Wont start when hot
#1
Wont start when hot
I searched and Im pretty sure its the Ignition Control Module, but I would like to make sure with you guys. This is for my friends 1997 Z28, not mine. His car starts up just fine when its cold, but when the car is hot, it either wont start or has a VERY hard time starting. He works at an Acura Dealership and he took one of his coworkers for a drive for a lil bit in it and when he came back, it wouldnt start up again. So he blew air on the ICM for a while and it then started. He has a MSD blaster coil, other than that, im pretty sure his ignition system is stock. Thanks all!
#2
Re: Wont start when hot
I had a similar problem, what happened was there is some thermal grease between the ICM and the mounting plate that had been washed away by solvents when cleaning the engine. The ICM was overheating from the hot AZ sun and the lack of heat dissepation. I fixed it by purchasing some good thermal grease used for computer cpu's, the grey stuff, cleaning both surfaces and putting a even coat between the ICM and the bracket. Never had a problem after that.
#3
Re: Wont start when hot
similar thing happened to me it was my fuel pump getting ot hott and not workign properly,
if its stock , just replace teh ICM it deosnt cost too much at GMpartsdirect
akso when teh car wont start or runn crapy check the fuel pressure then ,
good luck
if its stock , just replace teh ICM it deosnt cost too much at GMpartsdirect
akso when teh car wont start or runn crapy check the fuel pressure then ,
good luck
#5
Re: Wont start when hot
thanks for the concerrn matt but i fixed the problem on my own..thanks guys for telling him how to do it but i have already takin care of the problem and all is done and fixed, i wanted to put it somewhere else but would have had a major headache finding a coil wire that long
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