OLDS PROBLEMS

1996 OLDSMOBILE CUTLASS
6 CYL • FWD • AUTOMATIC
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CARPENTIER77
  • MEMBER
  • 1 POST
1996 olds cutlass 3.1 hard start will only run with gas pedal to the floor backfires through the throttle body and has a PO300 code
Dec 10, 2010 at 4:42 PM
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JDL
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 16,098 POSTS
Use a gage and check fuel pressure. Not only check correct fuel pressure, check that the pressure doesn't drop like a rock, with everything turned off. Check the vacuum line at the pressure regulator, any gas in the line?
Dec 10, 2010 at 5:25 PM