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-   -   Check Engine Light/ PCM (https://mustangforums.com/forum/4-6l-1996-2004-modular-mustang/531598-check-engine-light-pcm.html)

4.698GT 04-15-2009 06:15 PM

Check Engine Light/ PCM
 
So I think I fried my computer now. All of the dash lights work but the check engine light does not light up when the key is inserted and turned to the on postion. Also I hook up a code scanner to it and it will not allow me to read codes or check anything. Anyway I can tell if I toasted the computer.

mustangman03 04-15-2009 06:24 PM

Check the fuses I bet the fuse for the DLC is blown

4.698GT 04-15-2009 06:30 PM

data link connector has power but it will not read anything on the computer

mustangman03 04-15-2009 06:42 PM

I forgot alos check the fuses to the pcm also, check your grounds too

4.698GT 04-16-2009 06:07 AM

pulled the carpet back out and had damaged a wire by the computer. It ended up being the fuel pump. fixed the wire, car runs great. time to put the interior back togather

WhiteFoxGT 04-16-2009 06:58 AM


Originally Posted by 4.698GT (Post 6120864)
pulled the carpet back out and had damaged a wire by the computer. It ended up being the fuel pump. fixed the wire, car runs great. time to put the interior back togather


See, now you were all worried about tossing a fuel pump in there and whatnot. Didnt I tell you to check the circuits for power first. You'da been mad as hell if you threw a fuel pump in there and still had the same problems.

Atleast you got it figured out now.


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