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)

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Engine Cranks But Does Not Start

Test 1:




Tests 2 - 7:




Tests 8 - 11:




Tests 12 - 15:




Tests 16:





SYMPTOM
*ENGINE CRANKS DOES NOT START

POSSIBLE CAUSES
- No start pre-test
- Secondary indicators
- Powertrain Fuses Open
- Fuel pump inlet strainer plugged
- No CKP sensor signal when cranking engine
- No CMP sensor signal when cranking engine
- Fuel pump ground circuit open
- Fuel pump relay output circuit open
- Fuel pump module
- Kinked/Restricted fuel supply line
- CKP & CMP sensors out of sync
- Fuel pump module
- Fuel filter/pressure regulator (High)
- Fuel pump capacity (volume) out of specs
- Engine mechanical problem