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