2000 Blazer missing with heavy acceleration

Tiny
LEVICGARRETT
  • MEMBER
  • 2000 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 125,000 MILES
I have a 2000 chevrolet s10 blazer 2 dr 4wd vortec 4.3; vehicle is missing/stalling with heavy acceleration. Noticed battery light come on momentarily when this happens. Certain it is not fuel related, as I just replaced the fuel pump/filter recently. Also vehicle has no cat. No problem at idle or revving up engine while in park or neutral. Any ideas?
Tuesday, April 5th, 2011 AT 5:36 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 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.
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
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Tuesday, April 5th, 2011 AT 7:30 PM

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