Question about 2002 Ford F150 Regular Cab

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2004 f150 lariat cilinder 1 misfire...

Checked plug and coil and is working!!! what could it be? engine light still on......thanks for any help...

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  • 297 Answers

Most likely the sensor on the exhaust pipe

Posted on Jul 15, 2009

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Posted on Jan 02, 2017

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Distributer 2004 f150


Could be coil on spark plug or on top engine.

May 11, 2013 | 2004 Ford F150

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Hello, i can seem to get rid off a missfire in my ford explorer 4x4 4.6 v8 from 2002. i changed the plugs and it ran great for about ten minutes, then it started miss firering again. it is even worse on...


If your coils/wires are on the correct cylinders then, with the truck running unplug your alternator if the truck runs smooth then you have a short inside the alternator causing change in electrical current, if this is case replace alternator.

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2004 audi a4 1.8 t misfiring flt code p0301 changed coils spark plug still showing code for cyl 1


try find out on the internet wats the problem with that code but take out the spark plug out of no 1 cilinder conected to the coil and turn over the engine and u will see if the spark plug will spark or not if is not sparking and the spark plugs and the coils are new may be from a wire or loose conection

Jan 12, 2011 | 2002 Audi A4

1 Answer

I have a 2005 F150, that has been running a little rough and the check engine light came on. Checked the code and it read 0305. I'm not sure what I should do next.


trouble code 0305 is for cylinder misfire. misfire code for cylinder #5 which is what a P0305 code represents. There will have leaking valve cover gaskets allowing oil to contact the boots of the ignition wires and short the high voltage to ground causing the misfire.in this case check whether plug wires, sparkplugs and valve cover gaskets are in good shape .this will help you to determine the cause of your check engine light on. This will help. Thanks please keep updated.please do rate the solution positively .thank you for using fixya

Mar 17, 2010 | 2004 Ford F150

2 Answers

2002 f150 engine misses after car wash?


Take off the distributor cap and spray some WD-40 in there and on every sensor you may think may have gotten any moisture. Hope you didn't damage any of them. Check the spark plug wires also.

Dec 29, 2009 | 2004 Ford F150

9 Answers

Misfire #3 cylinder


Has anyone found the problem? My 2003 has #3 cyclinder misfire and I have replaced the plugs and wires. It runs rough at idle but smooths out at highway speed. Anyone have any knowledge on this? This sounds like a common problem.

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2004 F150 5.4L engine misfire


The concern is likely caused by the coil which sits on top of the spark plug. Your P0301 indicated misfire on cylinder 1. Your P0316 indicated it occurs on the first 1000 revolutions. Your P0171 indicated lean on bank one. Bank one includes cylinders 1,2,3 and 4. Your lean code is strange but could be related to misfire. I would recommend swap the coil on number one with number two. Clear the code and drive it. I would expect to see a P0302 which indicates the misfire traveled with bad coil. good luck.

Mar 02, 2009 | 2004 Ford F150

2 Answers

MY #2 CYLINDER IS MISFIRING ON A 2004 F-150 SUPER CREW CAB


Check spark plugs and wires. Could also be defective Coil.
I recommend replacing all plugs and wires at the same time.

Feb 27, 2009 | 2004 Ford F150

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