1994 GMC S15 Repair Question
Asked on December 25, 2010
S-s0 bogging
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
Asked by elkinswAnswer
Replied on December 25, 2010
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
