Vehicle - Intermittent Operation Diagnosis
90ford23 MARCH 12, 1982Article No. 82-5-7
DIAGNOSTIC PROCEDURE - INTERMITTENT VEHICLE OPERATION
FORD ALL VEHICLES WITH SOILD STATE IGNITION
LINCOLN-MERCURY
ALL VEHICLES WITH SOLID STATE IGNITION
LIGHT TRUCKS
ALL VEHICLES WITH SOLID STATE IGNITION
MEDIUM/HEAVY TRUCKS
ALL VEHICLES WITH SOLID STATE IGNITION
This procedure is to be used for vehicles which quit intermittently at a steady speed but operate normally (starts and runs) when brought in for service.
NOTE: This procedure is intended for diagnosis of intermittent engine stopping complaints but the vehicle operates normally when brought in for service. It will NOT be effective for other types of engine problems such as:
^ stumble, hesitation, stalls while idling or
^ decelerating
^ engine knock, miss, etc.
^ hard starting
^ lack of power
^ poor fuel economy
Figure 4:
See following pages for testing procedures and illustrations (Figure 4).
WARRANTY STATUS: "INFORMATION ONLY"