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P0300 Diagnostic Trouble Code Discussion for July 2014

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2009 Chevrolet Suburban 1500 LT 5.3L Stall VIN: 1GNFK26389
P0300: engine miss. I have a Suburban with 5.3l that came in on the tow truck died out in the evening before when we had 90 degree weather. The next morning would not restart. I scanned the engine 1st got the codes pulled, reset codes and the car started. I next ran the fuel pres...
July 01, 2014
2004 Chevrolet Silverado 1500 LS 5.3L Poor Idle Quality, Misfire VIN: 2GCEK13T24
P0300: Multiple Cylinder Misfire Detected. ... p0101, p0300, p0171, u1000. it has just a slight miss at idle n gear with the a/c on. checked compression was good, checked fuel pressure was n spec. did some looking around and could only come up with a mass air flow int...
July 02, 2014
1999 Chrysler LHS 3.5L No Start, MIL Lamp on VIN: 2C3HC56G2X
P0300: Multiple Cylinder Misfire Detected. ... need some help on this one. The vehicle was towed into the shop for a no-start, engine will not crank condition. The owner said that he was driving the vehicle and the instrument cluster lost the temperature gauge, tachometer and fuel gauge functions. This...
July 02, 2014
2006 Ford Taurus SE 3.0L MIL Lamp on VIN: 1FAFP53U36
Came back with 2196 2198 codes and misfires. Of course not missing here but customer stated no power shaking ETC. Found Front (bank 2) O2 switching much slower than rear bank 1. Replaced with NGK sensor (denso not available same day here) Switching better bu...
July 02, 2014
2010 Chevrolet Equinox LTZ 3.0L Misfire VIN: 2CNFLGEY1A
P0300: . I have this 2010 Equinox LTZ with a 3.0L Direct Injected Engine. I have a dead cylinder on #2. I have removed the intake plenum and disconnected the fuel injectors (electrically). I have Cylinder #2 fuel injector sticking open. I have eliminated everything bes...
July 07, 2014
2000 Volkswagen Jetta GLX 2.8L Misfire VIN: 3VWTE29M5Y
P0300: missfire. This little ole vw misses always but we really can't tell which cylinders are constant because our generic scanner doesn't have a misfire counter, but my concern is an oil pressure issue because it has a lot of rattling in the top end, sounds like a lifter rat...
July 07, 2014
2012 Ford F-150 FX4 5.0L Misfire, MIL Lamp on VIN: 1FTFW1EFXC
P0300: random misfire. Good morning my fellow iatn technitions i have one that has become a bit of a headache i installed a brand new engine from dalmer powertrain inc. They said this engine was brand new from ford came with intake and all the covers supplied with oil we installed t...
July 08, 2014
2013 Cadillac ATS 2.0L Misfire VIN: 1G6AC5SX8D
I have a stupid questin. This cute car has misfire problem. I performed leak down test and found cylinder 4 70% leaking. Please let me know whether I can replaced the piston in vehicle or not. Should I remove the engine to replace the piston and connecting rod...
July 09, 2014
2004 Nissan Murano SL 3.5L Misfire, MIL Lamp on VIN: JN8AZ08WX4
P0300: Multiple Misfire Detected. This car has multiple misfire, on three cylinders to be exact, 1,2,4 has no actions. I did check ignition on the front cylinder, all all have spark, check injector plus that's also fine, I also checked compression they came in at 130 psi across the front ones,...
July 09, 2014
2003 Toyota Camry LE 3.0L Hesitation, Misfire, MIL Lamp on VIN: 4T1BF32K43
P0300: Multiple Cylinder Misfire Detected. ... hesitation with no consistency. When it happens the SES light will turn on and flash for a short time. We have been chasing this problem for the last year but in the past it was very intermittent and we also had a P0305 along with the P0300. After replacin...
July 09, 2014
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Surge, Misfire, MIL Lamp on, fishbite/shudder VIN: 2GCEK19R5W
P0300: Multiple Cylinder Misfire Detected. Hello everyone, i have received this truck after 3 other shops have thrown many parts at it. The spyder has been replaced twice, a full tune up, a new distributor, the trans valve body has been reconditioned for tc shudder. When the tc locks up you get a sligh...
July 10, 2014
2005 Chevrolet Express 2500 4.8L Misfire VIN: 1GCGG25VX5
P0300: Multiple Cylinder Misfire Detected. No. 6 misfire count is approx 70 on scanner. This is coil near plug set up. Have swapped coil, wire and plug with no. 8 and have also replaced injector with no change. done compression test on 8 and 6 . Both read 125psi. Have hooked up injector noid to harness...
