Sputtering and stalling

Tiny
DAVIL
  • MEMBER
  • 1995 CHEVROLET VAN
  • V8
  • 2WD
  • AUTOMATIC
  • 287,000 MILES
1995 Chevrolet stalling and losing power at highway speeds
I have replaced plugs and wires, distributor cap, rotor button, fuel filter and fuel pump.
Wednesday, February 9th, 2011 AT 9:40 PM

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.
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, February 9th, 2011 AT 11:21 PM

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