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LinkBack | Thread Tools |
09-10-2010, 09:31 PM
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#1 |
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Registered User
Age: 55
Join Date: Sep 2010
Posts: 2
Location: User is: OffLine |
96 s10 won't start when hot (pcm?)
96 4.3 vortec starts ok cold and will run all day
but if engine is turned off it will not start back up till pcm cools down pcm is hot to touch' no fuel pump prime or ignition. does replacing pcm sound right or am i missing something |
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09-10-2010, 09:34 PM
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#2 |
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UN-BANNED B!TCHES!!!!!
 Join Date: Jan 2007
Posts: 6,950
Location: Verizon's iPhone4 User is: OffLine |
Re: 96 s10 won't start when hot (pcm?)
ignition module would sound more like it...
autozone can test it for free, drive the truck to them and get it nice and hot, remove it quickly and bring it in... its mounted to your coil.  allthough the fuel pump not turning on wouldnt be related. are you 100% sure its not coming on either? or 99%? Last edited by NotaDime; 09-10-2010 at 09:38 PM. |
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09-11-2010, 06:08 AM
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#3 |
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i saw what you did there!
 Age: 34
Join Date: Sep 2002
Posts: 3,521
Location: Lincoln IL User is: OffLine |
Re: 96 s10 won't start when hot (pcm?)
ICM or CS
one or the other is crapping out due to heat it happens pretty often everyone always automatically think its the computer but its not 9 times out of 10 its failed sensor or ICM or FP Last edited by fast68chevy; 09-11-2010 at 06:09 AM. |
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09-12-2010, 09:44 PM
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#4 |
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Registered User
Age: 55
Join Date: Sep 2010
Posts: 2
Location: User is: OffLine |
Re: 96 s10 won't start when hot (pcm?)
100% on fuel pump not coming on and when I cool the pcm truck starts right up
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09-15-2010, 09:25 PM
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#5 |
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Registered User
Age: 68
Join Date: Sep 2010
Posts: 28
Location: central Florida User is: OffLine |
Re: 96 s10 won't start when hot (pcm?)
If it won't even turn over, then the starter solenoid is too hot. It is very close to the exhaust. Installing a heat shield over it will help.
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09-15-2010, 09:27 PM
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#6 |
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UN-BANNED B!TCHES!!!!!
Join Date: Jan 2007
Posts: 6,950
Location: Verizon's iPhone4 User is: OffLine |
Re: 96 s10 won't start when hot (pcm?)
wow, sounds like it may well be the pcm then...
try to get ahold of a spare one to try it out |
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