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Symptom Related Diagnostic Procedures

ENGINE CRANKS BUT DOES NOT RUN

CIRCUIT DESCRIPTION
Conditions that may cause a "crank but no start" symptom include a lack of the following items.
^ Fuel in the proper amount, quality, and at the proper time
^ Spark of the proper quality and at the proper time
^ Proper compression

The table will isolate the failed system and lead to the correct diagnostic procedure.

DIAGNOSTIC AIDS
Use a scan tool in order to compare engine coolant temperature with intake air temperature on a completely cool engine. Engine coolant temperature should be within 10°C (50°F) of intake air temperature.

TEST

Steps 1-7:




Steps 8-12: