1996 Chevy Lumina Engine bogs down

Tiny
CHEVYCHEVELLE
  • MEMBER
  • 1996 CHEVROLET LUMINA
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.
Monday, October 25th, 2010 AT 9:45 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.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.
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Monday, October 25th, 2010 AT 10:28 PM

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