P0300 Diagnostic Trouble Code Discussion for March 2004
Multiple Misfire Detected
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| Help Request | Posted | |
| 2001 Chevrolet Silverado 2500 6.0L Poor Idle Quality, Misfire VIN: 1GCHK29U61 P0300: Multiple Cylinder Misfire Detected. Cyls 2 and 7 missing on the counter, scoped the injectors and the coils all good patterns. Switched coils between 2 and 4, switched injectors between 2 and 6. Miss did not move, Checked for vaccum leaks, and everything else I could think of. It is not missing ... |
March 01, 2004 | |
| 1996 Lexus LS400 4.0L MIL Lamp on, misfire codes VIN: JT8BH22F1T P0300: Multiple Cylinder Misfire Detected. ... smog inspection,check for fault codes P0300,P0302,P0303 all misfire codes. freeze data for p0300 shows temp 195,engine load 15%,fuel trim 3-LT -2-ST ,engine speed 676 rpm,maf 8gpm,no real clues.scope secondary all normal,fuel presure normal,... |
March 01, 2004 | |
| 1998 Chrysler Sebring LX 2.5L Hesitation, Cuts out, Misfire VIN: 3L3EL55H0W P0300: Multiple Cylinder Misfire Detected. I m obviously missing something on this driveability issue and need help. I have cleaned injectors thinging they may be partialy clogged. No change. I feel that the pcm is reacting to some sort of command to retard timing under load as that is the only action ... |
March 02, 2004 | |
| 1997 Kia Sportage 2.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: KNDJB7232V P0300: Random Cylinder Misfire Detected. Vehicle came into shop for regular maint. Customer also claimed vehicle was no start at times (cranked long), loss of power, and doggie. We installed Timing Belt. (Old Timing Belt Was three teeth off) We installed to correct marks. (Maint. Only) Vehicle ran fi... |
March 03, 2004 | |
| 2001 Mitsubishi Mirage ES 1.8L Misfire, MIL Lamp on VIN: JA3AY26CX1 P0300: Random Misfire Detected. Hello fellow technicians, Today a customer of ours brought back a Mitsubishi Mirage with a complaint of a check engine light on, and the engine shaking (misfiring). Here is a little background on the vehicle: She was originally brought in due to a hydralocke... |
March 06, 2004 | |
| 1998 Pontiac Grand Prix GTP 3.8L Misfire, MIL Lamp on VIN: 1G2WP5217W P0300: Multiple Engine Misfire Detected. Vehicle presents with a misfire noticeable on accel, MIL is flashing rapidly and misfire counter is counting in the thousands on cylinder 3. We first replaced all old {and they did look extremely worn}spark plugs with Ac-Delco double platinum. No change. We re... |
March 08, 2004 | |
| 1998 Isuzu Rodeo S 2.2L Misfire, MIL Lamp on VIN: 4S2CK58DXW P0300: Multiple Cylinder Misfire Detected. ... 2.2 engine that is really driving me nuts. The timing belt tensioner bar broke, the timing belt broke and the valves bent. With such high mileage we opted to install a used engine. We replaced the water pump and timing belt on the engine before installatio... |
March 09, 2004 | |
| 1999 Chevrolet Lumina 3.1L Cuts out, Misfire, MIL Lamp on VIN: 2G1WL52M9X P0300: Multiple Engine Misfire Detected. ... detective (said he can make my life miserable if I don't fix his car). Engine has an intermittent miss, MIL comes on and seems to occur when engine is cooler, (91F to 136F ECT, I know but this is Arizona). Detective takes car home so I haven't been able to... |
March 11, 2004 | |
| 2001 Mitsubishi Mirage ES 1.8L Misfire, MIL Lamp on VIN: JA3AY26CX1 P0300: Random Misfire Detected. Hello fellow technicians, Today a customer of ours brought back a Mitsubishi Mirage with a complaint of a check engine light on, and the engine shaking (misfiring). Here is a little background on the vehicle: She was originally brought in due to a hydralocke... |
March 11, 2004 | |
| 1997 Dodge Ram 1500 Laramie 5.9L Misfire, MIL Lamp on VIN: 3B7HF13Z7V P0300: random missfire. ... code p0300. looked at missfire counters high on cyls. 3&5. our fuel pump volume test consists of directing fuel into container and running pump for 1 min. after about 15sec of steady strong fuel flow , fuel becomes aerated, & volume decreases drama... |
March 12, 2004 | |
| 1998 Land Rover Range Rover SE 4.0L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: SALPV1240W P0300: random/multiple misfire all cylinders. customer states "engine power loss while driving at highway speeds. vehicle will not go over 30 m.p.h. and oil pressure light comes on." however i cannot duplicate this problem. after driving for about thirty miles, the oil pressure light comes on inte... |
March 16, 2004 | |
| 1995 Porsche 911 Carrera 3.6L MIL Lamp on VIN: WPOAA2999T P0300: Random missfire detected. Car came in a week ago running rough.We found the air boot closest to the firewall on drivers side split open. At the same time we recorded codes for missfire which we dismissed thinking the air boot was the culprit.Codes were cleared after repairs, then road ... |
March 16, 2004 | |
| 1998 Chevrolet Tahoe 5.7L Misfire, MIL Lamp on VIN: 1GNEK13R3X P0300: Multiple Cylinder Misfire Detected. Hi Techs This problem has being on going and the customer has adapted to the problem. I only occurs under heavy engine load. I did go through the archives and a common comment is that this problem will occur if you dont use a gm dist cap the one I put on this ... |
March 17, 2004 | |
