my 86 corvette

1986 CHEVROLET CORVETTE
61,986 MILES • V8 • FWD • AUTOMATIC
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PAINTERSHAUN
  • MEMBER
  • 1 POST
i have an 86 corvette, when accelerating it misses and stumbles, i have replaced the plugs and wires, the fuel filter, ive checked the coil packs, all the fluids are fine the check engine light is no where to be seen its not on. when idling its fine and when you get over 60mph its fine from 0-60 it misses and feels like it has no power. what is wrong?
Jun 29, 2011 at 10:05 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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RASMATAZ
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 75,992 POSTS
Could be one of the following below

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard it and keep testing.
Jun 29, 2011 at 10:09 PM
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