1999 Oldsmobile LSS Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1999 Oldsmobile LSS

1999 Oldsmobile LSS Problems

Check Engine Light Due to Ignition Related Failures

Failure of the crankshaft position sensor, ignition control module, or PCM may cause the Check Engine Light to illuminate.

Engine Runs Lean Due to Vacuum Leak in EGR Tube

The EGR tube may develop an engine vacuum leak causing the engine to run lean. The Check Engine Light may or may not illuminate.

Transmission Pressure Control Solenoid Failure May Cause Erratic Shifting

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid.

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