P0300 Diagnostic Trouble Code Discussion for January 2007
Multiple Misfire Detected
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| Help Request | Posted | |
| 1999 Acura TL 3.2L Misfire, MIL Lamp on VIN: 19UUA651XA P0300: Multiple Misfire Detected. Thank you in advance for any help with this one. first came in with #2 and #5 cylinders misfiring. customer picked up car. Cleared codes. Came back for further diagnostic, had misfire codes for 2,3,4,5,6 cylinders. all tests listed done today. It only seems to... |
January 02, 2007 | |
| 1997 Oldsmobile Aurora 4.0L Misfire, MIL Lamp on VIN: 1G3GR62C5V P0300: Multiple Cylinder Misfire Detected. ... this aurora is killing me. customer brought car in running very poorly with check engine light on, testing revealed vacuum leaks at throttle body base, and bad mass air flow sensor. also had ignition misfire on cyls 2,8. (wires). replaced mass air flow and... |
January 02, 2007 | |
| 2001 GMC Sierra 1500 SL 4.8L Poor Idle Quality, Misfire VIN: 2GTEC19V51 P0300: Multiple Cylinder Misfire Detected. This one came in with a rough unstable idle complaint... I checked it when it came in and had a P0171 and P0174 lean codes... sprayed carb cleaner around looking for a vacum leak and noticed my long term seemed to change when I soaked the intake runner so I tr... |
January 03, 2007 | |
| 2001 GMC Yukon XL 1500 SLT 5.3L Misfire VIN: 3GKFK16T81 P0300: Multiple Cylinder Misfire Detected. vehicle came in originally with P0300, P0171, P0174, found open plug wires and 5lbs of backpressure in exhaust, replaced above componenets ran great, now has P0300, only misfires on cold start until you reach about 130 degrees misfire goes away, pressure dropp... |
January 03, 2007 | |
| 2001 GMC Sierra 1500 SL 4.8L Poor Idle Quality, Misfire VIN: 2GTEC19V51 P0300: Multiple Cylinder Misfire Detected. This one came in with a rough unstable idle complaint... I checked it when it came in and had a P0171 and P0174 lean codes... sprayed carb cleaner around looking for a vacum leak and noticed my long term seemed to change when I soaked the intake runner so I tr... |
January 04, 2007 | |
| 1997 Oldsmobile Aurora 4.0L Misfire, MIL Lamp on VIN: 1G3GR62C5V P0300: Multiple Cylinder Misfire Detected. ... this aurora is killing me. customer brought car in running very poorly with check engine light on, testing revealed vacuum leaks at throttle body base, and bad mass air flow sensor. also had ignition misfire on cyls 2,8. (wires). replaced mass air flow and... |
January 04, 2007 | |
| 2000 Chevrolet Astro 4.3L Misfire, MIL Lamp on VIN: 1GNDM19W2Y P0300: Multiple Cylinder Misfire Detected. I have been working on this car for 2 weeks, someone please help!!! This vehicle has a misfire. I can hear fire jumping inside the dist cap. Replaced all parts listed in repair history and there is no difference. Checked position of distributor and it is corre... |
January 05, 2007 | |
| 1999 Lexus RX300 3.0L Excessive Emissions, Misfire, MIL Lamp on VIN: JT6HF10U3X P0300: random multi misfire. Hey all, I have this Lexus RX300 that have been giving me a problem. This vehicle seems to only show problem in Bank 1 with the emission system. Bank 1 LT fuel trim is at 52.3% while bank 2 is pretty normal at 8.5%. Spark plugs been changed and yet still exhib... |
January 05, 2007 | |
| 2002 Mitsubishi Montero Sport ES 3.0L Poor Idle Quality, MIL Lamp on VIN: JA4MT21H02 P0300: Random Misfire Detected. ... another strange problem as i have not yet fixed my earlier help request on the Mitsubishi with tiptronic issue but it appears to be internal and not electrical. This car that i am now working on 8 days came in initially to get oxygen sensors replaced as it... |
January 05, 2007 | |
| 2000 Volkswagen Golf GLS 2.0L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: WVWGA21JXY P0300: random misfire. VW TECHS PLEASE HELP.WHEN THIS CAR IS COLD IT BARELY RUNS IT HAS NO POWER ON ACCEL AND A BAD MISS UNDRIVEABLE .AS IT WARMS UP IT RUNS BETTER AND YOU CAN DRIVE THE CAR WHILE DRIVING IT THE O2 SENSORS READ CONSTINTALY LESS THAN .10 VOLTS i HAVE NO O2 CODES AND G... |
January 05, 2007 | |
