Z31

- With the engine still running. continue to individually water soak the ignition control module, plugs, wires, CKP and CMP sensors.

- Continue to individually water soak any relays (CCRM) associated with fault.

- Look for abrupt changes in PID values or Engine Running conditions.

- Compare the actual values to the Diagnostic Reference Values. Normal Scan Data Values - Includes Pids

- Are any PID values out of range, or drop out and back into range or was there a noticeable engine misfire/stumble?

Yes -- Fault area is identified. If fault occurred while spraying on component, REPLACE part and VERIFY repair. If unable to verify, REINSTALL original part. If fault occurred while spraying the wiring, CHECK each circuit wire for corrosion, bent or loose terminals and wire terminal crimps. SERVICE as necessary. If fault occurred while spraying the vacuum line, SERVICE as necessary, VERIFY repair. If unable to verify any repair, REPEAT test step.

No -- Unable to verify fault. RETURN to Z1 and choose another procedure. Z1 - Intermittent Test Procedure