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P0303 Diagnostic Trouble Code Discussion for October 2012

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2003 Honda Civic EX 1.7L Misfire
P0303: Cylinder 3 Misfire Detected. Done all the checks on this Civic which got me to the injector. All 4 injectors have good 12 power in one side. My test light lights red for positive & green for negative. Cyl's 1,2,4 on my test light a negative pulsing trigger that will also illuminate th...
October 04, 2012
2002 Chrysler Town & Country (Van) LXi 3.3L Misfire VIN: 2C4GP44372
P0303: cylinder 3 misfire. Worked on this vehicle one month ago.Same codes as now.Before originally replacing, checked injector resistance between ASD relay out and pcm connector and all were exactly the same.Wasnt getting ground signal from #3 driver in computer.Replaced computer,flash...
October 05, 2012
2003 Honda Civic EX 1.7L Misfire
P0303: Cylinder 3 Misfire Detected. Done all the checks on this Civic which got me to the injector. All 4 injectors have good 12 power in one side. My test light lights red for positive & green for negative. Cyl's 1,2,4 on my test light a negative pulsing trigger that will also illuminate th...
October 05, 2012
2005 Volkswagen Passat GLS 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVWAE63B45
P0303: Misfire On 3 cylinder. Hi all, I have this diesel passat with a misfire on #3 cylinder and no power. When I say no power it literally will not hardly pull itself. To make a long story short the complete engine has been replaced by another shop. Compression is 450 psi on all cylinder...
October 08, 2012
2006 Volkswagen Jetta 2.5 2.5L Misfire VIN: 3VWSF31K36
This vehicle came in running rough at idle, misfing at cruise. Replaced valve cover cause 15" vacuum at dipstick tube, traced to breather failure, but still misfire at cruise. Suspect timing chain issue, Checked Block 093,channel four, should be 0 degrees ...
October 09, 2012
2004 Volkswagen Passat GLX 4 Motion 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVWTH63B24
P0303: misfire cylinder 3. Vehicle came in with cam position sensor faults and misfire faults on bank 1. We checked to see if there was any movement from the cam adjustment unit. Found the reading to be opposite of bank 2 on decrease from higher rpms and not changing with rpm increase. ...
October 12, 2012
2003 Jeep Liberty Sport 3.7L MIL Lamp on, indicated misfire VIN: 1J4GL48K73
P0303: Cylinder 3 Misfire Detected. Hi guys, I have an difficult one that I may not be approaching in the right way. This Jeep setup has had many problems with misfires due to valvetrain problem. But that being said, the vehicle/engine I am working on seems to runs OK but shows misfires on the m...
October 16, 2012
2005 Chevrolet Colorado Z85 2.8L Misfire VIN: 1GCCS14855
P0303: Cylinder 3 Misfire Detected. seems to miss only at idle,none detected past 1200 rpm. Same warm or cold
October 22, 2012
2003 Honda Civic EX 1.7L Misfire
P0303: Cylinder 3 Misfire Detected. Done all the checks on this Civic which got me to the injector. All 4 injectors have good 12 power in one side. My test light lights red for positive & green for negative. Cyl's 1,2,4 on my test light a negative pulsing trigger that will also illuminate th...
October 04, 2012
2002 Chrysler Town & Country (Van) LXi 3.3L Misfire VIN: 2C4GP44372
P0303: cylinder 3 misfire. Worked on this vehicle one month ago.Same codes as now.Before originally replacing, checked injector resistance between ASD relay out and pcm connector and all were exactly the same.Wasnt getting ground signal from #3 driver in computer.Replaced computer,flash...
October 05, 2012
2003 Honda Civic EX 1.7L Misfire
P0303: Cylinder 3 Misfire Detected. Done all the checks on this Civic which got me to the injector. All 4 injectors have good 12 power in one side. My test light lights red for positive & green for negative. Cyl's 1,2,4 on my test light a negative pulsing trigger that will also illuminate th...
October 05, 2012
2005 Volkswagen Passat GLS 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVWAE63B45
P0303: Misfire On 3 cylinder. Hi all, I have this diesel passat with a misfire on #3 cylinder and no power. When I say no power it literally will not hardly pull itself. To make a long story short the complete engine has been replaced by another shop. Compression is 450 psi on all cylinder...
October 08, 2012
2006 Volkswagen Jetta 2.5 2.5L Misfire VIN: 3VWSF31K36
This vehicle came in running rough at idle, misfing at cruise. Replaced valve cover cause 15" vacuum at dipstick tube, traced to breather failure, but still misfire at cruise. Suspect timing chain issue, Checked Block 093,channel four, should be 0 degrees ...
October 09, 2012
2004 Volkswagen Passat GLX 4 Motion 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVWTH63B24
P0303: misfire cylinder 3. Vehicle came in with cam position sensor faults and misfire faults on bank 1. We checked to see if there was any movement from the cam adjustment unit. Found the reading to be opposite of bank 2 on decrease from higher rpms and not changing with rpm increase. ...
October 12, 2012
2003 Jeep Liberty Sport 3.7L MIL Lamp on, indicated misfire VIN: 1J4GL48K73
P0303: Cylinder 3 Misfire Detected. Hi guys, I have an difficult one that I may not be approaching in the right way. This Jeep setup has had many problems with misfires due to valvetrain problem. But that being said, the vehicle/engine I am working on seems to runs OK but shows misfires on the m...
October 16, 2012
2005 Chevrolet Colorado Z85 2.8L Misfire VIN: 1GCCS14855
P0303: Cylinder 3 Misfire Detected. seems to miss only at idle,none detected past 1200 rpm. Same warm or cold
October 22, 2012