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P1021,P1022

Read the instructions below then start the fault diagnostic procedure.

Symptom: The engine runs on only three cylinders, CHECK ENGINE lamp (MIL) on.

P1021 , P1022

Injector 2, output from control module low/high, no continuity or shorting to ground/batt+.


Fault symptom

The engine runs on only three cylinders, CHECK ENGINE lamp (MIL) on.

Condition

No continuity or shorting to ground/B+ in the circuit to pin 34.