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P0304 Diagnostic Trouble Code Discussion for March 2019

Cylinder 4 Misfire Detected


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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
2007 Ford Explorer Sport Trac Limited 4.6L Misfire, MIL Lamp on VIN: 1FMEU53857
P0304: Misfire on cylinder 4 bank 1. Vehicle came in for front wheel bearings per customer request (diagnosed at dealer). When vehicle came in, it had check engine light on and a dead misfire on cylinder #4. We installed an ignition coil which we thought took care of misfire. Came back in wit...
March 21, 2019
2007 Hyundai Santa Fe GLS 2.7L Misfire, MIL Lamp on VIN: KM8SG13D47
P0304: Cylinder 4 Misfire Detected. Looked at freeze frame for cyl 4 misfire. Cal load 76.9. rpm 2173 absol throddle 85.1 relative throddle 75.3. commanded throddle 100. iat 69. ect 195.stf bank 1 3.9 bank 2 -1.4. ltft 1 14.8 ltft 7.8. Snap on Ethos scanner latest software. Drove and verifie...
March 29, 2019