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post #1 of 4 (permalink) Old 04-20-2011, 02:31 PM Thread Starter
 
Join Date: Sep 2009
Location: renfrew
Posts: 27
2002 F150 PCM

Has anyone evry had to change the PCM in their truck? If so what was it doing? Mine has inconsistant acceleration, almost like a dead spot. Tried coils, injectors, plugs, tested fuel pressure, cleaned MAF.
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post #2 of 4 (permalink) Old 04-20-2011, 02:47 PM
 
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Join Date: Mar 2011
Location: Eatonia, Saskatchewan
Posts: 192
We actually tried this on my old '99 f150. After hours of messing around we finally gave up, and took it to the local mechanic rather than the dealer. It took them 3 hours to get all the codes right.

I did a search for you and found a thread on another forum, thought it might be helpful to ya.

http://www.f150online.com/forums/v8-...-f150-pcm.html

Good luck.

prairiethunder
2007 F-150 FX4
2007 F-150 King Ranch
1989 F-150 XLT
1949 F-1
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post #3 of 4 (permalink) Old 04-20-2011, 02:54 PM Thread Starter
 
Join Date: Sep 2009
Location: renfrew
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was the truck doing the same thing as mine, did the new comp fix it?
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post #4 of 4 (permalink) Old 04-20-2011, 02:57 PM
 
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Join Date: Mar 2011
Location: Eatonia, Saskatchewan
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Pretty much, it was fine most of the time, but sometime would bog right down, other times the rpm's would spike for no reason. I cant remember exactly how much I paid for it, but I know the mechanic did it for about half of what the dealer did.

prairiethunder
2007 F-150 FX4
2007 F-150 King Ranch
1989 F-150 XLT
1949 F-1
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