FixVault

Home › Ford › 2003 › Excursion 7.3 F, RWD › Repair and Diagnosis › Engine Performance › System › Engine Controls - System & Component Testing - 7.3L Diesel › Hard Start/No-Start Diagnostic Procedures › Test 9B: Check Rpm Signal While Cranking › Possible Causes

Possible Causes

Weak battery or starter.
Faulty wire harness connection.
Poor CMP ground connection.
Incorrect CMP sensor to target wheel spacing.
Defective CMP sensor.