| 1996 Chevrolet C2500 Cheyenne 5.7L Misfire, MIL Lamp on VIN: 1GCGC29R2T P0300: Multiple Cylinder Misfire Detected. Hi guys, I need some advice on this Chevrolet truck. It had a new fi unit with intake gaskets about 3 yrs ago. Over the last 2 months it has begun setting codes intermittenly. The only driveability problem is slight roughness at idle in gear only. Codes are P1... |
January 08, 2007 | |
| 1999 Chrysler Sebring JX 2.5L Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 3C3FL45H5X P0300: Multiple Cylinder Misfire Detected. Hi all Sebring JX Conv. About 6 months ago installed new dist. with new cap and rotor, replaced ignition wires and spark plugs. Car had ran fine for that period. Customer saw low oil pressure light come on and rather than check oil just poured in a quart, next... |
January 09, 2007 | |
| 1997 Ford Aerostar 3.0L Misfire, MIL Lamp on VIN: 1FMDA11U7V P0300: randomm misfire. HI Y'ALL !!! I got a crazy Ford here. The mil flashes now when driving, I dont feel ANY MISFIRE) the cam sensor was bad as stated we replaced it and set everything to Cyl #1. I know it wont set any misfire codes without cam sensor signal. NOW the light starts ... |
January 09, 2007 | |
| 2004 Saturn Vue 3.5L MIL Lamp on VIN: 5GZCZ53444 P0300: Cylinder 2 Misfire Detected. ... before.Vehicle comes into shop running fine,extended road testing reveals no particular problems.A Code P0300 is stored in memory and the check engine light stays on, it indicates a missfire on all cylinders 1-6 .All checks out normal,clear the code and se... |
January 09, 2007 | |
| 1996 Chevrolet C1500 5.0L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1GCEC14M8T P0300: Multiple Cylinder Misfire Detected. Replaced all 3 O2 sensors.Plug wires,rotor cap.Light still on idles rough.Light will flash 58 times.Then steady on.Any help would be greatly appreciated. |
January 10, 2007 | |
| 1999 Jeep Grand Cherokee Limited 4.7L Poor Idle Quality, Misfire VIN: 1J4GW68N2X P0300: Multiple Cylinder Misfire Detected. ... one's giving me a good, old-fashioned beating. this came in for poor idle quality/ long cranking times.had p0300 in memory,no current codes.after checking for the usual fuel pump drain back issue,found air cleaner blocked solid w/mouse debris.at idle,in ge... |
January 10, 2007 | |
| 1999 Jeep Grand Cherokee Limited 4.7L Poor Idle Quality, Misfire VIN: 1J4GW68N2X P0300: Multiple Cylinder Misfire Detected. ... one's giving me a good, old-fashioned beating. this came in for poor idle quality/ long cranking times.had p0300 in memory,no current codes.after checking for the usual fuel pump drain back issue,found air cleaner blocked solid w/mouse debris.at idle,in ge... |
January 11, 2007 | |
| 2002 Chevrolet Venture LS 3.4L Surge VIN: 1GNDUO3E32 P0300: Multiple Cylinder Misfire Detected. Hi guys, I've got one here thats kicking my butt. Customer brought vehicle in stating that it failed emmission testing. The first thing I noticed is that someone has removed the check engine light bulb. Vehicle has slight surge at idle. Scanned for codes (see ... |
January 15, 2007 | |
| 2001 Volkswagen Passat GLX 2.8L Misfire, MIL Lamp on VIN: WVWRH63B41 P0300: misfife bank 1. we scanned the ecm and found the codes listed above for misfire. did another adaptive reset and test drove the car light came back on. this time the codes were for misfire on bank 2 cylinder 4,5,6. the car runs great no misfire felt and ignition pattern on sco... |
January 16, 2007 | |
| 1997 Cadillac Catera 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: WO6VR52R8V P0300: Multiple Cylinder Misfire Detected. Hey guys thanks in advanc3 for any info offered on this repair... first of all I would like to know if anyone has any info on the timing belt besides what i have on mitchell or autodata. The mitchell asks for a special tool and I cant get it here in Mexico. So... |
January 17, 2007 | |
| 2001 Chevrolet Silverado 1500 4.3L Misfire, MIL Lamp on VIN: 1GCEC14W31 P0300: Multiple Cylinder Misfire Detected. hello techs, i have a 01 chevy c1500 that came in with a no start. replace plugs, wires cap and rotor, still have a #3 misfire at idle. checked and found leaking injector, so i converted the cpi unit to a mpi unit. still missing. am i overlooking something o... |
January 17, 2007 | |
