2002 Saturn L200 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2002 Saturn L200
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2002 Saturn L200 ProblemsA/C off for Engine Protection and Engine Reads Cold
The Saturn L200 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.
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
2002 Saturn L200 Questions2002 Saturn L200 turns over but will not fire up. (1 answer)
I've done just about everything except paint it. So frustrated! Changed all 4 spark plugs, fuel filter, crankshaft sensor, and even bought a new gas cap. From my understanding, my compression is low? I think they did some test 4 different times, and said the compression was 30, 30, 30, 3...