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Home › Toyota › 1990 › Celica All-Trac › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes › Test 3 Or Code 12, 13, 14 - Ignition & Rpm Signal › Code 12, 13 - Rpm Signal

Code 12, 13 - Rpm Signal

NOTE: Codes 12 and 13 reference signals to EC4 from distributor.
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