P0300 Diagnostic Trouble Code Discussion for April 2004
Multiple Misfire Detected
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| Help Request | Posted | |
| 1999 Chevrolet C1500 LS 5.7L Surge, MIL Lamp on VIN: 1GECEC19RX P0300: Multiple Cylinder Misfire Detected. Truck surges under acceleration. Found following codes stored PO171, PO174, PO300. Verified symptoms. Does surge and has loss of power under acceleration. Monitored left and right oxygen sensors - system does go lean and short term fuel trim will rise to +40% ... |
April 01, 2004 | |
| 1996 Chevrolet Camaro 3.8L Stall, Misfire, MIL Lamp on VIN: 2G1FP32K7T P0300: Multiple Engine Misfire Detected. need some help fellow techs.got car in shop for running rough.# 6 cyl was dead.replace wires and plugs.skip gone.test drove for about 15 miles and ran fine until about back to shop.check engine light came on and started skipping and then almost stopped in its ... |
April 06, 2004 | |
| 1999 Ford F53 chasis 6.8L Misfire VIN: 3FCNF53S8X P0300: Random cylinder misfire. ... vibration in steering wheel under load. Test drive showed that engine was misfiring. Scanner diagnostics showed code p0300. Checked plugs and found them very worn. (equivalent of what we normally see in 70-80k miles. Replaced plugs and test drove with the ... |
April 07, 2004 | |
| 1997 Infiniti J30 3.0L Misfire, MIL Lamp on VIN: JNKAY2104V P0300: Multiple Misfire Detected. hellow techs i was wondering if any one has seen or hurd of this. customers complaint is fuel comming out of the exhaust. which when he dropped the car off there was fuel in the exhaust and there was a missfire. road tested car later on and the missfire was go... |
April 07, 2004 | |
| 1997 Mazda 626 LX 2.5L Misfire, MIL Lamp on VIN: 1YVGE22D1V P0300: Random Misfire Detected. Hey Mazda guys, Help! Car came in with a bad waterpump. No brainer, changed out pump with new unit and while there, changed out timing belt. Absolutely no leaks under car, no seal leaks etc. Actually a fine looking car. Put her together and the battery was dra... |
April 07, 2004 | |
| 2000 Volkswagen Jetta GL 2.0L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 3VWRC29M2Y P0300: random misfire. Hello guys, need some help here.I have this 00 volkswagon jetta that starts up and idles pretty good,whenever you give it more than 1/4 throttle it just boggs.you can hold the throttle to the floor and it never exceeds like 2000 rpm.Sprayng alittle carb clean ... |
April 07, 2004 | |
| 1996 Chevrolet Lumina 3.1L Misfire, MIL Lamp on VIN: 2G1WL52MXT P0300: Multiple Engine Misfire Detected. Need help on where to go with a chevy misfire. This is a freind of the boss, so he doesn't want to hear that I can't find it.Car has had a history of a 300 code. Previous repairs have replaced plugs, wires and all 6 injectors. At idle, you can feel the engine ... |
April 08, 2004 | |
| 1998 Chevrolet Astro 4.3L Poor Idle Quality, Misfire, hard start cold VIN: 1GNDM19W0W P0300: Multiple Cylinder Misfire Detected. vehicle has been tuned,plug wires replaced, fuel pump assy.replaced with factory unit, fuel filter replaced,ignition coil was replaced. Tech- net services has been involved in our repair attempts, also note we had a different astro van in our shop with identic... |
April 08, 2004 | |
| 1998 Dodge Ram 2500 5.9L Poor Idle Quality, Misfire VIN: 387KF22Z9W P0300: multiple cyl misfires. Cyl 8 injector is dumping fuel into the cyl. New injector did not change. Check for spark everything is good ign.wise. Suspect computer, no access to a used computer for testing. What could cause the injector to stick open? |
April 09, 2004 | |
| 1997 Chevrolet Cavalier 2.4L Misfire VIN: 7979851557 P0300: Multiple Engine Misfire Detected. I have changed almost everything that I thought would be the problem but that didn't work. COULD I HAVE MORE HELP ON THIS PLEASE if I'm not doing the right thing! |
April 11, 2004 | |
| 1996 Chevrolet Caprice Classic 4.3L Misfire, MIL Lamp on VIN: 1G1BL52W0T P0300: Multiple Engine Misfire Detected. Hello!!- I would like to thank anybody who can help me fix this car. This problem has been going on for several months and I think it might be cheaper to buy the car from this guy rather than trying to fix it. Car came in in december with mil on. Engine ran ... |
April 12, 2004 | |
| 1996 Chevrolet Lumina 3.1L Misfire, MIL Lamp on VIN: 2G1WL52MXT P0300: Multiple Engine Misfire Detected. Need help on where to go with a chevy misfire. This is a freind of the boss, so he doesn't want to hear that I can't find it.Car has had a history of a 300 code. Previous repairs have replaced plugs, wires and all 6 injectors. At idle, you can feel the engine ... |
April 13, 2004 | |
| 1999 Dodge Grand Caravan SE 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy, BACKFIRES VIN: 2B4GP44R1X P0300: Multiple Cylinder Misfire Detected. feels almost like clogged converter which was just replaced at previous garage, we checked it anyway by removing it and road tested. problem still persists. timing feels like it is retarded, but cannot find reason for computer to do this. |
