OLDS PROBLEMS

Tiny
CARPENTIER77
  • MEMBER
  • 1996 OLDSMOBILE CUTLASS
  • 6 CYL
  • FWD
  • AUTOMATIC
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
Friday, December 10th, 2010 AT 4:42 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 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?
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Friday, December 10th, 2010 AT 5:25 PM

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