Symptoms of P045A OBD II Trouble Code
- Bad EGR solenoid
- Excessive resistance in control circuit (PCM controlled ground) due to an
open, chafing or damage to the harness - Poor connection at the EGR solenoid harness (worn or loose pins)
- Water intrusion at the EGR solenoid harness
- Blockage in EGR control solenoid holding solenoid open or closed causing
excessive resistance - Loss of supply voltage to EGR solenoid
- Bad PCM
Common Causes of P045A OBD II Trouble Code
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