stuck accelerator

2002 CHEVROLET SILVERADO

181,000 MILES • V8 • 2WD • AUTOMATIC

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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?

Mar 9, 2011 at 9:05 PM

Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.

RASMATAZ

AUTOMOTIVE REPAIR CONTRIBUTOR
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.

Mar 9, 2011 at 11:41 PM