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P0300 Diagnostic Trouble Code Discussion for October 2017

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
1999 Nissan Pathfinder LE 3.3L Misfire VIN: JN8AR05Y4X
P0300: Multiple Misfire Detected. Thanks in advance. Have missfires on cyl's 2 & 3, while testing found no injector drive on thouse 2 cyl's. Load tested the ground wire all way back to ecm it's ok. No signal from ecm. Ok my question... Is the cmp able to control each lung or is that contol...
October 10, 2017
1999 Nissan Pathfinder LE 3.3L Misfire VIN: JN8AR05Y4X
P0300: Multiple Misfire Detected. Thanks in advance. Have missfires on cyl's 2 & 3, while testing found no injector drive on thouse 2 cyl's. Load tested the ground wire all way back to ecm it's ok. No signal from ecm. Ok my question... Is the cmp able to control each lung or is that contol...
October 11, 2017
2003 Chevrolet Silverado 2500 6.0L No Start, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GCHK23U43
P0300: Multiple Cylinder Misfire Detected. This truck belongs to my new young tech. It will start and idle ok and even drive for a few minutes but once its hot it stalls and has severe misfires under load and will barely move. If you can get is started it idles ok in park but will stall in reverse usua...
October 14, 2017
2003 Dodge Ram 1500 Laramie 5.7L Misfire VIN: 1D7HU18D23
P0300: Multi misfire. Misfire p0300 needed full tune up,before and after when starting feels like timing is advanced hard crank, was advanced.i used a scope cam and crnk i dont know if the timing is off ,have no wave form in iatn on hemi 2003. Any one can send me a wave form on thi...
October 15, 2017
2003 Dodge Ram 1500 Laramie 5.7L Misfire VIN: 1D7HU18D23
P0300: Multi misfire. Misfire p0300 needed full tune up,before and after when starting feels like timing is advanced hard crank, was advanced.i used a scope cam and crnk i dont know if the timing is off ,have no wave form in iatn on hemi 2003. Any one can send me a wave form on thi...
October 16, 2017
2005 Acura TL 3.2L Misfire VIN: 19UUA66265
P0300: Random Misfire Detected. ... 3200rpm to 4000rpm with light to mid throttle, it will bog and check engine light will flash, main codes p0305,p0306 and random p0300, all ignition coils, spark plugs, fuel injectors, have been replaced, a valve adjustment was done. We have checked for res...
October 17, 2017
1999 Ford Ranger XL 3.0L Excessive Emissions, Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1FTZR15V2X
P0300: Multiple cylinder misfire. Hard to start, starts and stalls immediately. Short term trims stick at 45% always. O2 sensors show very lean running always. Will start and run very poorly and very rich if throttle is feathered and held open . Power and grounds to O2 sensors all good. B1 sen...
October 17, 2017
2005 Acura TL 3.2L Misfire VIN: 19UUA66265
P0300: Random Misfire Detected. ... mid throttle, it will bog and check engine light will flash, main codes p0305,p0306 and random p0300, all ignition coils, spark plugs, fuel injectors, have been replaced, a valve adjustment was done. We have checked for res...
October 18, 2017
2000 Chevrolet Malibu 3.1L Misfire VIN: 1G1ND52J3Y
P0300: Multiple Cylinder Misfire Detected. The engine runs rough (misfire) at idle. Using the snap-on scanner, the #1 cylinder shows to be misfiring at idle. When I raise the engine rpm up, the misfire goes away. I performed a compression test and running compression test on #1 and #4 cylinders. 200 ps...
October 18, 2017
2008 Chevrolet Suburban 1500 LTZ 5.3L Misfire, MIL Lamp on, No misfires felt VIN: 3GNFK16368
P0300: Multiple Cylinder Misfire. As stated in the repair history, the engine was replaced due to mileage with only a PO304 misfire code set due to the collapsed DOD lifter. A Jasper reman engine was installed with new GM cam and crank sensors along with new plugs. The oil pan, timing cover an...
