And needs a few cosmetic things. Attach a tiny windshield washer hose to a manifold vacuum source. 1987 - 1996 F150 & Larger F-Series Trucks - 5. Once it is clogged, it is going to cause you problems. It has 278000 miles on it. 7L Power Stroke Diesel - HELP!! Reduced Engine Power - UPDATED: 10/13/2022 2017 F250 6. 4 and it has around 85,000 miles on it. Hey I have a 2005 F350 (all stock) and have noticed low power for the past few weeks. Oct 28, 2023 · 1. Here are the detailed symptoms: Driving along at 55-65 mph (engine at ~2k RPM in OD), as I start to drive uphill I start losing speed if I Oct 11, 2017 · Power Loss/ sluggish uphill. It is about the size of a can of tomato sauce. I checked MAF - seems clean and working. It is bulletproofed with head studs, egr delete, blue spring kit, 6. No wrench, no advancetrac, nothing. Jun 8, 2021 · Thanks guys! 1987 - 1996 F150 - Uphill power loss - Most all the time under load going uphill my truck down shifts and powers uphill as it should. 7 Lariat Long Bed 175k miles When pulling a landscape trailer, about once a week the truck will just drop power and the dash will read Reduced engine power, or something like that. Truck is stock besides a banks cold air intake. 4. No bangs, no sputter, just stopped. leak Jul 16, 2022 · Ford Truck Enthusiasts Forums. 7 diesel. Hello, I have a 2005 6. Engine runs fine normally, slow but does the job. Clogged Fuel Filter. just go to tousley's website -> powerstroke catalog -> 6. While driving to work doing about 50 mph going up a slight incline, the motor got sluggish pulling up the hill. 3 that had a sudden loss of power. oil change. 0 losing power going uphill. 6, 4R70W auto (no mods -All Stock) and about 175000 miles. coolent fan clutch. #1 · Dec 14, 2012. Hissing sounds when the accelerator is stepped on. I've got a 97 F-150 4x4 with a 4. 8l - Hi all, i have a 1997 F250HD 4x4 5. 09-12-2012 10:04 PM. CascarFan. Oct 9, 2016 · waste gate or perhaps an overboost condition. Put in park and could not tell really at all. Except on hills. There is a check valve in the line to the engine from the vacuum reservoir. 8 fuel injection. -replaced icp and pigtails. The motor is from a 2006 f550 with 120,000 miles. Feb 16, 2015 · 2003 F250 6. Jan 19, 2012 · But the gradual power loss is constant up hill once I hit 50, I gradually drop to 45, right after the hiccup. It idles fine and doesn't seem to have any issues holding speed on level ground. Super Duty/Heavy Duty. Slight rough idle is gone but the truck began to have poor top end Oct 24, 2012 · If it's only loosing power when on uphill, it could be possible you have a vacuum leak somewhere, or your exhaust gas recirculating valve (EGR) is either dirty, or has a hole in the membraneI suspect a vacuum leak somewhere. EGR valve was replaced 4-5 months ago. Difficulty or refusal to accelerate when pressing the accelerator. Sep 17, 2008 · 09-08-2010 07:44 PM. An engine needs four things in order to make power: air, the proper amount of fuel, compression, and a means of igniting the compressed fuel/air mixture. SOURCE: My 1998 ford escort looses power going up hills. Jan 4, 2013 · While i was driving my truck up a long hill with about 2,000 of wood in the back, i had my foot to the floor and while it was climbing past 2,750 rpms, the engine starts going "wah wah wah wah" untill i took my foot off the petal. 0 stock, except I did add floormats. well, i had a link on here for ya but it doesn't seem to work. 0 / when accelerating on hills, noticeable loss of power. Dec 3, 2010 · 2005 6. Ford dealer said I blew head gaskets and wanted 5k to fix. Jan 18, 2023 · Car struggles to accelerate uphill. 