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96 Z28 Dies when it gets hot

4.2K views 11 replies 7 participants last post by  Ercmann  
#1 ·
my camaro dies when it gets hot, I let it sit for 5 minutes then starts right up then dies again after a few minutes. I spaced the ICM away from the head. its acting like its getting vapor locked. I'm at a loss with this car. any and all suggestions are greatly appreciated.
 
#2 ·
How hot is "hot?"
What is the temp reading?

I would take a fuel pressure reading to see if the fuel pump is stopping.
 
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#4 ·
Which is about the time that the fans should turn on.
Are they?

Do both fans work?
 
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#5 ·
Well if the car only stalls when hot, id say its gotta be the ICM. Fuel pump is also possible though.
 
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#6 ·
Dead short in the fan circuit would kill it.
 
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#7 ·
Never heard that one before, how so? Im not questioning your expertise, just a nice thing to know for future reference.
 
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#8 ·
Excess current draw. The circuit is normally fused, but if someone
replaced the fuse with a piece of wire or something because the fuse was blowing.

Here's another one, if the heated o2 sensors short, it blows the engine sensor fuse in the under the hood fuse block. the current draw through the PCM needed to blow the fuse will kill the engine.
It will start right back up, but....

If I were the Op I would se if maybe someone substitued a circuit breaker for a fan fuse.
It seems that some sort of temporary current draw is killing the engine.

I don't "think" it is an ICM because it would only get hotter for a while after the engine quit. Could be though.
Hard to troubleshoot using a browser.
:rock:
 
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#10 ·
I'mma go with navyvet on this one. that would do the trick.

try turning on the AC. if that kills your engine, then it is 100% certain that you have a dead short in the fan circuit somewhere.... if not, you're back at square one.
 
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