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P0300 Diagnostic Trouble Code Discussion for June 2014

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2006 Land Rover LR3 SE 4.4L MIL Lamp on VIN: SALAE25476
P0300: Mis Fire Multiple. This LR3 will run rich and misfire every time after filling the fuel tank. I will run rough and some times completely die while driving after filling the gas tank. It happens 9 out of 10 times. After running for a little bit (burning fuel off) it will run fine...
June 02, 2014
2007 Saturn Aura XR 3.6L Misfire, MIL Lamp on VIN: 1G8ZV57757
P0300: Engine Misfire Detected. ... install scanner, p0300-misfire, road test & verify engine has a light misfire on #1,3 & 5 cylinder at light throttle only at 1500rpm [...] 2000rpm, check fuel trim & oxygen sensors reading, all within spec, sway cam sensors & solenoids from...
June 05, 2014
2007 Saturn Aura XR 3.6L Misfire, MIL Lamp on VIN: 1G8ZV57757
P0300: Engine Misfire Detected. ... install scanner, p0300-misfire, road test & verify engine has a light misfire on #1,3 & 5 cylinder at light throttle only at 1500rpm [...] 2000rpm, check fuel trim & oxygen sensors reading, all within spec, sway cam sensors & solenoids from...
June 06, 2014
2000 Chevrolet Express 3500 5.7L MIL Lamp on VIN: 1GCHG35R1Y
P0300: Multiple Cylinder Misfire Detected. Van came in with a P0300 and P0307 With a scanner i get a Cly 7 missfire count along with some numbers on Cly 4. The counts will go up at 1000 RPM and above to around 2000 rpm The van runs smooth, Compression test is 150 on cly 7 along with Cly 5 being 150, In...
June 09, 2014
2001 Chevrolet Suburban 1500 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3GNFK16T91
P0300: Multiple Cylinder Misfire Detected. Vehicle came in with engine running rough and it had a bad squeal coming from the left side of the engine. My scanner said that each one of the left bank cylinders have a erratic miss. It sounds like there may be a massive vacuum leak. I checked the PCV hose a...
June 11, 2014
2005 Jaguar X-Type 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: SAJWA51C05
P0300: Random/multiple cylinder misfire detected. Customer complaint of poor running, flashing MIL. Exacerbated by recent car wash. Scanned vehicle and codes listed with this request after clearing pending and recent codes. Misfires for cylinders 2, 4 and 6 were detected. thought about a cam chain issue but t...
June 16, 2014
2008 Audi A6 Quattro 3.2L MIL Lamp on VIN: WAUDH74F88
P0300: Random missfire. HI AUDI TECHS I HAVE A DAYTIME NIGHTMARE HERE 2008 AUDI A6 3.2 QUATTRO.HAD HESITATION EARLY IN THE MORNING AND HAD THE LISTED CODES 00135 LOW FUEL PRESSURE,08854 FUEL PRESSURE REGULATOR VALVE SHORT TO PLUS AND ALL THE OTHER CODES THAT I LISTED ABOVE. I REPLACE...
June 17, 2014
2006 Volkswagen Jetta 2.5 2.5L Poor Idle Quality, Misfire VIN: 3VWRF31K86
P0300: Multiple Cyl misfire 1 2 3 4 5. ... bad crankcase breather (poor idle and misfire) when off idle cars runs good and strong no misfires under load. it is throwing a P2279 air intake system leak. manifold has steady 19" of vac. I tested the crankcase breather of the valve cover by disconne...
June 18, 2014
2006 GMC Envoy SLE 4.2L Hesitation VIN: 1GKDS13586
P0300: Multiple Engine Misfire Detected. Please help.
June 20, 2014
2002 GMC Sierra 2500 SL 6.0L Misfire VIN: 1GTHK23UX2
P0300: Multiple Cylinder Misfire Detected. ... today, the truck will set a code P0300 random Missfire every time it is suppose to lock up the TCC, the engine never misses a beat while this happens. All the scan data look normal, another strange issue is that when I hooked up my ease to try reprogram th...
June 25, 2014
2002 Hyundai Santa Fe 2.4L Misfire VIN: KM8SB12B42
P0300: Multiple Misfire Detected. ... attempt to pass if in second gear when you reach about 5500 rpm the engine suddenly looses power and the check engine illuminates and sets a P0300 in pending codes when you let off of throttle the light goes out and misfire subsides. At first it felt like ...
June 25, 2014
2007 Jaguar XK 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: SAJWA44B97
P0300: Random cyl. Misfire. Month ago, had cel with evap and t-stat codes. Replaced parts as stated above. Customer complaint of misfire / rough idle on start up, for less than 30 seconds then will smooth out. No other driveability issues. Can only duplicate issue after car has been ...
June 27, 2014
2004 Mitsubishi Endeavor LS 3.8L Surge
P0300: Cylinder 1 Misfire Detected. Came in hard hot restart low idle and surge at idle. Oil leak from VC at least. Spark plug holes full both banks. I replaced the VC gaskets and Plug seals cleaned the coils and still have the same running condition, I did throw a MAF at it with no change. Fuel...
June 29, 2014