Cherokee 2WD L6-242 4.0L VIN M FI (1987)
Idle Speed: By Symptom
Technical Service Bulletin # 45E414
Date: 870901
Engine - Intermittent No Start/Idle Flare
87AMCjeep04
1987 CHEROKEE/ WAGONEER with 4.0L ENGINE
SEPTEMBER, 1987
ENGINE
Attention: Workshop, Parts Department
INTERMITTENT NO START/IDLE FLARE
Some 1987 Cherokee/Wagoneer vehicles with 4.0L engines may exhibit an intermittent fast idle. When diagnosing a vehicle with this condition, perform
the following procedure completely.
Procedure
Perform a vehicle test using the M.S. 1700 Tester. If a fault is found, refer to the M.S. 1700 Manual and correct the problem. If a fault is not found or the
condition still exists after correcting a fault, proceed with the following procedure.
NOTE:
Replace any part or repair any condition that does not operate as specified.
1.
Check the area around the accelerator pedal for anything (such as the floor mat)
(1)
interfering with correct pedal operation. Repair as necessary.
2.
Disconnect the battery negative cable.