July 10, 2014
2004 Chevrolet Tahoe LS 5.3L MIL Lamp on VIN: 1GNEK13Z94
P0300: Multiple Cylinder Misfire Detected. I have long term fuel trims that climb to 23-25 rapidly even right after a reset. These fuel trims stay there at all rpm's and load ranges. I'm thinking I have a logic problem in the PCM Fuel tests 10% alcohol and gravity test is normal. PCM data pid reads 10%...
July 11, 2014
2000 Chevrolet Blazer LS 4.3L Poor Idle Quality, Misfire, MIL Lamp on
P0300: Multiple Cylinder Misfire Detected. This vehicle has a P0300 code, I have replaced the Spider assembly, Ignition wires, cap and rotor, spark plug and miss fire returns. Fuel pressure and all systems seem normal. Idles very rough and smooths out a little when accelerated.
July 13, 2014
2002 Chevrolet Tahoe LS 5.3L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNEK13Z72
P0300: Multiple Cylinder Misfire Detected. Injectors are not at fault.This is a mechanical problem.Valve springs are not broken and valve travel is normal.Compression readings as follows:cyl1-dry 130psi wet 160psi 75psi running. cyl2-dry 125psi 145psi wet 75 running. cyl3-[...] 210psi wet [...]. cyl4-[...
July 14, 2014
2009 Toyota Camry XLE 2.4L Misfire, MIL Lamp on VIN: 4T1BE46K39
P0300: random misfire detected. ... to repair valve steam seals[burning oil].Vehicle did not have any problem before repair.We now have code p0300 random cyl. misfire,it feels like tigh valves,all cylinders are affected.This is not a dead miss.cranking comp.150 all across.Running comp.90psi ...
July 15, 2014
2001 GMC Sierra 1500 SL 4.3L Hesitation, MIL Lamp on VIN: 1GTEC14W41
P0300: Multiple Cylinder Misfire Detected. vehicle came in with lack of power and missing with miss fire code mas air flow at idle 7.91 g/s 2.05 volts ST b1-50 b2 0.8 LT b1 -9.4 b2 10.2 intermitten flashing service engine light
July 22, 2014
2007 Pontiac Solstice GXP 2.0L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1G2MG35XX7
P0300: Random Misfire Detected. Vehicle came in with a complaint of a check engine light on , smoke out the tailpipe, backfires. after pulling codes ( please see above list )plus p0420,po833,and p2096 codes also found car was low of oil and the turbo was leaking oil as well as oil in the int...
July 23, 2014
2003 Jeep Liberty Limited 3.7L Misfire, MIL Lamp on VIN: 1J4GL58K33
P0300: Multiple Misfire Detected. I have a 2003 Liberty 3.7 4x4 Symptoms are: 1) Random multiple missfires (On missfire counter)and CEL 2) Left bank goes to rich, Both Symptoms happen at 1500-or higher RPM's We have codes for random cyl miss fires, CEL comes on, missfire counter shows numerou...
July 26, 2014
1999 Lexus ES300 3.0L Hesitation, Misfire VIN: JT8BF28G0X
P0300: Multiple Cylinder Misfire Detected. ... comes with P1310 and random missfire code P0300. The P0300 comes and go with the P1310., but the p1310 might or not cause missfire issues... It's intermittent and comes and goes... The car can be driven all day with no is...
July 28, 2014
2006 Lotus Elise 1.8L Misfire VIN: SCCPC11166
... has the standard Toyota Celica GTS 2ZZ-GE engine but this car has a ForcedFed turbo kit. Owner said it has a bad cylinder and we found #3 was down to 60 psi compression. Took the head off and replaced #3 piston and rings which were damaged, put everything ...
July 28, 2014
2007 Pontiac Solstice GXP 2.0L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1G2MG35XX7
P0300: Random Misfire Detected. Vehicle came in with a complaint of a check engine light on , smoke out the tailpipe, backfires. after pulling codes ( please see above list )plus p0420,po833,and p2096 codes also found car was low of oil and the turbo was leaking oil as well as oil in the int...
July 28, 2014
2007 Chevrolet Silverado 1500 Classic LT 4.8L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GCEK19V57
P0300: Multiple Engine Misfire Detected. ... quality input. This work truck {waste Management} came in with no power running very rich with only a code P0300. Fuel pressure is correct, o2's are switching rich/lean on the scanner. we removed o2's to check for exhaust restrictions and it made no differ...
July 29, 2014
2007 Hummer H2 6.0L Poor Idle Quality VIN: 5GRGN23U97
P0300: Multiple Cylinder Misfire Detected. ... suspension work and a check engine light. Retrieved P0101 MAF circuit and Cat codes for both banks. First of all the vehicle has an aftermarket K and N style filter, exhaust headers, and aftermarket exhaust from engine back including 2 very small aftermark...
July 29, 2014