Question about 1993 Oldsmobile Cutlass Supreme
Several things to check but first is pull each plug and check for fouling. There are about 5 sensors totaling 150.00 or more that can cause this but it turns out I had a bad injector where the plug was fouling. Throttle Position Sensor(TPS), Mass Air Pressure sensor(MAP), and Coolant Temp sensor(CTS) will make the computer think it needs more or less fuel. Also I have discover that this engine has a bad reputation for blowing the intake manifold gasket due to improper torque from factory. Dont know if this is related but this forum has helped me alot.
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Hope it helps.
Posted on Nov 20, 2008
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