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What is the problem

Tiny
NEEDHELP26
  • MEMBER
  • 1997 CHEVROLET MONTE CARLO
  • 20,000 MILES
I was driving down road doing 50 I hit the gas and nothing happens. I couldnt get it started back up. It sounds like it was out off gas. Put gas in and still nothing. I let it sit for a couple hours went back to get it and it cranked up fine without a problem. Drove it a couple mines and it cut off again tried starting and nothing again. After it sits awhile I can crank it up without a problem. What could this be?
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Tuesday, September 4th, 2012 AT 7:03 PM

7 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Scan for codes and check fuel pressure first
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Tuesday, September 4th, 2012 AT 7:12 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
There are too many possibilities to list and it could be temperature related such as the ECT or it could also be a failing fuel pump that stops after heating up, electrical faults etc.

When it could not be started, you need to check what is missing which I would suggest getting an indea what to look fro from the link..

https://www.2carpros.com/articles/car-cranks-but-wont-start
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Tuesday, September 4th, 2012 AT 7:14 PM
Tiny
NEEDHELP26
  • MEMBER
  • 4 POSTS
I checked for codes. Ineeded a new core which is already replaced. Now I need a 02 sensor. Could that cause these issues
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Tuesday, September 4th, 2012 AT 7:34 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Unless the O2 sensor is shorting out somewhere if not it would not cause non starting. It might cause performance issues though.
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Tuesday, September 4th, 2012 AT 7:53 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Checkfuel pressure like I first said.
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Tuesday, September 4th, 2012 AT 7:55 PM
Tiny
NEEDHELP26
  • MEMBER
  • 4 POSTS
Theres no fuel pressure
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Tuesday, September 4th, 2012 AT 8:22 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
That could mean a failing fuel pump or relay that is intermittently stopping after running for a while. Have the fuel pump tested.
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Tuesday, September 4th, 2012 AT 8:28 PM

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