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2001 Chevy S-10 truck won't start when hot

Tiny
NINARICCI
  • MEMBER
  • 2001 CHEVROLET S-10
Engine Mechanical problem
2001 Chevy S-10 6 cyl Automatic 105000 miles

it cranks over but won't start untill it cools down
if I pour gas in the trottle body it'll start
Is there a sensor that could be bad?
Sunday, September 13th, 2009 AT 2:14 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Welcome to the forum. If you have the spider fuel system, I'd use a gage and check fuel pressure. Pressure is critical. Engine cranking the pump gets battery voltage, engine running that is alternator voltage, there is a difference. You can check for primary voltage at the injector/s, if you have a meter or anything that will react to a dc pulse, you can check for injector pulse.
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Sunday, September 13th, 2009 AT 2:48 PM

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