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P1281

Test 1 - 2:






SYMPTOM
P1281-ENGINE IS COLD TOO LONG

WHEN MONITORED
The ignition key on, engine running, Ambient Temperature greater than 20° F; and Vacuum is less than 17 inches Hg.

SET CONDITION
The engine does not warm to 85° C (181° F) while driving for more than 3 minutes and less than 1 hour depending on Engine load and Start up Temperature

POSSIBLE CAUSES
- Engine coolant temp sensor
- Engine cold too long