Question about 2003 Ford F250 Super Duty Crew Cab

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I have a miss in my f 250 2003 5.4 triton and abs light comes on for 1 or 2 seconds when at 1500 rpms up hill or having load

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ABS-could be a Wheel Speed Sensor

Mis under load (hi vacuum) ---Bad EGR Valve

Mis after egr repair ---COP Igition Coil

Posted on Oct 05, 2010

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For sale sigh 1.89 kmart

Posted on Oct 03, 2011


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2006 ford f150 xlt 5.4 triton shakes terribly bad at stay up and stalls and also has an oil leak somewhere near the drivers side manifold. Rpms jump up to 1200 ish and down to 1000 rpms.

how many miles on engine? plugs ever been replaced? computer is trying to compensate for engine miss, this will effect fuel trim and (i a c ) idle air control valve. rpm will go up and down, check EGR operation, and ports for clogging and if who ever pulls plugs make sure they have done a triton engine before. loosen 1/4 turn engine hot, soak plug holes with brake cleaner and PB Blaster penetrant let set over night then remove plugs. blow cylinders out meaning spin engine over before installing new plugs. hope this helps

Jun 03, 2016 | Ford Cars & Trucks

1 Answer

Turn off abs

Usually the ABS can be bypassed if you press the brake twice. The first time it activates ABS, then it bypasses it when you let off and brake a second time. Do this all the time in my 2004 when off road as I want to slide down hills with breaks locked.

Nov 19, 2013 | 2012 GMC Sierra 1500 Work Truck Regular...

1 Answer

Misfire under load and check light comes on for a second have taken to Hyundai they said the usual Plugs Leads, Injectors and wanted around $600 to clean Injectors and Throttle body. I replace Plugs and...

Up hills & under a load --could be the EGR Valve
as you have a high vacuum load

The temp goes up on hills & yes the coil packs
could break down. That won't show up in the service
bay the way a dealer tests it.

Not the Throttle Body or Injectors
Sounds good & makes them money
That is what they do,after 3 visits & parting
with your money, then they will work on the misfire
Sad isn't it

Never go to a dealer. Try a local shop

May 03, 2011 | Hyundai Accent Cars & Trucks

1 Answer

I have a couple of problems.1)abs light comes on when i accelerate from a dead stop.2)running rough especially going up a hill.3)Cd player wont eject Cd's or load.4)outside temp gauge reads wrong.if you...

loose wheel bearing can cause abs light to come on when taking off or stoping/needs tune up/clean dust gaurd with alcoholpad and butter knife/there not very acurate but try cleaning sensor in grill area

Jun 17, 2010 | 2003 Mercury Mountaineer

1 Answer

ABS & park brake lights come on after about 10 min. of hwy drivin

there is a problem with your abs sensor ....sounds like the sensor is applying the breaks for you when it shouldn't ....have a mech. look at it ...the e- brake issue could be causing a fault in the system ....all the symptoms may be the car.s computer,s way of telling you there is a problem "please bring me in "

Jul 26, 2009 | 2003 Chevrolet Suburban 1500

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May 12, 2009 | 1998 Dodge Ram 1500 4WD

1 Answer

Abs lite on hill decent on plus airbag missing

Sounds like you have an ABS Fault (either shuttle valve, wheel bearing or ABS sensor) as well as a potential injector loom issue (which can be tested by looking at the Red Connector on the ECU, if you have Oil there, you need a new injector loom).

Apr 22, 2009 | 2001 Land Rover Discovery Series II

1 Answer

Car lurches and bucks, rpms erratic on acceleration on hills

You could have any of these problems:
1) vacuum leak- broken air hose or disconnected air hose.
2) water in the gasoline- add a water remover to you gas tank.
3) bad or disconnected spark plug wire(s).
If this were my Forester, I'd take it to a mechanic who has a electronic engine tester..

Apr 07, 2009 | 2003 Subaru Forester

1 Answer

Miss at 1500 rpms

may have vacume leak some where.

Jan 01, 2009 | 1998 Ford Expedition

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