Ford F-150 (2004-2008) :: 2006 5.4L - Losing Power Up Hills


Aug 15, 2017

2006 van. It is a work van use it every day and travel the same road every day. Pull the same hill every day use to hit the bottom at 70 and crest it at 60, now I'm down to 45 mph.

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Ford F-150 - 1997-2003 :: Losing Power On Hills - Accelerating Very Poorly?

Truck started just fine this morning, was driving for about 15 minutes and it started to lose power going up a gradual incline. I didn't even think of it really and so I just pushed the pedal in a bit and no increase in power, in fact it bogged down. I let up and went back to the gas and same thing. This was barely pressing the pedal down. I got to the top of the incline and started back down a bit and gained speed (dropped from 55-60 to 40 at the crest) up to 55, hit level ground and started to lose power again, and it felt for the life of me like the truck was fighting for every ounce of power it could get. Everytime I would step on it it would bog down again. I nursed it to an appointment I had, and when I got done with that I started back home. Same thing. It would accelerate from a stop up to 30 (I've always been a laid back accelerater) and when I would read 35-45 it would start to dog again. I got it back home.

2nd issue: On the way home I had to stop at a highway crossing on a slight inline. There the truck started to shudder a bit. and if I would just touch the gas pedal it would bog down. I played with it a bit and got it to rev a bit. put it in reverse got away from the intersection and let it idle a bit when It died. started right back up, no problem. would play with the accelerator and same thing. I finally got it to rev a bit and 2 footed it back home slipping from neutral to drive.

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Toyota :: 1986 Pickup Losing Power On Hills

I have a 1986 Toyota pickup. It's small 2 wheel drive with a stick shift. 6 weeks ago, it started lugging very slightly on hills after I had first started the car (only in the first 5 minutes of driving). Then that stopped, and now it loses power on hills so that I have to keep shifting down and going slower until I'm chugging uphill in 2nd gear at 30 mph. It only happens on long hills with a sustained uphill; smaller ones it keeps speed and power fine.

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Yaris/Scion & Vitz :: 2002 Echo Losing Power On Hills

My 2002 Echo Sportivo is losing power on hills,which is bad news as live in a hilly district. If I don't get a run up i.e lights change it's 40km/h all the way with my foot to the floor and lots of angry drivers behind me. Apart from this runs well?

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Gasoline - Hyundai - Elantra - Transmissions - Clutches :: 2002 - Losing Power When Climbing Hills

Our 2002 Hyundai Elantra is having issues. It shifts fine, no need to double-clutch. It stays in gear. Doesn't grind or anything crazy like that. It does seem like it isn't getting power to the drivetrain, and is having trouble climbing hills. This all came on very suddenly. Hubby thinks it's the clutch -- I think it may be the bushings. Though now, I'm wondering if it's something else? Since it's not having trouble shifting, should we be looking at the fuel system? Sensors? Engine seals?

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Accent MC (2006-11) :: 2008 - Losing Power Uphill And On Flat Surface With Loud Noise

Accent 2008 (155,000 km) .... Walter pump, all belt, timing belt, pulley where changed @ 120,00Km when i bought the car.

**No code showing in dtc no check engine light**

I've been losing power uphill, RPM at 4,000 and and losing speed. I heard a loud sound coming from the front starting at 2,500 rpm and up (like if the exhaust air is struggling to get out), not sure who to explain that accelerating noise

On Flat surface it's slower accelerating up to 3,000 rpm with that loud sound. It's like the more i pressed on the gas pedal, the less acceleration i get.

**Running idle up to 4,000 rpm in park, no loud noise, engine running normal sound with no lack in acceleration in RPM**

2 weeks before I had 2 ignitions coil going bad at same time, i run it about 2 miles before changing them, and the exhaust/catalytic converter came hot and melted the plastic dust cover under the car near the catalytic converter.. Did I premature burn or plug that catalytic converter?

Would it be catalytic converter? Fuel pump? Fuel Filter..

I thought of buying a catalytic converter cleaner and put in fuel tank and up the intake..

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Ford 6.0L Power Stroke Diesel :: 2006 F250 Losing Power After Running At Highway Speeds

I have a 2006 f250 6.0. the truck has 101k miles and to this point I have had zero issues. I am having trouble loosing power after running at highway speeds. Once I stop and begin to accelerate the truck looses power for a few seconds ,Belches smoke and begins to operate normally. I had an egr code, so I replaced egr and the problem persist. It is intermittent and does not happen if I stay under 50 mph.

