98 GMC Safari Repair Question
Asked on February 21, 2011
Loss of power stalling when outside air above 60
98 gmc safari bogs and shuts off when outside air temp gets above 65 degrees cut switch off crank right back up run fine for a few.runs fine cool weather.fuel press 60. new ignition module and egr.
Answer
Replied on March 10, 2011
Lack of acceleration,chugging,hesitating********,bogging,misfiring etc. 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.