Symptom Related Diagnostic Procedures
CIRCUIT DESCRIPTIONConditions 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