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Ford F-150 (2004-2008) :: Losing Coolant - Water Coming Out Of Plug 4

Had the intake manifold replaced about 3 weeks ago. On the highway I stepped on the gas and something blew losing my coolant. I can see a place behind the #4 plug where water is coming out. No hose to be found. Plugged it and it got me back home but still losing water. Can't see where it's coming from but it pours out when running. Passenger side rear of motor.

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Ford F-150 (2004-2008) :: 2006 - Sunroof Has No Power But Back Window Power Works

2006 f-150 lariat 4wd:

The power Tailgate window works but the sunroof doesn't and i noticed tonight that the button for the tailgate window is illuminated green signifying it has power but the sunroof button right next to it is not illuminated. I just bought the truck yesterday and knew that the sunroof didn't work. i figured i could fix it i just am not sure where to start yet.

It looks like the sunroof might have leaked before and so the previous owner sealed it with silicone from the roof of the truck. i removed the silicone and made the sunroof free to open and close but i still have the issue that there is no power to the sunroof. i was thinking maybe the motor burned out because it couldn't move and that someone had tried to open it while it was glued shut, but that still doesn't explain the light not coming on.

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Ford 6.0L Power Stroke Diesel :: 2004 F350 - Missing Like Lost Injector And Losing Power

I have a 04 F30 4x4 with a sick 6.0 power stroke. It has 230k on the mileage and ran good. I was driving at speed when she started missing like it had lost an injector and loosing power. The RPM's dropped under 1000 so I had to pull over off the highway. When i pulled over and put it in park it shutoff. Tried several times to get to start but after 10 minutes it started up. I drove about 2 miles and it started the same process. This went on 2 more times before I was able to finally limp home the 40 miles.

It never shut off again but ran very poorly. I put a new valve in and when I tried to start it just mad a pound clunking/clacking noise. The repair shop put a starter in it because it had stopped engaging and was going to ruin the fly wheel. I looked at it and it was eaten up pretty bad from trying to get the engine to turn over. So now all it will do is a single clunk and will not turn over. He says it could be a bad injector that flooded a cylinder or blown up in the bottom end. He did take serpentine off and still no go.

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Ford 6.0L Power Stroke Diesel :: 2004 F250 Losing Power Then Stalled Out And Wouldn't Start

this morning I started my 2004 f250 drove a mile and filled up my truck. Then drove another mile and my truck acted like it was running out of fuel. It was loosing power then stalled out and wouldn't start. About five hours later I tried to start it again and nothing. about five hours after that I tried it again and it started up and drove fine.

My thought was fuel filter or the water trap. I haven't had a chance to open the filters up and check them yet. Today while I was at work I got on here to see if I could figure out what was wrong with it. all I could think of was maybe the HPOP went out or the ICP sensor. Could one of these be the problem or was I right with my original thinking and it's just a fuel filter? First thing in the morning I'm going to pull the filters and replace them.

Could there be something else wrong with my truck that I don't know about? Like I said I filled up the fuel tank then it lost power within a mile and stalled out and wouldn't start back up. Then about 10 hours later it fires up and acts like nothing happened.

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Ford 6.0L Power Stroke Diesel :: 2004 F450 Won't Start / Losing Power Like Starving For Fuel

2004 f450 with 6.0. Was driving down the road when it started losing power like it was starving for fuel. It carried on for about a mile then died and will not start. No codes at all and we put a new fuel pump on but still wont start. Put a rag with gas in the air box and will run but rough.

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Subaru - Outback :: 2004 - Loss Of Power On Hills - Leaky Head Gasket?

My 2004 Subaru Outback has had the head gasket replaced, the O2 sensor replaced, spark plugs replaced. Still I cannot go up big hills anywhere near the speed limit. I think it may be the catalytic converter is bad from driving it with a leaky head gasket.

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Ford F-150 (2004-2008) :: 2006 - No Power To Front Wheel?

my f150 has the push button 4x4 and the light on the dash illuminates but i get no power to the front wheels only a grinding noise if the rear wheels spin.

