1999 Cadillac Catera gas smell

1999 CADILLAC CATERA
13,500 MILES • 6 CYL • 2WD • AUTOMATIC
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HUFFINER
  • MEMBER
  • 1 POST
dEAR Sir
my car smell like gas. I have had a new fuel pump put on. If the car is running and standing still, the fumes are really bad. What could it be
Sep 8, 2009 at 12:27 PM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Running rich:

Possible causes include a bad O2 sensor, excessive fuel pressure (bad fuel pressure regulator or plugged return line), leaky fuel injectors, dirty air filter or restricted air inlet, or a defective coolant sensor that prevents the engine management system from going into closed loop mode.
Sep 8, 2009 at 2:06 PM
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