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94 Chevrolet Blazer

Tiny
KAIDSA
  • MEMBER
  • 1994 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • MANUAL
  • 150,000 MILES
The engine will stop if I step on the gas to fast, and its no power left when I accelerate. I have to go very easy on the gas or else I feel it would drown. I had a diagnose test and then code 44 flash in the engine light [oxygen sens. Lean]. Not long ago a guy took a test and he said the temp sensor was the problem, but that code did not occur this time. Is it the same if I take the test with cold or warm engine? Whats the best thing to do and where should I start? Buy some new sensors?
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Tuesday, February 22nd, 2011 AT 10:24 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, February 22nd, 2011 AT 11:00 PM

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