1995 Chevy Suburban Hesitates and lurches

Avatar
CTBIRCHEM
  • MEMBER
  • 1 POST
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.
Jul 25, 2010 at 7:22 AM
Avatar
RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 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.
Jul 25, 2010 at 7:30 AM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Frequently Asked Problems for This Vehicle