| 2001 Mazda Millenia 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: JM1TA22111 P0300: Multiple Misfire Detected. ... in with as missfire and code p0300. replaced plugs, wires, cap and rotor. after drive the miss came back. narrowed down to egr. removing the vacuum hose from the egr allows the engine to run smooth again until after drive when again vacuum is not being rel... |
January 18, 2007 | |
| 1999 Nissan Pathfinder XE 3.3L MIL Lamp on VIN: JN8AR07Y6X P0300: Multiple Misfire Detected. ... ,and drives slow never hard acell, i explained about how carbon build up ,cust drove veh and under hard acell ses light came on ,check code found p0300, 1136 ,this veh does not have varible intake timing solenoid? check timing a marks corect .changed spark... |
January 18, 2007 | |
| 2002 Isuzu Trooper Limited 3.5L MIL Lamp on VIN: JACDJ58X82 P0300: Multiple Cylinder Misfire Detected. ... with MIL on, flashing when accelerating. Codes P1312 and P0300 indicating misfires but seems to run well. I found corrosion on one coil secondary terminal which I cleaned off with wire brush. Also found 5 new-looking Bosch Platinums and 1 old-looking Champ... |
January 20, 2007 | |
| 2002 GMC Sierra 1500 SL 4.3L Misfire VIN: 1GTEC14W82 P0300: Multiple Cylinder Misfire Detected. this vehicle came from a dealership from a sale in charlotte. do not have any information on the onwer or the vehicles history. the check engine light comes on and it has(po300) random misfires. you can watch the misfire data and it will count them off above i... |
January 22, 2007 | |
| 1998 Plymouth Voyager 3.0L Hesitation, Cuts out, Stall, Misfire VIN: 2P4FP2532W P0300: Multiple Cylinder Misfire Detected. ... well maintained. A few weeks ago after driving about an hour on the freeway, it sudenly lost power and started to mis baddly. The van was towed to our shop with a P0300 code. A quick inspection found the coil wire had fa... |
January 22, 2007 | |
| 1993 Chevrolet Lumina 3.1L Misfire VIN: 2G1WW12M0T P0300: random misfire. trouble code po300 - random misfire - cylinder #5 has dead miss. 100 psi compression, has good spark,(swaped coil, plug and wire with another cylinder to compare), replaced fuel injector, no vacuum leaks, pcv working, egr not stuck open, no forein matter by ma... |
January 24, 2007 | |
| 1995 Chevrolet Blazer 4.3L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire VIN: 1GNCT18WXS P0300: multi misfire. had new goodwrench motor about 40,000 miles ago. customer brought in with ses lite on, and bad misfire. we checked cap ,rotor and wires,(which customer had reused with new engine) and replaced them and the plugs , #2 plug was severly fuel fouled. the data stre... |
January 25, 2007 | |
| 2001 Chevrolet Silverado 1500 4.3L Misfire VIN: 1GCEC14W91 P0300: Multiple Cylinder Misfire Detected. misfire on cylinders 1 and 4 they replaced with a used engine replaced distributor cap and distributor/wires and spark plugs compression good on cylinders, replaced egr cadiallic convertors are good sent to dealer to check for updates and reprograms on pcm no ... |
January 26, 2007 | |
| 2001 Chevrolet S10 LS 4.3L MIL Lamp on VIN: 1GCDT13W81 P0300: Multiple Engine Misfire Detected. Hello all, I have an odd one here. This truck originally came in for a check engine light and running extremely rich, black smoke. Another shop had installed the parts listed in related repair history. We found bank two sensor one biased lean all the time. We... |
January 26, 2007 | |
| 1998 Mercedes-Benz ML320 3.2L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 4JGAB54E0W P0300: Ramdom missfire. Vehicle came in for missfire, poor idle, hesitation, will not exceed 15 MPH. EMC is shutting injectors down to Cyl. #4,#5,#6. Vehicle has had new cyl. #6 coil and MAF sensor. Customer also has complete tune up before it came to our facility. |
January 30, 2007 | |
| 1998 Chevrolet K1500 Cheyenne 5.7L Misfire VIN: 2GCEK19R8W P0300: Multiple Cylinder Misfire Detected. Hi there! Have a 98 Chev truck with a dead miss,missfire history blames #5 almost exclusively,#7 a few times.I pulled #5 plug and it was fouled almost shut,fuel I think(light colored deposit).I changed the plug,wire,and dist cap,but no change.Engine compressio... |
January 31, 2007 |
