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P0300 Diagnostic Trouble Code Discussion for September 2016

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2004 Dodge Ram 1500 ST 5.7L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1D7HU18D54
P0300: Random Cylinder Misfire. ... started to miss under load on the highway then stalling till it died. DIAGNOSIS Scanned for codes with Verus, found P0300 and codes for bank 1 and 2 downstream sensors lean Went to watch live data and scanner will not connect while vehicle is running Hook...
September 01, 2016
1999 Ford E-250 Econoline 5.4L Misfire VIN: 1FDNE24L7X
P0300: Misfire. Customer is complaining of misfire at times. Occurs at idle in gear most consistently. Customer says that it misfires under heavy load at times. Found cylinder #5 misfiring the most and cylinder #8 misfiring half as many counts in mode 6. Check fuel pressure a...
September 01, 2016
2004 Ford E-350 Super Duty 6.8L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire VIN: 1FTSS34S04
P0300: Random Misfire Detected. Vehicle came in with CEL illuminated and noticeable rough idle. Spark plugs replaced 200 miles earlier. MAF replaced and broken pcv connection at driver bank valve cover repaired. Fuel psi KOEO 43 and KOER 50-60 fluctuated greatly. Removed fuel injectors and c...
September 01, 2016
2012 Chevrolet Equinox LT 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2GNALDEK7C
P0300: misfire. I have a 2.4L direct injected engine in this 2012 Equinox that has me banging my head against the wall. This is a dealers car so no previous history is known. As you can see before I got involved with this misfiring problem, 2 coils were installed, fuel injec...
September 06, 2016
2008 BMW X3 3.0si 3.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: WBXPC93468
P0300: misfire random. WOW-Please help with this one. I changed the valve cover gasket. Someone said to use 4mm allen on valvetronic motor adjustment when removing it to take some tension off of it. When I put it back I turned both ways to see if it made any difference and did not f...
September 07, 2016
2004 Dodge Ram 1500 ST 5.7L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1D7HU18D54
P0300: Random Cylinder Misfire. ... started to miss under load on the highway then stalling till it died. DIAGNOSIS Scanned for codes with Verus, found P0300 and codes for bank 1 and 2 downstream sensors lean Went to watch live data and scanner will not connect while vehicle is running Hook...
September 07, 2016
1999 Ford E-250 Econoline 5.4L Misfire VIN: 1FDNE24L7X
P0300: Misfire. Customer is complaining of misfire at times. Occurs at idle in gear most consistently. Customer says that it misfires under heavy load at times. Found cylinder #5 misfiring the most and cylinder #8 misfiring half as many counts in mode 6. Check fuel pressure a...
September 08, 2016
2012 Chevrolet Equinox LT 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2GNALDEK7C
P0300: misfire. I have a 2.4L direct injected engine in this 2012 Equinox that has me banging my head against the wall. This is a dealers car so no previous history is known. As you can see before I got involved with this misfiring problem, 2 coils were installed, fuel injec...
September 09, 2016
2008 BMW X3 3.0si 3.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: WBXPC93468
P0300: misfire random. WOW-Please help with this one. I changed the valve cover gasket. Someone said to use 4mm allen on valvetronic motor adjustment when removing it to take some tension off of it. When I put it back I turned both ways to see if it made any difference and did not f...
September 10, 2016
2005 Chrysler Crossfire SRT-6 3.2L Misfire, MIL Lamp on VIN: 1C3AN79N65
P0300: Multiple Misfire Detected. Hello Everyone, this Crossfire Supercharged, is misfiring on all the cylinders, cold. Once it's hot,it stops. I noticed that the coolant reservoir was empty. No sign of leaks, we trying to find an adapter to the coolant tank. I'm wondering if the coolant is ge...
September 16, 2016
1999 Chevrolet Tahoe LS 5.7L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1GNEK13R1X
P0300: Multiple Cylinder Misfire Detected. In the past 2 years I have had tune this thing up (plugs, wires, cap, rotor and wires A/C Delco), Replaced pcv valve. replaced fuel filter. Came back a few months later. Misfiring again replaced PCV valve, fuel injectors (spider type) and crankshaft position s...
September 23, 2016
2004 Dodge Ram 1500 ST 5.7L Misfire, MIL Lamp on VIN: 1D7HU18D34
P0300: random cylinder misfire. ... running very poorly with multiple codes. upon inspection we found plugs were wiped out and oe wires. so we replaced plugs and wires and it ran great. a week later customer was back with an intermittent misfire on cylinders 1 3 5 7. scasnned it and found re...
September 28, 2016
2013 Honda Fit 1.5L MIL Lamp on VIN: JHMGE8H3XD
P0300: Random misfire. This car is making me crazy. Came in with misfire codes for every cylinder. It's got 76K on it, so we did plugs. Cleared codes, test drive, runs OK, no more light. Customer returned later that day with the light on and same codes. Now it's my nightmare. I have...
September 28, 2016
2003 Volkswagen Jetta GLS 1.8L hard start VIN: 3VWSE69M13
P0300: random misfire. This car starts hard when cold thought i had it fixed with new crank sensor and coolant temp sensor but to no avail. What is happening is when car sits overnight it will try to start but misfire badly, then stall. When cranked again it will sound like no compr...
September 28, 2016