WILL NOT STAY RUNNING

1998 PONTIAC FIREBIRD
193,000 MILES
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SMCQUOWN823
  • MEMBER
  • 2 POSTS
I HAVE TESTED PLUGS AND GAP, WIRES, INJECTORS, TPS AND IAC. EVERYTHING IS WITHIN SPEC, CAR WILL NOT STAY RUNNING. IDLE IS ROUGH, STEPPING ON THE GAS NO INCREASE IN RPM. ANY SUGGESTIONS?
Nov 13, 2011 at 10:54 PM
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MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
have you run a diagnostic test? checked fuel pressure and flow? vacuum leaks?
Nov 13, 2011 at 11:46 PM
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SMCQUOWN823
  • MEMBER
  • 2 POSTS
HAVE TRYED DIANOSTIC CHECK WILL NOT STAY RUNNING LONG ENOUGH TO COMPLETE. NO CODES PRESENT,PRESSURE IS 24 PSI, NO VACUUM LEAKS.
Nov 14, 2011 at 3:04 AM
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