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P1211,P1212

Read the instructions below then start the fault diagnostic procedure.

Symptom: Idle uneven, slow or fast

P1211 , P1212

Idle air control valve (IAC), output from control module low/high, no continuity or shorting to ground/batt+.


Fault symptom

Idle uneven, slow or fast

Condition

No continuity or shorting to ground/batt+ in one of the circuits to pin 4 or pin 22.