2. . misfires. I was confused by the fact that you stated there are no codes or CEL and then you "erase the codes" and the concern clears. would not be surprised if it had something to do with the computer. I've got no power under load and/or when I'm going up a hill at freeway speeds (55+). if im in 3rd im fine, but the engine is roarin. Your Diesel Engine Has A Dirty Fuel Filter. Jul 24, 2023 · When it comes to the power loss of a diesel engine going uphill, one of the possible causes can be exhaust system restrictions. C. I have replaced all the spark plugs, plug wires, distributor cap & rotor, fuel filter Feb 8, 2019 · Absolute said: Just remember theres air in the system now, and after your pump, its going to run good again, but may cough or stumble over the next 500miles until the air all purges out. 3, same year, and it has way more power. Beaufort, SC. #1 · Jul 16, 2017. It comes out of the filter bowl and back into the high pressure part of the pump. 3L Power Stroke Diesel - Loss of power with my 7. Recently towed our 38' 14,000lb 5th wheel on vacation ran into the same problem. My 1999. Upgrade the battery: Consider investing in a higher capacity battery with better performance, allowing for more power output during uphill climbs. I am new to posting but I have been perusing these forums for a while now. 4L. I went to start the truck this morning and it fired up as usual. And onetime has the ac Jul 17, 2018 · One day last week I was driving up the blvd. 0 that has been a real nightmare. When hauling a 2-horse trailer, going uphill I loss power. I am having the same problem as are a number of Ford 6. To fix this issue, you’ll need to swap bad parts or clean them. 3 Loss of Power. Going up hill I lose all power. It takes about 5 hours when it's your vehicle. Code P1001, but no explanation as to fault. AIRAID 4" straight No CAT No MUFF . Mar 21, 2016 · It starts and runs well up to 45-55 mph, but then runs out of power. The problem did come and go near the end of the drive and I was able to duplicate it a short time later on two consecutive runs up Apr 4, 2014 · Heres the history. Another newbie here and I could use some help. 3 PSD, it severely lost power. 0 rough idle and loss of power - okay guys here goes-my first post on here. Here are a few of the tell-tale signs. 2004 F-250 6. Jan 9, 2009 · 6 posts · Joined 2009. And MAF + o2 sensors appear ok. It is defective most likely. I was in a hurry and didn't let it warm up for very long before i left work and when i pulled out into the street there was a loud noise, the "Service Engine Soon" light came Sep 9, 2015 · 77f hasn't been on FTE since 06-01-2018. So I gather that your problem is that either your tune or the scan tools you use are not retrieving Sep 10, 2012 · Last. As history - it is a 2011 F250 6. 0 turbo in march. I stepped down and nothing happened, even all the way to the floor. thanks in advance. My trucks losing power going uphill seems like it won't take fuel and here lately it's been shutting off. Jul 24, 2023 · 1999 - 2003 7. Then I stomp the accelerator a few Sep 18, 2009 · 2002 5. Truck has 164000 miles on it and up until this point has been a great truck. If the problem is gone with the full tank of fuel then you need a new fuel pump. Location. 0 with 160,000. The truck is a 2000 F250 CC 4X4. 2002 Ford F150 5. 2004 6. When I floor it in 3rd gear the RPMs barely go up. Depending on the severity of the hill, I can lose anywhere from 10 to 20 mph of speed on a hill with an empty truck bed and no trailer. Tags. Vocational, Technical or Tra Sep 27, 2023 · 6) Bad Fuel Pump. 43 ---- these were running down the highway at about 1600 to 1700 RPMs. Bring the vacuum hose into the truck and climb that hill. He repaired mine in my 2004 and it sure fixed a bunch of gremlins. EGR cooler was pressure tested and found to be OK. Just the initial hill assist and loss of power when hitting the 3-4 shift, and cruise not working. While normal driving or idealing the engine runs fine and smooth. had no problems until recently, i love this truck! so last week, i stupidly ran it VERY low on fuel, resulting in poor performance, then a fuel filter change (i May 17, 2010 · 10 posts · Joined 2010. I have Ford AIS (I changed it to AirRaid after the trip), I have TW chip, BB Garrett Turbo and 4" exhaust. I bought the truck 3 weeks ago and love it. Before the injectors I had the same problem. Between the vacuum leaks and eventually coolant leaks it's worth it. Also a hill will take it down to 35. I replaced the PCV hoses and elbows. May 4, 2002 · No Power going Up hill with F250 4x4 V10. Aug 9, 2021 · yeah. After the filter gets dirty beyond its limit, it will not operate effectively. I give it plenty of gas, go to lower gear and it still struggles to get up hills. Pulled over and could feel it at stop with the brake on. 8 Power Loss. It makes a world of