JERKING OR LURKING

2004 Chevrolet Astro

Tiny

rthorn78

June, 6, 2011 AT 3:47 PM

I have a 2004 chevy trailblazer and when I have the airconditioning on sometimes on or off it acts like it is bucking or******** forward and backward a little. No trouble codes have come up yet.

FOUND 844 RELATED QUESTIONS

1 Answer

Tiny

rasmataz

August, 6, 2011 AT 1:58 AM

Could be one of the following below -check and test: Oxygen sensors.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position 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.

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