2000 Saturn LW1 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2000 Saturn LW1

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2000 Saturn LW1 Problems

A/C off for Engine Protection and Engine Reads Cold

The Saturn LW1 may display the warning message "A/C off for Engine Protection" on the instrument panel. This may be accompanied by illumination of the check engine light and the temperature gauge reading cold at all times. This is a feature of the engine that is activated by the power control module when it detects the engine warming up too slowly. The OBD trouble code P0128 may also be stored. 

The cause is simply a worn out thermostat that stays open at all times, preventing the engine from reaching the proper operating temperature. 

Replacement of the thermostat will correct the issue. 

Check Engine Light Due to Engine Misfire

The ignition module or an ignition coil may fail causing an engine misfire, the Check Engine Light may or may not illuminate. Diagnoses will be required to determine the cause and needed repair.

Check Engine Light Due to Gas Cap Issue

A Loose or worn gas cap may cause Check Engine Light to illuminate.

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2000 Saturn LW1 Questions

My saturns voltage light comes on when I reach 30 mph and turns off at 50 mph. (1 answer)

Belt has been replaced and is not slipping. What could be the problem?

replacing fuel pump (1 answer)

attempting to replace fuel pump is their an access point under rear seat or does tank need to be dropped?

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