1994 Chevy Silverado hestition

1994 CHEVROLET SILVERADO
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Engine Performance problem
1994 Chevy Silverado V8 Two Wheel Drive 152000 miles

done tune-up replace lot of sensor and extra
Mar 27, 2010 at 10:37 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Inspect and test all the following listed below and get back with some results

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.
Mar 28, 2010 at 1:48 AM
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