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P0300 Diagnostic Trouble Code Discussion for August 2012

Multiple Misfire Detected


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Trouble Ticket Help Requests for DTC P0300
Help Request Posted
2005 Acura MDX Touring 3.5L Misfire, MIL Lamp on VIN: 2HNYD18845
P0300: Random Misfire Detected. hey guys got an acura in here with a mystery misfire. codes set on all 6 cylinders. runs great right now. pulled freeze frame and it set at 57*F iat, 140* coolant temp at idle. stft's are -2,-8; ltft's are 0,-2. so to me it sounds like only a cold start proble...
August 01, 2012
1999 Audi A4 1.8L No Start, Hesitation, Stall, Misfire VIN: WAUCB28D0X
head scratcher.. 1999 audi 1.8 turbo.when sits overnight veh wont always start, when car starts runs rough. if throttle is touched car will die and loose compression to all cylinder. wait 5 min and will come back usualy running rough and will smooth out if lef...
August 01, 2012
2008 Chrysler Town & Country (Van) Touring 3.8L Cuts out, Misfire, MIL Lamp on
the van failure in acceleration loaded o deceleration close 2000 rpm ,you might need to reread the crank sensor ?
August 02, 2012
2007 Infiniti FX35 3.5L No Start, Stall VIN: JNRAS08U57
P0300: Multiple Misfire Detected. We have a 2007 FX35 here that has been a little bit of a stumper. The vehicle came in as a crank no start (very randomly it would barely run on a cylinder or two). Tested all the basics and found no compression, timing or fuel pressure problems. Digging into...
August 03, 2012
2004 Dodge Ram 2500 Truck ST 5.7L Surge, MIL Lamp on VIN: 1D7KU28D64
P0300: Multiple Cylinder Misfire. ... throwing a p0300 code it used to be intermit, now seems to be getting worse, fired it up cold the other day and watched misfire data, it shows most of the cylinders misfiring. Now also getting a surge while driving at times, also seems to be lacking some p...
August 05, 2012
2006 Kia Sorento EX 3.5L Misfire, MIL Lamp on VIN: KNDJC73326
P0300: Multiple Misfire Detected. Vehicle first came to shop on the hook, crank bolt loosened and locating pin sheared. Replacecd crank pulley, crank gear, Crank bolt and washer, and timing belt. Seemed to run fine when done, Shipped vehicle, came back 2 days later with misfire at idle on 1, 3...
August 05, 2012
2006 Honda CR-V EX 2.4L Misfire, MIL Lamp on VIN: JHLRD68866
P0300: Random Misfire Detected. ... P0300, P0302, P0303 and P0304 codes. I replaced the plugs. The display parameters all looked OK. The trims were OK. The Lambda figure stayed close to 1.0. The MAP sensor read as expected. It did show up to 12 degrees of knock retard. Adding premium fuel pe...
August 06, 2012
2002 Chrysler PT Cruiser Dream 2.4L Poor Idle Quality, Stall VIN: 3C8FY68B92
P0300: Multiple Cylinder Misfire Detected. poor idle quality stalls at stops runs well off idle ckp/cmp sync(ok),trims at sft -9,fft -21 ect act(ok)@idle(park)(in gear very rough)missfire counter bounces from one cyl to another,fuel press. @ 52 psi replaced coil ckp and physically checked egr vave(ok)w...
August 07, 2012
2007 Dodge Dakota SLT 3.7L Misfire, MIL Lamp on VIN: 1D7HE48K37
P0300: Multiple Misfire Detected. ... not seem to find!Truck drove approx 280 mile trip, would not start next day on first attempt, started on second try but check eng lite flashes and has code p0300. Misfire monitor indicates cylinders 1, 3, 5 are misfiring. Truck starts cold with light rough...
August 07, 2012
2004 Kia Sorento EX 3.5L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: KNDJD733X4
P0300: Multiple Misfire Detected. Help with this kia. Replace sensors and timing belt Still same problem intermittent. Poss ECM?
August 07, 2012
2002 Toyota Camry LE 3.0L Misfire, MIL Lamp on VIN: 4T1BF32K92
P0300: Multiple Cylinder Misfire Detected. Hey guys I've got a good one here. I'm working on a 2002 toyota Camry 3.0. The customer complaint is a flashing check engine light and no power, sounds like a simple problem ... The vehicle has multiple misfire codes for 3, 5 , and 6. when under a load I can a...
August 08, 2012
2003 Chevrolet Silverado 1500 5.3L Misfire, lacks power VIN: 2GCEK19T73
P0300: Multiple Cylinder Misfire Detected. Hello to all and thanks for any help in advanced. This truck was towed into us for what the customer thought was a transmission issue.customer stated he was driving down the interstate running around 70mph when the truck started to loose power and got to a poi...
August 10, 2012
2008 Chrysler Town & Country (Van) Touring 3.8L Cuts out, Misfire, MIL Lamp on
the van failure in acceleration loaded o deceleration close 2000 rpm ,you might need to reread the crank sensor ?
August 10, 2012
2003 Volkswagen Passat GLX 2.8L Misfire, MIL Lamp on VIN: WVWRH63B13
P0300: ramdom misfire. Hello all, This volkswagen sets misfire codes at 5000rpm and above on bank one. No misfires are felt. Scoped cam and crank sensors when acting up and they match known good pattern. Manually applied power and ground to VVT actuators both working and within spec...
