1993 Pontiac Firebird ignition

1993 PONTIAC FIREBIRD
120,000 MILES • 6 CYL • 2WD • AUTOMATIC
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FIREBIRD1965
  • MEMBER
  • 1 POST
I have just replaced the coil packs,sparkplugs,and plug wires my car runs much better until it warms up to about 170degrees and then it wont even hardly idle.what could it be?
Nov 22, 2009 at 5:03 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Clean out the idle air control valve, and test the TPS/MAP sensors
Nov 22, 2009 at 7:00 PM
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