Symptom Related Diagnostic Procedures
CIRCUIT DESCRIPTIONConditions 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 following table will isolate the failed system and lead to the correct diagnostic procedure.
DIAGNOSTIC AIDS
Using a scan tool, compare engine coolant temperature (ECT) with intake air temperature (IAT) on a completely cool engine. The engine coolant temperature should be within 10°C (50°F) of the intake air temperature.
TEST
