DEFINITION: Engine cranks fine but does not start immediately.

Check for normal scan tool readings.

Fuel System

Check fuel system and fuel quality.

Idle Air Control (IAC)

Check for carboned-up valve.

Wires

Check for arcing wires.

Engine

Check for mechanical problems - e.g. low compression, sticking lifters, worn valve train.

Intake Manifold

Check for carbon deposits.

Spark Plugs

Check for worn spark plugs.