Diagnostic Aids

Check for the following when distributor rotor does not rotate while engine is cranking:

• A broken distributor drive shaft.
• A worn distributor drive gear or camshaft timing chain and gears.

An intermittent may be caused by any of the following conditions:

• A poor connection.
• Rubbed through wire insulation.
• A broken wire inside insulation.

Thoroughly inspect any circuitry that is suspected of causing intermittent complaint.