P0300 Diagnostic Trouble Code Discussion for September 2022
Multiple Misfire Detected
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P0300
| Help Request | Posted | |
| 2007 Mercedes-Benz E350 4Matic 3.5L No Start VIN: WDBUF87X97 P0300: Misfire detected. I removed the air filter housing to access the ignition coils. Removed #1 and #3 coil bolts to lift the coils slightly to listen for spark with the key off. Started engine and heard no spark jumping the gap. Swapped ignition coils between #1 and #4. Now it... |
September 16, 2022 | |
| 2008 Pontiac G6 GT 3.5L Misfire VIN: 1G2ZH57N58 P0300: . Hello all, just looking for some other ideas on this old car. Customer came in with misfire at idle. We replaced sparkplugs due to never having been replaced. They were very worn out. Anyway, still had misfire at idle, cel flashing, but only after it warms... |
September 19, 2022 | |
| 2019 Hyundai Kona Ultimate 1.6L Misfire VIN: KM8K53A51K P0300: random missfire. Car runs very well 99% of the time. has very slight shake at idle 1 % of the time but missfire monitor shows no missfires. codes returned pending after 25 miles of city driving . fuel trims ,power and driveability are all normal. Mode 6 shows total missfir... |
September 23, 2022 | |
| 2019 GMC Sierra 2500 HD 6.0L Poor Idle Quality, Poor Idle Quality VIN: 2GT22NEG6K P0300: random misfire. ... misfire at idle. CEL on with random misfire code P0300. using modis found that the only cylinder with misfire counters was cylinder #6. Plug looked ok but installed a an AC Delco plug anyways. switched #4 and #6 wires but still has misfire on cylinder ... |
September 29, 2022 |
