1985 Chevy Camaro sputters at temp

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LUMAN
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  • 3 POSTS
Engine Performance problem
1985 Chevy Camaro V8 Automatic

1985 Z28 305tpi car passed immisions great then it started sputtering when it gets up to operating temp, before it gets to temp it runs great, the car has high miles on it,I have asked other mechs what could cause this everyone I have asked seems to be stumped by this problem. thanks for your help
Oct 11, 2009 at 4:00 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Get a helper disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs,coil's resistances,distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it
Oct 11, 2009 at 10:00 PM
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LUMAN
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  • 3 POSTS
thank you for the help I will let you all know if this helps with the problem
Oct 12, 2009 at 4:16 AM
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