P0300 Diagnostic Trouble Code Discussion for September 2019
Multiple Misfire Detected
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| Help Request | Posted | |
| 2007 Jeep Liberty Limited 3.7L Poor Idle Quality VIN: 1J4GK58K57 P0300: Multiple Cylinder Misfire. Howdy Y'all! This Liberty was towed in and customer comment won't stay running. Sure enough it doesn't ?? If ya drive with both feet. As long as Rpm is 1500+ the vacuum looks good 18-22 As soon as Rpm falls near 1000 the vacuum nose dives to 10 or nearly 0... |
September 04, 2019 | |
| 1999 Toyota Land Cruiser 4.7L Misfire VIN: JT3HT05J3X P0300: Multiple Cylinder Misfire Detected. Dear members, this Toyota came in for an emission failure- HC at 2500 rpm(california smog testing program 2 speed test). No codes store in pcm on original test, smoke tested for vacuum leaks- passed. At idle and 2500 rpm(no load) several cylinders will hav... |
September 18, 2019 | |
| 2015 Chevrolet Express 2500 LS 6.0L Misfire, MIL Lamp on VIN: 1GCWGFCG8F P0300: Random misfire. Thanks in advance for help on this vehicle, it has low oil pressure, 6 psi at warm idle 30 psi at 2k rpm. It has a intermittent misfire on cylinder #2 at idle,the actual misfire counts are low 4-10.we checked it for a vacumme leak with carp cleaner. We swa... |
September 19, 2019 | |
| 2012 Volkswagen Eos Komfort 2.0L Misfire, MIL Lamp on VIN: WVWBW7AH4C P0300: Random/Multiple misfire. Thanks in advance to this very helpful community. This well kept, dealer-serviced low mileage EOS was brought in with the concerns of an oil leak and a check engine light. The oil leak was an easy fix. The vehicle was serviced at a dealership less than 2,0... |
September 21, 2019 | |
| 2015 Chevrolet Express 2500 LS 6.0L Misfire, MIL Lamp on VIN: 1GCWGFCG8F P0300: Random misfire. Thanks in advance for help on this vehicle, it has low oil pressure, 6 psi at warm idle 30 psi at 2k rpm. It has a intermittent misfire on cylinder #2 at idle,the actual misfire counts are low 4-10.we checked it for a vacumme leak with carp cleaner. We swa... |
September 23, 2019 | |
| 2005 GMC Savana 2500 6.0L Misfire VIN: 1GTGG25U05 P0300: Multiple Cylinder Misfire Detected. Hi folks, we just put in a complete rebuild engine for this van 6.0L. The van overheated, tow to us, barely start and run at a time drop off. We replaced engine, put all new sensor: coolant, camshaft, crankshaft position. Van starts and run fine at idle, b... |
September 23, 2019 | |
| 2008 Mazda 3 Mazdaspeed 2.3L Misfire, MIL Lamp on, hard cold start VIN: JM1BK34M08 P0300: random multiple misfire. ... scanned codes P0300 random misfire. performed visual inspection found charge air pipe off. reconnected pipe and smoke tested the system. verified no leaks found. cleared codes and drove. no codes returned. started vehicle next morning and vehicle had a... |
September 23, 2019 | |
| 2005 GMC Savana 2500 6.0L Misfire VIN: 1GTGG25U05 P0300: Multiple Cylinder Misfire Detected. Hi folks, we just put in a complete rebuild engine for this van 6.0L. The van overheated, tow to us, barely start and run at a time drop off. We replaced engine, put all new sensor: coolant, camshaft, crankshaft position. Van starts and run fine at idle, b... |
September 24, 2019 | |
| 2013 Nissan Altima 2.5L Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: 1N4AL3APXD P0300: random miss. ok hey guys, need some nissan help.. car came in with a stall condition, found it had a bad missfire on cyl 3&4, i started off with the basics, swap coils and plugs but miss did not follow, i did find that when the engine warmed up the miss got much be... |
September 24, 2019 | |
| 2013 Ford Flex Limited 3.5L Misfire VIN: 2FMGK5D84D Attention FORD Gurus! This car sets misfire codes only when driving at Wide Open Throttle above 5000 RPM's. You do not feel a misfire at all. I swapped coil and plug with cylinder 5 and no change in code. I unplugged the alternator to eliminate RFI. Mode 6... |
September 26, 2019 | |
| 2000 Honda Civic EX 1.6L Misfire VIN: 1HGEJ8143Y P0300: Random Misfire Detected. ... purchased this vehicle form someone that was recommended to him by someone else and sold him pretty much junk. This car came in with check engine light on with codes p1399, p0300,p0301,p0302,p0303 & p0304. Found the timing to be right on the money.... |
September 27, 2019 |
