Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

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: