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P0303 Diagnostic Trouble Code Discussion for January 2008

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2002 Toyota Highlander 3.0L Hesitation, Misfire, MIL Lamp on VIN: JTEHF21A82
P0303: Cylinder 3 Misfire Detected. Hi Guys Banging my head here. This thing runs real bad for my customer most of the time. She says it lacks power and runs rough. Feels like it will quit but never does. Four times she has brought it in and it always runs great for me. Today I drove it for 2 h...
January 03, 2008
2000 Mercedes-Benz ML320 3.2L Misfire VIN: 4JGAB54E8Y
P0303: Cyl. 3 Misfire. Please help, this thing is kicking us hard. This is our second post on this car addressing a seperate but related issue. The first concerned plugged exhaust. Now we have a persistant missfire on #3 that varies in intensity only at low RPM/low load conditions. ...
January 04, 2008
2001 Volkswagen Passat GLS 1.8L Misfire VIN: WVWAC63B21
P0303: Cyl 3 misfire. This car has two dead cylinders. Compression ok and even all cylinders. Cyl. leakdown less then 10% all cylinders. Now the misfiring cylinders are actually cyls. 2 and 4. I've swapped all parts from 1+3 to 2+4 with no changes. What I've actually discovered is ...
January 07, 2008
2000 Mercedes-Benz ML320 3.2L Misfire VIN: 4JGAB54E8Y
P0303: Cyl. 3 Misfire. Please help, this thing is kicking us hard. This is our second post on this car addressing a seperate but related issue. The first concerned plugged exhaust. Now we have a persistant missfire on #3 that varies in intensity only at low RPM/low load conditions. ...
January 11, 2008
1999 Volkswagen Passat GLS 2.8L Poor Idle Quality, Cuts out VIN: WVWMD63B3X
P0303: Cyl 3 misfire. vehicle came in MIL on ... idles ok .after replacing camshaft sensor, vehicle wont idle when warm...idles ok when cold, drives ok at all speeds. after replacing cam sensor, misfire codes went away, vehicle was driven over 50 miles, no codes came back. Replaced...
January 17, 2008
2004 Honda CR-V EX 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: JHLPD68484
P0303: Cylinder 3 Misfire Detected. ... light on. p0300, p0301, p0302,,,ect... replaced spark plugs due to mileage and used iridium style as required by manufacture. could not get rid of the mis no matter what we did. swapped coils, checked for vacuum leaks, changed plug type. long term fuel tri...
January 23, 2008
2002 Mitsubishi Diamante LS 3.5L No Start, Stall, Misfire VIN: 6MMAP67P12
P0303: Cylinder 3 Misfire Detected. car came in with a noticible misfire, but car started right up. i had spark and a po 303. cyl 3 misfire. i sold an injector. the next day i startrd car to bring into the shop to replace injector, car stalled right infront of the bay door and no restart. found ...
January 23, 2008
2004 Honda CR-V EX 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: JHLPD68484
P0303: Cylinder 3 Misfire Detected. ... light on. p0300, p0301, p0302,,,ect... replaced spark plugs due to mileage and used iridium style as required by manufacture. could not get rid of the mis no matter what we did. swapped coils, checked for vacuum leaks, changed plug type. long term fuel tri...
January 24, 2008
2008 Toyota Sequoia Limited 5.7L Surge, MIL Lamp on VIN: 5TDBY68A88
FELLOW TECHNICIANS PLEASE HELP. I BOUGHT MY WIFE A 2008 TOYOTA SEQUOIA LIMITED 4WD 12/21/2007. ON 1/18/2008, WHILE SHE WAS DRIVING THIS VECHILE IT WENT INTO APPARENT LIMP HOME MODE AT 30mph, WOULD NOT ACCELLERATE OVER 5mph. THE FOLLOWING LIGHTS WENT ON - 4WD L...
January 24, 2008
1996 Ford Explorer Eddie Bauer 4.0L Misfire VIN: 1FMDU34X4T
P0303: cylinder 3 mifire detected. ... rough idle put the snap on brick scanner on it and came up with p0303 cylinder #3 misfire detected. as you can see i've done alot of testing and still have not found my problem. i've tested the ignition system and replaced all with new parts. i've checked ...
January 28, 2008
2002 Honda Accord EX 3.0L Excessive Emissions, Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1FGCG16532
P0303: Cylinder 3 Misfire Detected. Hello, this Honda has been at three other shops, no parts have been replaced but nothing has been fixed. The engine has a misfire on all cylinders, but mainly #2 and 4 when cold. As the vehicle reaches operating temp the misfire slowly goes away, until gone. I...
January 28, 2008
1999 Chevrolet Venture 3.4L Poor Idle Quality, Misfire VIN: 1GNDX03E7X
P0303: cyl 3 misfire. heres a good one to all the gm techs i've been on this vehicle for days and i can't figure it out. at idle the fuel trims go up to -17% and has a slight miss it clears up at about 1500-2000 rpms, it also keeps setting misfire codes on bank 1. monotoring misfir...
January 29, 2008
2002 Honda Accord EX 3.0L Excessive Emissions, Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1FGCG16532
P0303: Cylinder 3 Misfire Detected. Hello, this Honda has been at three other shops, no parts have been replaced but nothing has been fixed. The engine has a misfire on all cylinders, but mainly #2 and 4 when cold. As the vehicle reaches operating temp the misfire slowly goes away, until gone. I...
January 29, 2008
2008 Toyota Sequoia Limited 5.7L Surge, MIL Lamp on VIN: 5TDBY68A88
FELLOW TECHNICIANS PLEASE HELP. I BOUGHT MY WIFE A 2008 TOYOTA SEQUOIA LIMITED 4WD 12/21/2007. ON 1/18/2008, WHILE SHE WAS DRIVING THIS VECHILE IT WENT INTO APPARENT LIMP HOME MODE AT 30mph, WOULD NOT ACCELLERATE OVER 5mph. THE FOLLOWING LIGHTS WENT ON - 4WD L...
January 30, 2008
2002 Toyota Highlander 3.0L Hesitation, Misfire, MIL Lamp on VIN: JTEHF21A82
P0303: Cylinder 3 Misfire Detected. Hi Guys Banging my head here. This thing runs real bad for my customer most of the time. She says it lacks power and runs rough. Feels like it will quit but never does. Four times she has brought it in and it always runs great for me. Today I drove it for 2 h...
January 03, 2008
2000 Mercedes-Benz ML320 3.2L Misfire VIN: 4JGAB54E8Y
P0303: Cyl. 3 Misfire. Please help, this thing is kicking us hard. This is our second post on this car addressing a seperate but related issue. The first concerned plugged exhaust. Now we have a persistant missfire on #3 that varies in intensity only at low RPM/low load conditions. ...
January 04, 2008
2001 Volkswagen Passat GLS 1.8L Misfire VIN: WVWAC63B21
P0303: Cyl 3 misfire. This car has two dead cylinders. Compression ok and even all cylinders. Cyl. leakdown less then 10% all cylinders. Now the misfiring cylinders are actually cyls. 2 and 4. I've swapped all parts from 1+3 to 2+4 with no changes. What I've actually discovered is ...
January 07, 2008
2000 Mercedes-Benz ML320 3.2L Misfire VIN: 4JGAB54E8Y
P0303: Cyl. 3 Misfire. Please help, this thing is kicking us hard. This is our second post on this car addressing a seperate but related issue. The first concerned plugged exhaust. Now we have a persistant missfire on #3 that varies in intensity only at low RPM/low load conditions. ...
January 11, 2008
1999 Volkswagen Passat GLS 2.8L Poor Idle Quality, Cuts out VIN: WVWMD63B3X
P0303: Cyl 3 misfire. vehicle came in MIL on ... idles ok .after replacing camshaft sensor, vehicle wont idle when warm...idles ok when cold, drives ok at all speeds. after replacing cam sensor, misfire codes went away, vehicle was driven over 50 miles, no codes came back. Replaced...
