P0300 Diagnostic Trouble Code Discussion for May 2024
Multiple Misfire Detected
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| Help Request | Posted | |
| 2002 Honda Civic LX 1.7L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1HGES15562 P0300: Multiple misfires yes its actually misfirng. Feels like a low idle misfire. live data pids on global obd2 ignition timing advance for cylinder#1 -7.5 btdc long term fuel trim -2% short term fuel trim -35% 02 sensor bank 1 sensor 1 0.92 v 02 sensor bank 1 sensor 2 0.92 v map voltage about 2.3 at idle all readings are at idle 02 sen... |
May 08, 2024 | |
| 2015 Kia Optima LX 2.4L No Start VIN: KNAGM4A79F P0300: Multiple misfires. A used engine was installed by another shop but they went out of business before completing the job. Upon inheriting this, I completed the last 1 hour to assemble things and expected it to start right up. Crank no start. Checked fuel pressure and delive... |
May 28, 2024 |
