P0304 Diagnostic Trouble Code Discussion for June 2018
Cylinder 4 Misfire Detected
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| Help Request | Posted | |
| 2008 Cadillac STS 3.6L no communication VIN: 1G6DK67V08 P0304: cyl 4 misfire detected. Changed oil and filter, noticed check engine light on so I hooked up Snap-on Solus Ultra, read engine codes and then cleared codes. Message on Instrument panel of theft attempted, then several others like check airbag, check suspension, then instrument pan... |
June 04, 2018 | |
| 2013 Toyota Corolla LE 1.8L Misfire VIN: 5YFBU4EE5D P0304: 4 misfire. This Corolla only has 35K miles on and runs well now but obviously had an issue during warm up(though the customer only noticed the light).Freeze data shows the code set @ 1885 RPM,104 F CTS and 15 MPH.The TSB #0107-14 makes me suspect that the valves fail... |
June 07, 2018 | |
| 2009 Honda Accord EX 2.4L Misfire VIN: 1HGCP25759 P0304: misfire 4. First, thank you to everyone who reads this long post and any help you can give. I am lost on this one. This has been going on for awhile. Customer complained of no power at times, intermittent. I installed a battery and clean the grounds. Ran a redundant ... |
June 22, 2018 | |
| 2011 Audi Q5 Premium Plus 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WA1DKAFP9B P0304: Misfire 4 cylinder. Car came from another shop that put plugs in it and asked us to perform walnut blast service because they felt it was all carboned up, we did service and it made no difference. Car has misfire codes on all cylinders and fuel trim codes on all cylinders, no... |
June 25, 2018 | |
| 2011 Audi Q5 Premium Plus 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WA1DKAFP9B P0304: Misfire 4 cylinder. Car came from another shop that put plugs in it and asked us to perform walnut blast service because they felt it was all carboned up, we did service and it made no difference. Car has misfire codes on all cylinders and fuel trim codes on all cylinders, no... |
June 26, 2018 |
