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2003 Chevy Monte Carlo engine won't run over 50mph smells g

Tiny
WIPSTER
  • MEMBER
  • 2003 CHEVROLET MONTE CARLO
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 10,900 MILES
We have a 2003 chevy monte carlo ss that has been cutting back and running ragged for a couple of weeks now. My son put one of those diagnostic tools on it and it read misfire on multiple cylinders, he thinks it needs a fuel pump or possibly a catalytic converter (gassy smell in car). My daughter has been driving the car for about a year now, almost always on empty. This car has never had a tune up.
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Wednesday, June 3rd, 2009 AT 12:46 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
I would start with a good tune up. Also, there is a good chance the converter is plugged and it should be checked too. As far as the gas smell, if you have cyenders that are missing, there is a build up of gas in them and you could smell it. Also, this could contribute to a catylatic converter problem. Start with the tune up and check the converter.
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Wednesday, June 10th, 2009 AT 1:02 PM

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