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My 86 Corvette

Tiny
PAINTERSHAUN
  • MEMBER
  • 1986 CHEVROLET CORVETTE
  • V8
  • FWD
  • AUTOMATIC
  • 61,986 MILES
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?
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Wednesday, June 29th, 2011 AT 10:05 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 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.
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Wednesday, June 29th, 2011 AT 10:09 PM

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