2005 Cadillac SRX car idles rough and wont drive

2005 CADILLAC SRX
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LAO204
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Engine Mechanical problem
2005 Cadillac SRX V8 All Wheel Drive Automatic

the truck suddenly stalled out while i was driving. it starts when it is boosted but then dies after about 30 seconds of running. I replaced the battery and alternator. now i can start it but it idles rough and doesn't drive past 20km/h
Jun 19, 2010 at 1:41 AM
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RASMATAZ
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  • 75,992 POSTS
Inspect and test all the following listed below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking,fuel filter 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.
Jun 20, 2010 at 5:47 AM