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Home >> Jeep >> 2002 >> Grand Cherokee 2WD Laredo V8-4.7L >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> P Code Charts >> P1281

P1281

Test 1:




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"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 cold too long