Check Engine Light (MIL) Flashes P0300 P0302 P0304 P0306 - keywords coils even fuse
| Subject: | Check Engine Light (MIL) Flashes P0300 P0302 P0304 P0306 |
| Models: | 2008 Cadillac CTS |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
Some customers may comment the engine runs rough and the check engine light/ malfunction indicator light (MIL) flashes. Further investigation will reveal the EVEN COILS 15A fuse is open in the under hood fuse block. One or more of the DTC listed below will be stored. The cause may be the engine wire harness rubbing on the right camshaft cover.
P0300 | Engine Misfire Detected |
P0302 | Cylinder 2 Misfire Detected |
P0304 | Cylinder 4 Misfire Detected |
P0306 | Cylinder 6 Misfire Detected |
Recommendation/Instructions:
Inspect the engine wire harness for rubbing on the right camshaft cover (1). Repair the wiring as necessary.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
