Engine Cranks But Does Not Start

For Gasoline and Diesel Engines

Tests 1 - 4:

Tests 5 - 8:

Tests 9 - 12:

Tests 13 - 16:

SYMPTOM
ENGINE CRANKS DOES NOT START

POSSIBLE CAUSES
- No start pre-test
- Secondary indicators present
- 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
- Fuel contamination