P0300 Diagnostic Trouble Code Discussion for August 2019
Multiple Misfire Detected
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| Help Request | Posted | |
| 2010 Chevrolet Traverse LT 3.6L Poor Idle Quality, Stall, Misfire VIN: 1GNLVGED1A P0300: Random Misfire. First Thank You for your time and input. Customer is passing through. Only had an hour on it today.. No throttle response. It will idle , POORLY, for about 10 minutes and then stall. B1 STFT is running -2 to 3, B2 STFT is maxed at 25. B2 has all misfires. ... |
August 13, 2019 | |
| 2004 GMC Yukon XL 1500 Denali 6.0L Poor Idle Quality, Cuts out, Misfire VIN: 1GKFK66U94 P0300: Multiple Cylinder Misfire Detected. this is beating me bad! customer just bought truck so no prior history, he replaced the plugs, wires and maf with cheepo autozone junk, it ran really poorly and had no power. We found intake leaking and replaced the gasket and we replaced everything he ins... |
August 15, 2019 | |
| 2014 Audi S7 4.0L Misfire, MIL Lamp on VIN: WAUW2BFC5E P0300: multiple cylinder misfire. ... S7 Premium Plus Quattro. I was asked to confirm the Dealer diagnosis of a bad injector on cylinder #5. Iâm sure some of you know that the engine needs to be removed for injector replacement so I wanted to make sure the diagnosis from the dealer was co... |
August 19, 2019 | |
| 2012 Ford F-250 Super Duty Lariat 6.2L MIL Lamp on VIN: 1FT7X2A68C P0300: random missfire. hello, have this f250 6.2 that has three code po 300 po 308 po 302, intermittent miss fire ,test drove it runs good, was going to do #2#8 coils first I no that is very common,if that doed not take car of it I will have to do the spark plugs, I have done so... |
August 19, 2019 | |
| 2014 Audi S7 4.0L Misfire, MIL Lamp on VIN: WAUW2BFC5E P0300: multiple cylinder misfire. ... S7 Premium Plus Quattro. I was asked to confirm the Dealer diagnosis of a bad injector on cylinder #5. I’m sure some of you know that the engine needs to be removed for injector replacement so I wanted to make sure the diagnosis from the dealer was co... |
August 21, 2019 | |
| 2014 Cadillac ATS 2.0L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G6AG5RX2E P0300: Random Misfire. Car came in on a hook, will barely run. Customer said it happened all of a sudden. Afraid to let it run too long it seems so rich. You can smell raw fuel outside the car. Scan data shows cylinder #4 misfiring consistently. Just for the hell of it I switche... |
August 21, 2019 | |
| 2009 Dodge Avenger SXT 2.4L Misfire, MIL Lamp on VIN: 1B3LC56BX9 P0300: misfire. hello all. have this avenger driving me a bit nuts. it was dropped off and I scanned pcm, found codes above. it was also running on 2 cylinders, #2,#3. put in sensor and no more ckp codes. scoped coils and all 4 are firing great with a nice secondary burn ... |
August 21, 2019 | |
| 1997 Chrysler LHS 3.5L Misfire, Misfire VIN: 2C3HC56F3V P0300: Multiple Cylinder Misfire Detected. this vehicle has misfires that come and go on 2,4,6 and temp reading goes to -40 fuel trim to 100% . valve job has been done on cylinder heads new spark plugs, wires, coil, computer, timing belt. will run fine for a day then act up. any suggestions? |
August 23, 2019 | |
| 2013 Chevrolet Silverado 1500 LTZ 6.2L MIL Lamp on VIN: 3GCPKTE2XD P0300: Cylinder misfires. New plugs. Coils are working. Truck ran fine until they stopped at a red light. Then it all went south. No previous engine problems, no check engine light previously either. Well maintained with oil changes. Pulled valve cover, rockers and lift rods visual... |
August 27, 2019 | |
| 2001 Toyota Celica GT 1.8L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: JTDDR32TX1 P0300: Multiple Cylinder Misfire Detected. The car came in running rough scanned and found the codes above.Plugs were gas fouled and replaced them, Had known good AF sensor on shelf with no change ( Also ordered new Denso sensor didn't help, Fuel pressure looks good, Checked grounds on right fender... |
August 27, 2019 | |
| 2010 Chevrolet Silverado 1500 LS 4.8L Misfire, MIL Lamp on VIN: 1GCSKREAXA P0300: Random misfire. Vehicle came in with check engine light on, abs and stability and tpms lights all lit.We checked engine and found inop injector on #6.Replaced injector and now only misses at an idle.Checked all listed above.Swapped coil and wire,no change.No codes for vvt... |
August 28, 2019 | |
| 2000 Mercury Villager Estate 3.3L Misfire VIN: 4M2XV14T0Y P0300: Multiple Misfire Detected. after replacement of parts , electrical smell in cabin area , removed dash and found pcm was the smell , removed cover to the pcm and found 2 resisters burned out , these resisters controls the fuel injectors , my question is if this get replaced what woul... |
August 29, 2019 | |
| 2003 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2GCEK19T63 P0300: Multiple Cylinder Misfire Detected. ... random misfire, and evap issues. I found the vent solenoid was bad, would not close. the wiring tested fine so I replaced it. Looked over the basic engine data quickly and nothing jumped out at me. I did a baseline compression test before I sunk too mu... |
August 30, 2019 |
