2002 Mustang GT with random misfire - Ford Mustang Forum
 
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post #1 of 7 (permalink) Old 08-13-2008 Thread Starter
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2002 Mustang GT with random misfire

Hey i just came across this thread and im trying to figure this out too cuz its doing the same exact thing on my car. i just got back from sac and its misfiring on a lot of cylinders! thsi has been happening for a few weeks now and since then i changed my plugs to ngk and coils to msd and it still misfiring like hell and sputtering when the engine light flickers! The codes are p1000 p316 p300 p301 p302 p303 p305 and p306! Ive switched out injectors and coils to different cylinders to see if it follows but it doesnt! Where can i look into! What can the problem be, thanks

Jason
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post #2 of 7 (permalink) Old 08-13-2008
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Originally Posted by JasonGT02 View Post
Hey i just came across this thread and im trying to figure this out too cuz its doing the same exact thing on my car. i just got back from sac and its misfiring on a lot of cylinders! thsi has been happening for a few weeks now and since then i changed my plugs to ngk and coils to msd and it still misfiring like hell and sputtering when the engine light flickers! The codes are p1000 p316 p300 p301 p302 p303 p305 and p306! Ive switched out injectors and coils to different cylinders to see if it follows but it doesnt! Where can i look into! What can the problem be, thanks

Jason
This is on your 2002?

1965 Mustang Coupe
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post #3 of 7 (permalink) Old 08-13-2008 Thread Starter
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yes it is! On a lot of the cylinders at random times
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post #4 of 7 (permalink) Old 08-13-2008
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Originally Posted by JasonGT02 View Post
yes it is! On a lot of the cylinders at random times
You might need to check your fuel pump and/or regulator. Might be starved for gas.

1965 Mustang Coupe
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post #5 of 7 (permalink) Old 08-14-2008
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Wow sounds strange I woulda guessed coil packs... i had the same problem... now this might sound silly but are the wires in the right firing sequence??

1996 mustang GT 5 spd
PI heads and PI intake manifold
AFM N-22 Cams
Sportline Lowering Sprngs, SFC's
BBK CIA, 75mm Thottle Body, 75mm TrickFlow plenum, Longtube Headers, Offroad X-pipe, Flow masters , 3.73's , BBK fuel regulator, MSD coil packs & wires
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post #6 of 7 (permalink) Old 08-14-2008
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Wired

I agree with Chris, check your wiring job. Also check for continuity in the coil circuit (Haynes manual has procedure).

COULD be a lot of things, including fuel filter, pump, etc, but the list of trouble codes might be a hint - its NOT misfiring on some of the cylinders, leading me to believe its got some wiring issues...

Place to start, at least.

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post #7 of 7 (permalink) Old 08-16-2008
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I just had work done on my 04. My stang was misfiring and was acting like it wasn't getting gas. Thought it was fuel pump or filter but it ended up being the ignition coil (#8). Hope this helps.
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