October 19, 2017
2008 Chevrolet Suburban 1500 LTZ 5.3L Misfire, MIL Lamp on, No misfires felt VIN: 3GNFK16368
P0300: Multiple Cylinder Misfire. As stated in the repair history, the engine was replaced due to mileage with only a PO304 misfire code set due to the collapsed DOD lifter. A Jasper reman engine was installed with new GM cam and crank sensors along with new plugs. The oil pan, timing cover an...
October 20, 2017
2008 Chevrolet Suburban 1500 LTZ 5.3L Misfire, MIL Lamp on, No misfires felt VIN: 3GNFK16368
P0300: Multiple Cylinder Misfire. As stated in the repair history, the engine was replaced due to mileage with only a PO304 misfire code set due to the collapsed DOD lifter. A Jasper reman engine was installed with new GM cam and crank sensors along with new plugs. The oil pan, timing cover an...
October 20, 2017
2008 Chevrolet Suburban 1500 LTZ 5.3L Misfire, MIL Lamp on, No misfires felt VIN: 3GNFK16368
P0300: Multiple Cylinder Misfire. As stated in the repair history, the engine was replaced due to mileage with only a PO304 misfire code set due to the collapsed DOD lifter. A Jasper reman engine was installed with new GM cam and crank sensors along with new plugs. The oil pan, timing cover an...
October 20, 2017
2006 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality, MIL Lamp on, long term fuel trims VIN: 1FMEU74E86
P0300: Multi missfire. This vehicle came from several other shops. Start vehicle and after 2-3 minutes of running, idle starts to get rough and fuel trims climb to 28 on both banks. Runs great off idle. With both banks compression being good and equal, i have hard time believing tim...
October 25, 2017
2009 Volkswagen Tiguan SE 2.0L Hesitation, Surge, Misfire, MIL Lamp on VIN: WVGBV75N49
P0300: Random multiple cylinder missfire. Vehicle runs lousy when cold, misfires , seems to backfire through intake or pop sound on acceleration. Smoke test system for vacuum leaks none present. Had replaced ignition coils,and plugs, fuel pressure with scan tool is spot on. When car is warmed up after...
October 25, 2017
2006 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality, MIL Lamp on, long term fuel trims VIN: 1FMEU74E86
P0300: Multi missfire. This vehicle came from several other shops. Start vehicle and after 2-3 minutes of running, idle starts to get rough and fuel trims climb to 28 on both banks. Runs great off idle. With both banks compression being good and equal, i have hard time believing tim...
October 26, 2017
2004 GMC Savana 3500 6.0L Poor Idle Quality, Cuts out, Misfire VIN: 1GDHG31U34
P0300: Multiple Cylinder Misfire Detected. ... intermittent hesitation and or cut out. Vehicle has code P0300, but "Check Engine" light isn't on. Misfire data shows multiple misfires on right bank, with cylinder 6 being the worst. I swapped the coil and wire with another cylinder and still had ...
October 26, 2017
2008 Jeep Compass Sport 2.4L Excessive Emissions, Misfire, MIL Lamp on VIN: 1J8FFF7W18
P0300: testing and results. ... odor, like a catalyzer burn, the mil light is on, when I press the accel. Pedal, the light is blinking, I change a set of injectors, but the problem continues, p0300 is always present, but the engine idle is ok, I make a power balance, all cylinders are wo...
October 27, 2017
2004 GMC Savana 3500 6.0L Poor Idle Quality, Cuts out, Misfire VIN: 1GDHG31U34
P0300: Multiple Cylinder Misfire Detected. ... intermittent hesitation and or cut out. Vehicle has code P0300, but "Check Engine" light isn't on. Misfire data shows multiple misfires on right bank, with cylinder 6 being the worst. I swapped the coil and wire with another cylinder and still had ...
October 28, 2017