| 1997 Pontiac Sunfire GT 2.4L Poor Idle Quality, Stall, Misfire VIN: 3G2JD12T5V P0300: Multiple Engine Misfire Detected. hi; hope someone can help we got this one in for a no start when it got here it fired up but would not idle well hooked up the scan tool and found multiple cylinder missfire code po300 and number 2 cylinder missing constantly. i have checked the coil towers an... |
March 17, 2004 | |
| 1996 Dodge Neon High Line 2.0L Poor Idle Quality, MIL Lamp on VIN: 1B3ES47C1T P0300: Multiple Cylinder Misfire Detected. ... gremlins in it. We work with a Used Car Lot and this is one of their cars. We installed a used engine. The car had a wrecking yard ECM in it. Before it left us a second wrecking yard ECM was installed to try and take care of the charge light not going out.... |
March 18, 2004 | |
| 1997 Oldsmobile Cutlass Supreme 3.1L Excessive Emissions, Hesitation, Misfire, MIL Lamp on, no MAF on scanner VIN: 1G3WH52MOV P0300: Multiple Engine Misfire Detected. This vehicle came in with a rough idle, lack of power, and C.E.L. for multiple cylinder misfire (po300), misfire counters on snap-on modis scan tool showed cyl. #4 misfires. Swapped spark plug and wire with another cylinder, no change, still #4 misfire. Ran co... |
March 18, 2004 | |
| 1996 Toyota 4Runner SR5 3.4L Misfire, MIL Lamp on VIN: JT3HN86R2T P0300: Multiple Cylinder Misfire Detected. This vehicle was brought in for check engine light with a misfire. Upon inspection. I found the it had four codes. random misfire, misfire cylinders 2,4,&6. Vehicle only has misfire after it had warmed up and at idle. misfire goes away at above 1500 rpm's.... |
March 19, 2004 | |
| 1997 Chevrolet Malibu 3.1L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1G1ND52M7V P0300: Multiple Cylinder Misfire Detected. This car came in with a check engine light and a PO300 misfire code, but it wouldn't act up in the stall. Misfire history showed that #5 and #6 had misfired the most. In the stall I had good spark at all the plugs. All the plugs looked good. The injectors all ... |
March 23, 2004 | |
| 1998 Chevrolet Blazer 4.3L MIL Lamp on VIN: 1GNDT13W5W P0300: Multiple Cylinder Misfire Detected. ... code P0300 - Random Misfire. Computer scan indicates that the CMP Retard runs between -11 & -14 degrees. CMP Retard spec is 0 to -2 degrees. We need to know why this is occuring. Is CMP Retard adjustable on this vehicle and how? Is this a common failur... |
March 23, 2004 | |
| 1997 Chevrolet Monte Carlo Z34 3.4L Poor Idle Quality, Misfire VIN: 2G1WX12XXV P0300: Multiple Engine Misfire Detected. car towed in, no start, inspect for broken timing belt, found belt to be loose and tentioner broken. replaced tensioner, 2 idler and 1 tensioner pulleys, and belt using the special tools to set cams. plugs and wires were replaced at this time also. engine star... |
March 24, 2004 | |
| 1996 Chevrolet Cavalier LS 2.2L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1G1JF5245T P0300: Multiple Engine Misfire Detected. Car came in with a broken rod. The customer declined a rebuilt and requested a used engine. We obtained one from a 96 Cavalier (VIN# [...]) with 80,000 miles. When the car was started for thr first time it idled very rough with black smoke out the tailpipe. We... |
March 25, 2004 | |
| 1995 GMC Jimmy SL 4.3L Excessive Emissions, Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1GKDT13W8S P0300: random missfire multiple cylinder. Hello GM Techs: This Gimmy came in with a rough idle rich condition. The customer just purchased. The MIL on and is hard to start. I have to give it throttle to start and then it idles rough. I have done a minor tune-up and still have the same condition. Am i ... |
March 26, 2004 | |
| 1997 Chevrolet S10 LS 2.2L Excessive Emissions, Poor Idle Quality VIN: 1GCCS1942V P0300: Multiple Engine Misfire Detected. ... push rod on #2 cyl. so we pulled the head to check it. sent to machine shop to check valves and they were fine. we installed new lifters &push rods, we also found gas on top of cylinder. we installed head started it and it idles poorley. we checked ign... |
March 29, 2004 | |
| 2000 Jeep Cherokee Sport 4.0L MIL Lamp on VIN: 1J4FF48531 P0300: Multiple Cylinder Misfire Detected. Jeep has been in sevral times with similar codes. Happens every few weeks until we did the decarbon, then it took almost 2 months to set again. Never able to duplicate problem, customer never complained of it running rough, only that lite comes on. Have seen i... |
March 29, 2004 | |
| 2000 Lincoln LS 3.9L Hesitation, Surge, Cuts out, Misfire VIN: 1INHM87A6Y P0300: random misfire. hi gang, it has been a while since i have needed help, but here goes. vehicle was towed in with a crank, no start complaint. while cranking, it sounded like there was no compression. we pulled the easy to access plugs plugs on the right bank and there was no c... |
March 29, 2004 | |
| 1999 Toyota Avalon XL 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4T1BF18B7X P0300: Multiple Cylinder Misfire Detected. This car belongs to a family member in Chewelah, Wa. We are hoping to help them with some input from the group. They first started to get a random miss when warm only. The missfire has become more prevelant over time. When the car is cold and in open loop the ... |
March 29, 2004 | |
| 1999 Lexus RX300 3.0L Misfire, MIL Lamp on VIN: JT6HF10UXX P0300: Random missfire. As you have read in the info #2 coil was replaced. Problem resolved. Car back with another coil bad,#4. When previous coil ordered it was back ordered and had to come across country from NY, 5 days. I belive this is too be a common problem. Customer and I ne... |
March 30, 2004 |