August 14, 2012
2005 Chevrolet Express 3500 LS 6.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1GAHG39U15
P0300: Multiple Cylinder Misfire Detected. Van towed in 2 months ago running poorly. Found cracks in manifold. Sprayed with carb cleaner and engine smoothed out. Van was pulled in and out of shop every day running progressively worse. Boss finally gave me ok to fix 2 days ago. Job went well. Also repla...
August 15, 2012
2000 GMC Jimmy Diamond Edition 4.3L Hesitation, Cuts out VIN: 1GKDT13W0Y
P0300: Multiple Cylinder Misfire Detected. Please help, tired of acting like parts changer. per our fuel psi tests all readings too low(58 koeo, 52 koer (idle), 56 psi koer wot. o2 sensors go to zero b1 26 b2 fuel trims way lean when accelerate heavy or wot. unplugged mass air flow although gm/sec rise...
August 16, 2012
2007 Kia Sportage EX 2.7L Stall, Misfire
... 2007 Kia Sportage 2.7 V6,it was dropped off the other night customer complaint was stalling wont run starts up puts it in gear shuts off.Tech retreived a p0300,301,302,303,&305.The car runs fine for us drove approx 10 m...
August 16, 2012
2002 Audi A4 Quattro 3.0L Misfire, MIL Lamp on VIN: WAULT68E52
P0300: random misfire. ... codes p0300, p0301, p0302, p0303, p1624. Freeze frame says misfire code came on at 5000 rpm. So we cleared the code, and drove it. If you drive it under 3000 rpm, no misfire counts. Once...
August 17, 2012
2007 Kia Sportage EX 2.7L Stall, Misfire
... 2007 Kia Sportage 2.7 V6,it was dropped off the other night customer complaint was stalling wont run starts up puts it in gear shuts off.Tech retreived a p0300,301,302,303,&305.The car runs fine for us drove approx 10 m...
August 17, 2012
2000 GMC Jimmy Diamond Edition 4.3L Hesitation, Cuts out VIN: 1GKDT13W0Y
P0300: Multiple Cylinder Misfire Detected. Please help, tired of acting like parts changer. per our fuel psi tests all readings too low(58 koeo, 52 koer (idle), 56 psi koer wot. o2 sensors go to zero b1 26 b2 fuel trims way lean when accelerate heavy or wot. unplugged mass air flow although gm/sec rise...
August 20, 2012
2000 Chevrolet Astro 4.3L Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: 1GCDM19W4Y
P0300: Multiple Cylinder Misfire Detected. ... months ago and it was running good then, 0 CMP retard according to notes. Customer stated that the recent issue happened all of a sudden at a stop light. This van came in with a misfire and P0300, a problem it had before. The first thing I checked was CMP...
August 22, 2012
2001 Cadillac DeVille DTS 4.6L Misfire VIN: 1G6KF57911
P0300: Engine Misfire Detected. Hello Everyone, I am having problems with a Northstar, The car originally came to us for a overheating condition and we found the head gaskets were bad, Replaced gaskets, all the headbolt threads were good! Anyway put it all back in the car and it will start a...
August 23, 2012
2001 Honda Odyssey EX 3.5L Misfire VIN: 2HKRL18631
P0300: Multiple Misfire Detected. ... this post. This vehicle came in a few weeks ago with a check engine light on, scanned for dtcs and found P0302,P0305,P0300, and P1399. The vehicle has an aparent misfire but one that does not set dtcs frequently, it is not a...
August 23, 2012
2001 Mitsubishi Eclipse Spyder GS 2.4L Misfire, MIL Lamp on VIN: 4A3AE45G71
P0300: Random Misfire Detected. ... get out of it's own way. Check Engine light on and ONLY code P0300(random misfire )is present. IF you clear the codes AND turn key off then next time you start #1 and #4 injectors flash for all of 2 seconds and quit working. Driver(pcm grounding) quitting....
August 23, 2012
2007 Chevrolet Trailblazer LT 4.2L Stall VIN: 1GNDS13S87
P0300: Multiple Engine Misfire Detected. Thanks in advance for your help.Customer says when he comes to a hard stop this vehicle will stall then is hard to start. This issue is intermittent and I haven't been able to get it to do it again. Basically I'm looking for a good place to start.The owner sto...
August 27, 2012
2007 Chevrolet Trailblazer LT 4.2L Stall VIN: 1GNDS13S87
P0300: Multiple Engine Misfire Detected. Thanks in advance for your help.Customer says when he comes to a hard stop this vehicle will stall then is hard to start. This issue is intermittent and I haven't been able to get it to do it again. Basically I'm looking for a good place to start.The owner sto...
August 28, 2012
2004 Chrysler Sebring LX 2.4L Misfire VIN: 1C3EL46X04
P0300: Multiple Cylinder Misfire Detected. ... the get go. This vehicle was towed in with no power. Scan for codes and found P0300 random misfire. Found no spark on the #2 and #3 cylinder. We replaced the coil and plug wires and no we have spark. We still have a misfire. I should of checked the injecto...
August 28, 2012
2005 Chevrolet Silverado 1500 LS 5.3L Excessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 2GCEK13T25
P0300: Multiple Cylinder Misfire Detected. The customer was on a road trip and the transmission went out. So he had a reman trans installed, when he got the truck back the check engine light was on. He said that the had never been on, he told the guy at the shop he "scanned" it and they told hi...
August 29, 2012
2001 Lexus RX300 3.0L MIL Lamp on VIN: JTJGF10U31
P0300: Multiple Cylinder Misfire. Vehicle was brought in for MIL. Pulled codes and found the ones that were listed (300, 302, 304 and 306). I noticed the fuel trims are all high until the vehicle warms up and then they all go normal except short term on bank 2 which stays at around 10% and d...
August 29, 2012