P0304 Diagnostic Trouble Code Discussion for August 2021
Cylinder 4 Misfire Detected
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| Help Request | Posted | |
| 2015 GMC Sierra 1500 SLE 5.3L Misfire VIN: EGTU2VEC6F P0304: Misfire 4 cyl. Ok please bare with me. Owner gave me this truck and told me we are doing a lifter job.misfiring and tapping. 5.3 gm -standard stuff he thought. I take it apart and notice #4 cylinder intake pushrod was bent and after head removal , i noticed the lifter wa... |
August 10, 2021 | |
| 2012 Hyundai Elantra GLS 1.8L Poor Idle Quality, Surge, Misfire VIN: KMHDH4AE4C P0304: . This Elantra will misfire at idle in gear mostly when the ac is on. I can leave running at idle with ac and it will eventually throw misfire codes. I checked the plugs and coils on cylinder 1 and 4 and they look ok. I cant get it to misfire off idle. I che... |
August 27, 2021 |
