P0300 Diagnostic Trouble Code Discussion for March 2019
Multiple Misfire Detected
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| Help Request | Posted | |
| 2008 GMC Sierra 3500 HD SLE 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GDJK39K58 P0300: Random Misfire. The truck was running flawlessly before the cam roller dropped out on the intake lobe of number 7 cylinder. After the install of the new head, rollers, and push rods number 5 and 8 cylinders have a bad misfire, but not a dead miss. The problem basically di... |
March 01, 2019 | |
| 2015 Chevrolet Equinox LT 2.4L Hesitation, Cuts out, Misfire VIN: 2GNFLFEK5F P0300: Multiple Missfire Det. Once we installed the engine, we took it for a test drive and it drove fine. Vehicle was brought back with a lack of power complaint. The customer stated it was not like that before. We noticed it only misfired during hard acceleration (as if your trying t... |
March 07, 2019 | |
| 2009 Toyota Venza 3.5L Misfire, MIL Lamp on VIN: 4T3BK11AX9 P0300: Random misfire. ... Vehicle now intermittently will miss fire on start-up. Does nothing for a couple months then acts up. May do it once but sometimes will misfire on start up repeatedly. Will then run alright. Code always p0300 & no other codes present. No loose wire... |
March 07, 2019 | |
| 2014 Ford F-450 Super Duty XL 6.8L MIL Lamp on VIN: 1FDUF4HY0E P0300: Random misfire. ... intermittently, lacks power when cel was flashing. Had dtc p0300 and p0309. Plugs were worn (.070-.080" gap). Replaced plugs, boots and #9 coil and cleared codes. During road test, under load on a steep hill 4500 rpm and above, the cel flashes and ... |
March 11, 2019 | |
| 2014 Ford F-450 Super Duty XL 6.8L MIL Lamp on VIN: 1FDUF4HY0E P0300: Random misfire. ... intermittently, lacks power when cel was flashing. Had dtc p0300 and p0309. Plugs were worn (.070-.080" gap). Replaced plugs, boots and #9 coil and cleared codes. During road test, under load on a steep hill 4500 rpm and above, the cel flashes and ... |
March 12, 2019 | |
| 2008 GMC Sierra 3500 HD SLE 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GDJK39K58 P0300: Random Misfire. The truck was running flawlessly before the cam roller dropped out on the intake lobe of number 7 cylinder. After the install of the new head, rollers, and push rods number 5 and 8 cylinders have a bad misfire, but not a dead miss. The problem basically di... |
March 12, 2019 | |
| 2003 Lexus ES300 3.0L Misfire VIN: JTHBF30G93 P0300: Multiple Cylinder Misfire Detected. ... no acceleration, loose power, Misfiring. We started look at scanner fund P0300, P0301,P0303,P0305, told customer vehicle needs a tune up and 3 Ignition coils, after done with replacing pa... |
March 13, 2019 | |
| 2011 Cadillac Escalade 6.2L Misfire, MIL Lamp on, unstable trims VIN: 1GYS4BEF7B P0300: Random Misfire. ... Cadillac that I'm looking for some feedback on. Vehicle came in with a P0300 code with heavy misfire history on cylinder 5 and light misfire history on cylinder 7. A technician at the shop has switched all ignition components and fuel injectors, but mi... |
March 15, 2019 | |
| 2004 Mercedes-Benz S600 5.5L Misfire VIN: WDBNG76J54 P0300: multiple misfires. Hi techs, have this s600 that keeps returning with multiple misfires on first two cylinders both banks. Dealer recommended spark plugs & coil assemblies. We install spark plugs/coils and vehicle returned 2days later with misfire. Found Mercedes TSB for... |
March 15, 2019 | |
| 2011 Cadillac Escalade 6.2L Misfire, MIL Lamp on, unstable trims VIN: 1GYS4BEF7B P0300: Random Misfire. ... Cadillac that I'm looking for some feedback on. Vehicle came in with a P0300 code with heavy misfire history on cylinder 5 and light misfire history on cylinder 7. A technician at the shop has switched all ignition components and fuel injectors, but mi... |
March 18, 2019 | |
| 2014 GMC Sierra 1500 Denali 6.2L Misfire VIN: 3GTU2VEJ4E P0300: Misfire. have misfire cyl.5.checked compression,ok 240 cranking,80 runnung.no vacuum leaks.this cylinder is not a adm dropping cylinder.pulled valve cover,normal valve movement.pulled intake to get at injector and harness.ohmed ok.1.8ohm.tried to check noid but wit... |
March 19, 2019 | |
| 2014 GMC Sierra 1500 Denali 6.2L Misfire VIN: 3GTU2VEJ4E P0300: Misfire. have misfire cyl.5.checked compression,ok 240 cranking,80 runnung.no vacuum leaks.this cylinder is not a adm dropping cylinder.pulled valve cover,normal valve movement.pulled intake to get at injector and harness.ohmed ok.1.8ohm.tried to check noid but wit... |
March 20, 2019 | |
| 2010 Toyota Prius 1.8L Poor Idle Quality VIN: JTDKN3DU0A P0300: random misfire. hi all ,this prius has misfire codes and will usually only occur during warmup.i cannot duplicate it here in the shop.he says 1 every 2 to 3 weeks it will start and idle rough for 20 seconds or so,then clear up.once in awhile during driving he can feel it,... |
March 21, 2019 | |
| 2015 Chevrolet Equinox LT 2.4L Hesitation, Cuts out, Misfire VIN: 2GNFLFEK5F P0300: Multiple Missfire Det. Once we installed the engine, we took it for a test drive and it drove fine. Vehicle was brought back with a lack of power complaint. The customer stated it was not like that before. We noticed it only misfired during hard acceleration (as if your trying t... |
March 22, 2019 | |
| 2007 Hyundai Santa Fe GLS 2.7L Misfire, MIL Lamp on VIN: KM8SG13D47 P0300: Multiple Misfire Detected. Looked at freeze frame for cyl 4 misfire. Cal load 76.9. rpm 2173 absol throddle 85.1 relative throddle 75.3. commanded throddle 100. iat 69. ect 195.stf bank 1 3.9 bank 2 -1.4. ltft 1 14.8 ltft 7.8. Snap on Ethos scanner latest software. Drove and verifie... |
March 29, 2019 |
