MasterTuning Fault code dictionary (DTC)

P0066 — Air Assisted Injector Control Circuit or Circuit Low

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningAir Assisted Injector Control Circuit or Circuit Low.
FamilyPowertrain (P)

Frequently asked questions

What does code P0066 mean?

Air Assisted Injector Control Circuit or Circuit Low. Air Assisted Injector Control Circuit or Circuit Low.

Can I keep driving with code P0066 active?

With caution: limp mode possible, have it checked soon

How do you fix code P0066?

Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.

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Where to get it fixed

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