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1991 Camaro (V8/305) idles fine but sputters when on gas.

Tiny
ANTHONYSMITHMYERE
  • MEMBER
  • 1991 CHEVROLET CAMARO
  • V8
  • 2WD
  • MANUAL
  • 91 MILES
My 1991 Camaro RS (v8/305) will start up fine but when I push on the gas it will sputter and sound like miss fires along with backfire. I replaced the fuel filter, EGR valve, PVC valve, fuel injectors, distriputor, and button, along with spark plugs and wires any information would be helpful I took it to firestone and had a computer test on it thats how they caught most of the problems
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Sunday, December 19th, 2010 AT 6:03 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be caused by 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.
False air leakage.
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
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Sunday, December 19th, 2010 AT 7:44 AM

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