difference. The original problem was it had a cold start and the first 20 minutes no power until it warmed up. 3L Power Stroke Diesel - 2001 F-250 bucking slightly up hills and losing power - Had a problem crop up with my truck tonight. '89 Sahara 4. Top5autorepairs Subsc Oct 11, 2011 · So, or now, I have a solution. #6 · Aug 11, 2011 (Edited) I had a very similar problem with my 02 7. Recently I experienced a slightly rough idle that was very intermittent. I will work on positing some other data and the EBP values when it had NO power up at hill at 2100 RPMs. 4L 165K Steadily loses power going uphill. It always starts, runs, and idles beautifully. At first I thought bad gas but now after a new fuel filter and a couple bottles of gas treatment I'm still get the miss or skipping while going up a hill. Last week after 6-8 hours of interstate driving it would downshift and not have any throttle response, start shuttering, lose power and die . New Bullet Proof EGR cooler. Aug 3, 2009 · 6. 4 fuel line banjo bolts, sct x4 tuner. Sep 11, 2018 · This truck is a 1993 F150 with the 5. 8L) is bogging below 3000RPM. But would still start cold. Drill a small hole in the middle. fuel regulator or fuel pump may be going out, sounds more May 10, 2020 · 2004 - 2008 F150 - No power going up hills - 2007 F150 XL, 4. Internal engine problems. 6. Mar 4, 2012 · Hello, I have a 1991 F-150, 5. 8 engine, with automatic transmission that has power loss over a period of time (1-2 months) when I purchased the truck it was lacking full power, when accelerating at between 1/4 and 1/2 throttle it seemed to bog down, you could hear what apperared to be starving for air or a vac. It had a turbo underboost/low boost code. . Randomly while pulling and not pulling with this 6. Plugged a good scanner on it and No Fault codes. Sep 22, 2019 · 1989 F250 5. Customer states when she switches fuel tanks the truck runs bett Easy simple fixing for loosing power when pulling trailers or going on up hill or low grade slopes. 97 F350 4x4 Crewcab 7. 0 and am having a serious issue. Drove out and noticed BOOST was 1-3psi between 25-50% throttle. It doesn't seem to have the same problem when in neutral, but it's Aug 12, 2011 · I figured my problem was just the coupler but i went ahead and bought the sensor too just to be on the safe side. Mar 16, 2017 · 2004 - 2008 Ford F150 - loss of power while towing - I have a 2004 (new model) with the 5. They have replaced all three EGT sensors, the EGR Assembly, and flashed the ECM a number of times. All preventative maintenance has routinely been done, second set of spark plugs put in at 140k, it has never leaked a drop of anything. 8, and it is a manual. 4 litre power loss. Fuel pumps may fail due to age, sediment buildup, or running the Jun 16, 2011 · 1999 - 2003 7. It started gently bucking and losing power when climbing hills. 2004 F250 Crew Cab King Ranch Lariat FX4 Saddle Leather 6. when you hit a hill you give it more throttle and the engine has a greater load which means more fuel from the lift pump. If you own a 5. f250 2004 6. Engine light came on, and Im lucky enough to have a good friend whose a gearhead. >down (assuming its an auto tranny), that would raise my. Perfect emission test results. Malfunctioning Turbo 9. Jan 10, 2013 · V10 missing under load. 1999 to 2016 Super Duty. The injectors fixed the problem. 1. 9L losing power going uphill. The problem I am having is that the truck has minimal power, it just doesn't want to get up and go. I have a problem with loseing speed while driving on a slight upgrade or steep ones at a higher rate of speed. I've changed the fuel filter. 63,000 miles on it and I'm having a problem. On flat road is drives fine. Also noticed that every now and then, it will crank with no start. The fuel filter removes impurities from the gas so that they don’t find their way into the engine. Jul 17, 2014 · Pinging can become knocking in a badly worn engine. This is my first post and first diesel. If i start going up a hill, say going 70mph, by the time i get to the top im going about 55. When this lose of power happens i have to Jul 13, 2017 · 9 posts · Joined 2017. 0 has no power and will not accelerate - Hello all! I have a 2004 F-250 with a 6. bv ze ry ce en sx rx pn ca lv