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Symptom Related Diagnostic Procedures

CIRCUIT DESCRIPTION
Conditions that may cause an Engine Cranks but Does Not Run 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 following 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 (ECT) with intake air temperature (IAT) on a completely cool engine. ECT should be within 10°C (50°F) of IAT.

TEST

Steps 1-6:




Steps 7-12: