Question about Ford F-150

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Just a 05 ford f/150 lariat crewcab 5.4l 3v it needed new plugs and coils change all 8 started it it misfired still very bad could not drive I took to shop told me need new motor I brought it home unplugged some wires plugged back in ran it the next day ran fine for 2 weeks it started to hestate and sputter I change air filter and fuel filter started it could not drive it I found the fpdm hanging off crossmember got new one idle great drove it it was fine then it start to hestate bad and try to stall its the same now idles good drive it it spits and sputters once u get it going if u gas you just touch gas pedal very light it gas or if u hammer down on gas its ok but drive it like normal sputter jerks what could b problem not getting enought gas thats what it seams like need help cnt found out whats wrong

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EGR valve dirty. My car ran the same way when my EGR valve was dirty

Posted on Apr 10, 2015

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Partially blocked fuel filter or clogged injectors. Good place to start. Also, does that truck have a coil for every cylinder?

Posted on Oct 29, 2012

  • Hi,you need to check the connector for the FPDM you just replaced. Also the FPDM you purchased could be faulty. Common on this vehicle due to stupidity in engineers decision on location of mounting it.



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Posted on Jan 02, 2017

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SOURCE: 2000 ford focus car idled well

have you ck=hecked the crankshaft posisition sensor.if its bad the coil pack wont fire.

Posted on Jul 29, 2008

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SOURCE: 96 s10 misfire, has new plugs, new distributor

Check the injectors. They are really bad about leaking on the 4.3's.

Posted on Mar 10, 2009

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SOURCE: 1995 Jeep Wrangler 2.5 4cyl spits and sputters while driving

have you considered checking alternator and battery? just a thought

Posted on Apr 01, 2009

  • 285 Answers

SOURCE: car spits and sputters and stalls after driving a while

sounds like a fuel pump problem,with fuel pumps u can have pressure but not enough volume,try goin up a steeper hill in 2nd gear and get about 3000 rpms on the engine and see if it really drops out bad and is really gutless,if that happens without a check engine light coming on it might be yur pump and u should also replace the fuel filter at the same time,hope this helps

Posted on Sep 05, 2009

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SOURCE: cranks but won't start like it has no gas

Sorry to burst your bubble but a 97 jetta no matter what model including the trek I and trek II dont have transponders in the keys that didnt start untile the 2000 jetta's

Posted on Jun 19, 2010

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I have a 2002 f-150 4x4 lariat. The computer says number four cylinder misfire, I need to know where the number four cylinder is located

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How can i check my coil pack on a 1998 f 150 4.2

measure resistence between companion outputs. they should be marked on the coill pack.12 ohm nominal. mesasure the resistence of the input terminal. 3 ohm nominal. i recently had a coil pack go bad on a '97 crown vic where the number 8/2 tower was reading good resistence when i kept the meter probe steady. if i moved it around while still making contact, it would change. i was getting a cyl. 8 misfire and found a bad wire and the plug was worn funny, so i changed the plugs and wires. this did not fix the underlying problem. the bad coil pack. the vehicle was misfiring at cruise but upon acceleration no misfire was apparent. what are the symptoms the truck is displaying

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2002 F-150 V-8 Tritan with a miss. Change plugs?

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Ford f-150 lariat super crew

hey very frustrating i know mine does the same it looks to me that the problem is revolving around the throttle body or the tps throttle positioning sensor i was looking at all the postings on here sounds legit

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3 Answers

05 f-150 5.4L 3v missfire on take off (light throttle)

I took mine to the dealer. They replaced some plugs and updated the software for the truck. It has been running just fine since then. Give that a shot, it is a lot less expensive then having everything else done and then finding this solution out.

Jul 04, 2008 | 2005 Ford F-150

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