Stuck accelerator

Tiny
ANA8289
  • MEMBER
  • 2002 CHEVROLET SILVERADO
  • V8
  • 2WD
  • AUTOMATIC
  • 181,000 MILES
I HAVE A 2002 CHEVY SILVERADO 1500 WHEN I ACCELERATE IT WILL MAKE IT TO 30 MPH AND THE IT GETS STUCK I HAVE TO PUMP THE GAS AND IT JERKS I HAVE TRIED THE DIAGNOSTICS TEST (NO CODES WERE FOUND) I CHANGED THE AIR FILTER AND CLEANED THE THROTTLE BODY WHAT MIGHT IT BE?
Wednesday, March 9th, 2011 AT 9:05 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
If the transmission is not slipping-Possibilities here 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.
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 it and keep testing.
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Wednesday, March 9th, 2011 AT 11:41 PM

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