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WHAT WOULD CAUSE MY TRUCK TO SPUTTER WHEN INCREASING SPEED?
1990 GMC SIERRA
IT TAKES OFF AND DRIVES FINE, BUT WHILE DOING BETWEEN 45 AND 55 WHEN TRYING TO INCREASE SPEED IT WILL SPIT AND SPUTTER LIKE ITS NOT GETTING ENOUGH FUEL.
have the same problem?
Sunday, December 18th, 2011 AT 1:24 AM
Could be caused by one of the following below
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Manifold absolute pressure sensor.
Fuel pressure regulator leaking or defective fuel pump.
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.
Sunday, December 18th, 2011 AT 1:35 AM
to post a reply.
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