Rick's Free Auto Repair Advice

Posts Tagged: surge at highway speeds

Engine surging Impala

How to fix engine surging Impala Chevrolet Impala 1999-01 may experience¬†Engine surging at highway speed. While this may be an air fuel related problem, it can also be caused by a slipping torque converter clutch. This happens when the torque converter clutch (TCC) is not fully applied. GM refers to this as a slip/stick condition. The TCC is applied with fluid pressure from a solenoid valve in the transmission valve body. The solenoid is pulsed by the PCM. In this particular model, Chevrolet has experienced some electronics failures where the … Read More

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