P0066 OBD II Trouble Code Air Assisted Injector Control Circuit Or Circuit Low

How to quickly diagnose, repair, and info on symptoms and causes of a P0066 code that means there is a low circuit or malfunction with the air assisted injector control system.

Symptoms of P0066 OBD II Trouble Code

Common Causes of P0066 OBD II Trouble Code

Severity of P0066 OBD II Trouble Code