1999 Chevy Blazer sputter on acceleration

1999 CHEVROLET BLAZER
150,977 MILES • 6 CYL • 4WD • AUTOMATIC
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REDDRUMS
  • MEMBER
  • 1 POST
when accelerating(engine cold)engine losses power
until you let off the gas.It also sounds like its backfiring thru the catalitic converter(almost a popping sound
Nov 5, 2010 at 5:40 PM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
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.
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
Nov 6, 2010 at 5:46 AM
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