1997 Chevy Suburban no power

1997 CHEVROLET SUBURBAN
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G W
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  • 2 POSTS
Engine Performance problem
1997 Chevy Suburban V8 Four Wheel Drive Automatic

have replaced fuel pump ,filter,plugs, acts like the timimg doesnt advance when you accelerate.
Feb 23, 2010 at 1:15 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 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 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.
Feb 23, 2010 at 3:19 PM
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