I don't know how good Chip's skills as a mechanic are. He does design some horribly ugly rims, but that's nothing on which I would base an estimation of his mechanical talents.
A chip? If you mean a chip for a performance upgrade, then you should know that the Grand Prix does not use a chip. You have to get your PCM (Computer) reprogrammed. Check out zzperformance.com
No.
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There is no replacable "chip". You would need to replace computer.
If it is gray, then yes.
put a performance chip in the computer
You can upgrade your grand Cherokee 2005 performance by introducing a new Performance Chip to increase MPG.
Gray head, yes. Black head, no.
Maybe the chip in the key is defective.
The 1996 Jeep computer doesn't have a changable "chip". The computer can be updated by a dealer, or by some after masket scanners.
It is in the ECM and not removable. You'll need to buy a performance chip.
You would have to be able to reprogram the engine computer.