January 17, 2008
2004 Honda CR-V EX 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: JHLPD68484
P0303: Cylinder 3 Misfire Detected. ... light on. p0300, p0301, p0302,,,ect... replaced spark plugs due to mileage and used iridium style as required by manufacture. could not get rid of the mis no matter what we did. swapped coils, checked for vacuum leaks, changed plug type. long term fuel tri...
January 23, 2008
2002 Mitsubishi Diamante LS 3.5L No Start, Stall, Misfire VIN: 6MMAP67P12
P0303: Cylinder 3 Misfire Detected. car came in with a noticible misfire, but car started right up. i had spark and a po 303. cyl 3 misfire. i sold an injector. the next day i startrd car to bring into the shop to replace injector, car stalled right infront of the bay door and no restart. found ...
January 23, 2008
2004 Honda CR-V EX 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: JHLPD68484
P0303: Cylinder 3 Misfire Detected. ... light on. p0300, p0301, p0302,,,ect... replaced spark plugs due to mileage and used iridium style as required by manufacture. could not get rid of the mis no matter what we did. swapped coils, checked for vacuum leaks, changed plug type. long term fuel tri...
January 24, 2008
2008 Toyota Sequoia Limited 5.7L Surge, MIL Lamp on VIN: 5TDBY68A88
FELLOW TECHNICIANS PLEASE HELP. I BOUGHT MY WIFE A 2008 TOYOTA SEQUOIA LIMITED 4WD 12/21/2007. ON 1/18/2008, WHILE SHE WAS DRIVING THIS VECHILE IT WENT INTO APPARENT LIMP HOME MODE AT 30mph, WOULD NOT ACCELLERATE OVER 5mph. THE FOLLOWING LIGHTS WENT ON - 4WD L...
January 24, 2008
1996 Ford Explorer Eddie Bauer 4.0L Misfire VIN: 1FMDU34X4T
P0303: cylinder 3 mifire detected. ... rough idle put the snap on brick scanner on it and came up with p0303 cylinder #3 misfire detected. as you can see i've done alot of testing and still have not found my problem. i've tested the ignition system and replaced all with new parts. i've checked ...
January 28, 2008
2002 Honda Accord EX 3.0L Excessive Emissions, Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1FGCG16532
P0303: Cylinder 3 Misfire Detected. Hello, this Honda has been at three other shops, no parts have been replaced but nothing has been fixed. The engine has a misfire on all cylinders, but mainly #2 and 4 when cold. As the vehicle reaches operating temp the misfire slowly goes away, until gone. I...
January 28, 2008
1999 Chevrolet Venture 3.4L Poor Idle Quality, Misfire VIN: 1GNDX03E7X
P0303: cyl 3 misfire. heres a good one to all the gm techs i've been on this vehicle for days and i can't figure it out. at idle the fuel trims go up to -17% and has a slight miss it clears up at about 1500-2000 rpms, it also keeps setting misfire codes on bank 1. monotoring misfir...
January 29, 2008
2002 Honda Accord EX 3.0L Excessive Emissions, Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1FGCG16532
P0303: Cylinder 3 Misfire Detected. Hello, this Honda has been at three other shops, no parts have been replaced but nothing has been fixed. The engine has a misfire on all cylinders, but mainly #2 and 4 when cold. As the vehicle reaches operating temp the misfire slowly goes away, until gone. I...
January 29, 2008
2008 Toyota Sequoia Limited 5.7L Surge, MIL Lamp on VIN: 5TDBY68A88
FELLOW TECHNICIANS PLEASE HELP. I BOUGHT MY WIFE A 2008 TOYOTA SEQUOIA LIMITED 4WD 12/21/2007. ON 1/18/2008, WHILE SHE WAS DRIVING THIS VECHILE IT WENT INTO APPARENT LIMP HOME MODE AT 30mph, WOULD NOT ACCELLERATE OVER 5mph. THE FOLLOWING LIGHTS WENT ON - 4WD L...
January 30, 2008