Operation CHARM: Car repair manuals for everyone.

Hard Start


SYMPTOM DESCRIPTION:

Engine cranks OK, but does not start for a long time. Does eventually start, or may start but immediately stalls.


POSSIBLE CAUSE ACTION



Voltage Output - Check for proper secondary output voltage with spark tester.


Spark plugs - Check for wet plugs, cracks, wear, improper gap, burned electrodes or heavy deposits.


Secondary Wires - Check for bare or shorted wires. Check secondary wire resistance.


Distributor Cap - Check for moisture.


Distributor - Check for excessive shaft wear.


Distributor Pick-up Coil - Check resistance and connections.


Ignition Coil - Check resistance and connections.


PCM - Check for fault codes and proper ignition grounds.


NOTE: If symptom is intermittent check the resistance of Crankshaft position sensor.