1995 Chevy Caprice Car starts hard

Tiny
HKATEAM
  • MEMBER
  • 1995 CHEVROLET CAPRICE
  • V8
  • 2WD
  • AUTOMATIC
  • 169,000 MILES
The car starts on the first crank then stalls. Then the car turns over great but will not fire off, when it does it fires like the little engine that could. A little, then a little more, then a little more then it runs.

After engine starts it has a bad hesitation until the engine is warm.

This happens more often than not when car has not been run for a while. (5 or 6 hous)
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Thursday, February 19th, 2009 AT 11:16 AM

5 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
When it finally starts, are you getting black smoke from the exhaust? Also, is the check engine light on?
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Monday, March 2nd, 2009 AT 10:37 AM
Tiny
HKATEAM
  • MEMBER
Yes, there is black smoke and the check engine light is on and stays on.
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Monday, March 2nd, 2009 AT 11:16 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
The black smoke indicated the engine is getting too much gas and not enough air. A few sensors could cause this. If the check engine light is on, take the car to a nationally recognized parts store (auto zone.) And have them scan the computer. Most will do it for free, and then we'll know exactly what is causing the problem.

Let me know what you find.

Joe
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Monday, March 2nd, 2009 AT 1:50 PM
Tiny
HKATEAM
  • MEMBER
Well I couldn't get it to read on a scanner but I did find a minor problem. I found that the intake manifold was leaking oil in the back all over the top of the transmission. So I changed the intake gasket. I also pulled the throttle apart while I was doing so to clean it. The idle air control module was trashed. It had a layer of carbon on it an 1/8 inch thick. Put a new one in and also changed the throttle position sensor (just for giggles) Problem seems to be fixed. It starts the first time it truns over now and no more hesitation. The service engine soon light is out and hass been for about 200 miles. ( I waited to reply to see if it would stay out for a bit)

Thanks for the advice it got me motivated to do a complete inspection of the engine. I also found a few bad vac hoses. I still have a slight burnt oil smell but hoping it will go away as all the old oil burns off. I reallly appreciate your help and motivation.
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Thursday, March 5th, 2009 AT 7:54 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi:
You did a lot of work. I glad it is running better for you now. Let me know if you have any questions in the future.

Take care,
Joe
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Thursday, March 5th, 2009 AT 10:31 AM

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