Troubleshooting assistant

Pick a problem area, choose the symptom, then follow the remedy links or step-by-step TSRM procedure.

Diagnostic codes

Areas /Rough idle or stalls

Ignition System

Rough idle or stalls

Ignition-system causes for rough idle or stalling.

Possible causes and remedies

Possible cause

Spark plugs faulty

Remedy

Inspect plugs

IG-7

Possible cause

Ignition wiring faulty

Remedy

Inspect wiring

Possible cause

Incorrect ignition timing

Remedy

Reset timing

IG-20

Possible cause

Ignition coil

Remedy

Inspect coil

IG-9 / IG-12

Possible cause

Igniter

Remedy

Inspect igniter

IG-15

Possible cause

Distributor (7M-GE)

Remedy

Inspect distributor

IG-9

Possible cause

Cam position sensor (7M-GTE)

Remedy

Inspect cam position sensor

IG-16

Possible cause

High-tension cords

Remedy

Inspect high-tension cords

IG-6 / IG-11

Troubleshooting assistant

Rough idle or stalls

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