April 13, 2004 | |
| 1999 Chevrolet Tahoe 5.7L Misfire, MIL Lamp on VIN: 1GNECI3R6X P0300: Multiple Cylinder Misfire Detected. Customer complaint of MIL and misfire under load conditions. With a scanner attached, I tested under loaded conditions and found cyls. #5 & #7 misfire counters winding upward with associated engine roughness. Backing off the throttle brought misfires to ze... |
April 14, 2004 | |
| 2000 Volkswagen Jetta GLS 1.8L Poor Idle Quality, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: VWG2864P70 P0300: Muleiple Misfire. Hi everyone, I am hoping someone can come up with any ideas. This is what I know about this car. Customer brings the car into the shop with drivability problem. Mil light is on. I retreived the five codes listed about, check the freeze frame and saw that the L... |
April 17, 2004 | |
| 1997 Cadillac DeVille 4.6L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6KD54Y7V P0300: Engine Misfire Detected. ... and P1376. I cleared the codes and P0302 almost immediately came back. I swapped plugs between 2 & 4 with no change. I swapped wires also between 2 & 4 with no change. An injector drop test using a Tech 2 showed ... |
April 19, 2004 | |
| 2000 Saturn LS2 3.0L Surge, Cuts out, MIL Lamp on VIN: 1G8JW52R8Y P0300: Random Misfire Detected. I am posting this for my sons car. He was complaining about the engine light and skipping bad. When I drove the car it acted like the rev limmiter was working in gear. At 3000 rpm the car would basicaly shut down till it reaced 2500. Car would run fine except ... |
April 19, 2004 | |
| 1997 Cadillac DeVille 4.6L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6KD54Y7V P0300: Engine Misfire Detected. ... and P1376. I cleared the codes and P0302 almost immediately came back. I swapped plugs between 2 & 4 with no change. I swapped wires also between 2 & 4 with no change. An injector drop test using a Tech 2 showed ... |
April 20, 2004 | |
| 1999 Chevrolet Venture 3.4L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1GNDX03E6X P0300: Multiple Cylinder Misfire Detected. vehicle came in running smooth at idle. under a load or accelleration it misses badly, cuts out and stumbles. scanned for codes as mil light was on, has a po300 multiple misfire code. fuel pressure and volume test okay. flushed fuel sytem with no change. unplu... |
April 21, 2004 | |
| 2001 Isuzu Trooper Limited 3.5L Excessive Emissions, Stall, Misfire P0300: Multiple Cylinder Misfire Detected. Hi guys: This car came with exhaust smoke and misfiring in cylinder 6, and stall in decel. Our firs step was clean throttle body, but we saw too much carbon in egr pipe into intake manifold. Then dissasembly intake manifold and we saw to much fuel in cylinder ... |
April 21, 2004 | |
| 1996 Mazda MPV DX 3.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: SM31V5231T P0300: Multiple Misfire Detected. This vehicle has no power under load and no power when the throttle is snapped wide open under no load (in park). The engine misses so badly when the throttle is snapped open that the rpm's rarely get above 1500. The O2 sensor shows almost full lean when the c... |
April 21, 2004 | |
| 1996 Porsche 911 Carrera 3.6L Misfire VIN: WPOAA2994T P0300: Random multiple cylinder misfire. ... has a P0300 random multiple cylinder misfire, has also specified cylinder 6, 2 and 3. Checked secondary ignition on cylinder 2, appeared ok. Distributor belt is intact. I suspect air mass meter, but I also know that these... |
April 22, 2004 | |
| 1998 Buick Century Custom 3.1L MIL Lamp on VIN: 2G4WS52MOW P0300: Multiple Engine Misfire Detected. wHEN I LOOKED UP CODE PO304 IT ASK ME IF THERE WERE A LARGE NUMBER OF MISFIRES ON CYL.#4 AND THERE WERE 4400 ON THAT CYL. DOES ANYONE KNOW WHY THEY ASK ABOUT THAT PARTICULOR CYL. I HAVE CHECKED THE COIL,WIRE AND PLUG ON THAT CYL AND FOUND NO PROBLEMS, SEEMS TH... |
April 26, 2004 | |
| 1999 Dodge Dakota 3.9L Misfire VIN: 1B7GL22X1X P0300: Multiple Cylinder Misfire Detected. Vehicle came in for state emission inspection with a note on the work order that the engine had a skip. Check engine light was on and the codes indicated that #1 and #3 cylinders had misfired in the past. Performed initial tune-up and still had a problem with ... |
April 28, 2004 | |
| 1996 Oldsmobile 88 Royale 3.8L No Start VIN: 1G3HN52KOT P0300: Engine Misfire Detected. Hi I have an intermintent no start. This is the second time the car has been in our shop. The engine will crank fine, but not start. I could not duplicate the problem the first time. I replaced the fuel pump the first time, due to a bad lab scope waveform. The... |
April 28, 2004 | |
| 1997 GMC C1500 Sierra GT 4.3L Surge, Misfire, MIL Lamp on VIN: 1GTEC14W9V P0300: Multiple Cylinder Misfire Detected. ... numerous times with us and at another location. our first chance to look at this vehicle was for a no start condition. upon initial inspection the spark plugs and ignition wires had been replaced at another location. after testing we found that a new ignit... |
April 30, 2004 |
