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Ignition Control Module: Testing and Inspection
INSPECTION 1.
Measure the voltage of the ECM terminals as follows.
-
1G (
Ignition control module)
-
2B (Volume air flow sensor)
-
3H (Crankshaft position sensor)
2.
Check the condition of the connector, distributor, ignition coil, and high-tension leads.
3.
If all are normal, but misfire still occurs, replace the distributor.