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1995 Chevy Suburban Hesitates and lurches

Tiny
CTBIRCHEM
  • MEMBER
  • 1995 CHEVROLET SUBURBAN
1995 Chevy Suburban V8 Four Wheel Drive Automatic

When I frist start up my truck if I do not lay on the gas peddle the truck will do this shutter and shut down when I get it going I will start to drive and it will lurch forward and act as if it is not geting fuel and I must pump the gas and lay on it untill it reaches above 35mph. I have replaced the fuel modual and seal for it and am not sure what else it could be. Any help would be greatly appreciated.
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Sunday, July 25th, 2010 AT 2:22 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Possibilities: Inspect and test all the following listed 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.
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 it.
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Sunday, July 25th, 2010 AT 2:30 PM

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