1999 Chevy Blazer spits and sputters

1999 CHEVROLET BLAZER
160,000 MILES • 6 CYL • 4WD • AUTOMATIC
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CGC
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  • 1 POST
i have a 99' chevy blazer v6 4wd and if i don't let it sit and run for a few min after i start it it cuts out and drives really slow for about a min then it's fine. my uncle is a mechanic and he told me he thought it was a fuel filter so i changed it and it hasn't helped. could you give me your oppinion on what wrong with it? thanks
Aug 11, 2010 at 2:10 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Lack of acceleration,chugging,hesitating,bogging,misfiring etc. could be caused by one of the following below:

Start here inspect and test all the items below and comeback with results.

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.
Aug 13, 2010 at 9:58 PM
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