1996 Chevy Lumina Engine bogs down

1996 CHEVROLET LUMINA

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Engine Performance problem
1996 Chevy Lumina 6 cyl Front Wheel Drive Automatic

Engine bogs down at 50mph. also when engine is revved
up it starts to surge around 3500 rpm.
3.1 engine. I did have a p0401 code but replaced the
egr valve and seem to fix the problem.

Oct 25, 2010 at 9:45 PM

RASMATAZ

CAR REPAIR CONTRIBUTOR
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.

Oct 25, 2010 at 10:28 PM

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