s-s0 bogging

1994 GMC S15
168,000 MILES • 6 CYL • 2WD • AUTOMATIC
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ELKINSW
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  • 1 POST
Hello. I have a 1994 GMC Sonoma with a 4.3 tbi engine.It runs rough on idle and wants to stall out.When it will not accelerate with out completely bogging out. I have already eliminated the converter. Suggestions please. Thank You in advance
Dec 25, 2010 at 8:01 PM
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RASMATAZ
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  • 75,992 POSTS
Clean out the idle air control valve and check the rest 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
Dec 25, 2010 at 11:05 PM