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Mazda - Tribute :: 2008 - Losing Power And Bucking Really Bad

I have an 08 mazda tribute 2.3litre 5 speed. The truck started losing power and bucking really bad about 2 months ago. If I shut the truck off and let it sit for a few minutes, then start it back up, it runs fine for maybe 10 minutes or maybe a week then it eventually starts missing and bucking again. It throws the code p0191 which is the fuel rail pressure sensor. I have replaced the sensor twice and put new plugs, wires, coil packs, fuel filter and even replaced the pcm. The truck is still doing the same thing and throwing the same code. My Mechanic and myself are stumped.

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Ford F-150 (2004-2008) :: 2006 XLT - All 4 Power Windows Stopped Working

2006 XLT F150 Triton 4x4 crew cab. My widows all 4 stopped working I have replace the 30amp breaker in pos#401 and I have replaced. The switch in the drivers door but still nothing.

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Ford F-150 (2004-2008) :: 2006 - Misfire - Lack Power - Stalling - O2 Codes?

I am perfectly capable of doing the repairs just short on time. the only shop in town is booked out 2 weeks, i need my truck sooner. 2006 f150 5.4v 3v 168k. I bought it with 150k and it was clean and ford maintained from the original owner. for a while it has been fluttering from time to time during acceleration. last week it started shuttering and missing around 45 trying to accel. no cel. I've read and actually fixed my freinds 08 but replacing cop and plugs. I bought motorcraft plugs and granatelli coils. friday morning it didn't want to start, cranked for a bit then locked up, as if hydrolocked.

I let it sit 5 minutes then cranked again and it fired but hesitating and missing like never before. anything passed 3k rpm it ran good no load. i had to drive it and it doesnt want to shift properly, revving way past normal shift points. smoking alot more than normal. hard to tell being 5 degrees out. finally got some codes. bank 2 sensor 1 stuck rich 4 times lean twice. Saturday i changed the oil plugs. and coils plugs were not original but were worn enough to visually see. all of the passenger plugs were a nice brown color. all of the driver side were jet black of carbon which follows the o2 cel. i reset it with my glorifed code buddy and it took a while if at all to come back. so im thinking not an o2 sensor????

It runs rough and will stall from time to time, I am to the point where i wont drive it. i will be replacing the camshaft sensors and vct solenoids tonight, and that one 2 if i have time. from what I've read phazers will cause a rough idle but once under load at least have some performance. when i accel it the rpms stall out before a shift i cant get anymore power, say wont got over 3200rpm. when chains and guides need to be replaced whats the symptoms??

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Ford F-150 (2004-2008) :: 2006 - Rear Power Slider Opens But Won't Close

I've got a 2006 F150 King Ranch with rear power slider that opens but won't close. After looking more closely, the bracket holding the 'close' cable is cracked and the cable end keeps pulling out. Can I just remove the sliding window/bracket and repair the holder with JB Weld or am I looking at replacing the entire back window to enjoy the convenience?

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Ford F-150 (2004-2008) :: 2006 Truck Loses Power At Highway Speeds

2006' screw, 5.4L, 116K miles ... The truck looses power at highway speeds to the point that I need to pull off of the road. When this happens the check engine light is on and the truck is still running but will not accelerate, is it possible the computer is going into limp mode and if so what would cause this?

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Ford F-150 (2004-2008) :: 2006 - Driver Side Power Window Won't Roll Up

Rolled it down yesterday. Won't roll back up. Without hitting any buttons, I hear a click in the door every 15 seconds or so. During these 15-20 seconds, when I hit the power window button, the door makes a clicking noise like it is trying to activate the motor, but nothing happens. Then it clicks, and for the next 15-20 seconds, no click, no noise, no matter how many times I hit the window switch. Then after the next click, I will hear a click again whenever i hit the button, and so on and so on, on and off every 15 seconds. I tried taking apart the switch box and checking the contacts. They were fine.

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Ford F-150 (2004-2008) :: 2006 - Power Windows And Door Locks Stopped Working?

2006 F150 5.4 2WD extended cab tow package 24k miles

My power windows have stopped working from all locations. I checked and the fuses are good. I can no longer use the exterior keypad to unlock the truck, yet my remote keyring switch will electronically open both driver and passenger doors. Neither driver's nor passenger's interior door switches work.

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