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P0303 Diagnostic Trouble Code Discussion for May 2010

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
1999 Audi A6 2.8L Misfire, MIL Lamp on VIN: WAUBA24B3X
P0303: . i have a 99 a6 is missing in bank one all cylinders i have pull the codes p1300 missfire possible cause low fuel p301 p302 p303 all missfires are on bank 1 good compression new plugs new wires and swap injectors to the other bank still missfire all bank one
May 04, 2010
2000 Jeep Cherokee Sport 4.0L Misfire, MIL Lamp on VIN: 1J4FF48S0Y
P0303: Cylinder 3 Misfire Detected. Modis troubleshooter and Alldata do not list the P1685 code. Does anyone have any idea what that means or what may be causing it? Two members have that listed in the knowledge database, but neither show a fix for it. Thanks for any and all help!
May 04, 2010
2000 Jeep Cherokee Sport 4.0L Misfire, MIL Lamp on VIN: 1J4FF48S0Y
P0303: Cylinder 3 Misfire Detected. Modis troubleshooter and Alldata do not list the P1685 code. Does anyone have any idea what that means or what may be causing it? Two members have that listed in the knowledge database, but neither show a fix for it. Thanks for any and all help!
May 06, 2010
2000 Dodge Ram 1500 Van 3.9L Cuts out, Misfire, MIL Lamp on VIN: 2B6HB11X6Y
P0303: Cylinder 3 Misfire Detected. ... is pretty cool so far but I'm the one who is losing it. I got this '00 Ram Van 3.9L A/T that when at cruise @ about 70mph ocasionaly it will start to what fells like a misfire, not continuously but off and on, and sometimes when he is backing out of his dr...
May 07, 2010
2004 Nissan Quest SL 3.5L Misfire VIN: 5N1BV28U44
P0303: Cylinder 3 Misfire Detected. Vehicle came in complaining of stalling/hard start. Had codes set for camshaft position sensor.Replaced cam sensor and upstream 02 (both bank 1). After repairs the vehicle now starts right up but has misfire on cyl#3. Disable #3 injector-no change. Any other i...
May 07, 2010
2005 Chrysler Town & Country (Van) Limited 3.8L Misfire, MIL Lamp on VIN: 2C4GP54L65
P0303: missfire on 3 cylinder. ... few weeks ago with a number 3 missfire. Found the plug wire arching and slightly melted. We replaced both the plug and wire. The vehicle now has a miss on a COLD START only. Code p0303 every time. I have watched spark and it looks good. We swapped the plug...
May 11, 2010
2005 Volkswagen Beetle GLS 1.8L Misfire, MIL Lamp on VIN: 3VWCD31Y05
P0303: Intermittent misfire. Vehicle came in with MIL lamp on. Found misfire codes stored in computer. Knowing the coil packs had been replaced with the newly designed VW coil packs, and with no performance issues found in any condition, we replaced the 4 plugs due to visable wear and cle...
May 11, 2010
2001 Volkswagen Beetle GLS 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWED21C01
First time post, here we go... This Volkswagen Beetle will run great off idle, never a light or concern. Idle is when the fun begins. After bringing engine to operating temp or after a hot soak, you pull up to a stop and the idle will pick up from 840 rpm to 1...
May 12, 2010
2003 Subaru Outback 2.5L MIL Lamp on VIN: 4S3BH67583
P0303: Cylinder 3 Misfire Detected. good morning subaru techs, I have a good one this morning. this vehicle came to me with a "runs really bad" complaint and engine light on. I couldn't even make it out of our lot before I turned around. scanned and found codes listed but it idles perfec...
May 14, 2010
1996 Jaguar XJS 2 2 4.0L Excessive Emissions, Poor Idle Quality, Misfire VIN: SAJNX2748T
P0303: Misfire Detected - Cylinder 6. This car came to me for an extremely rough run and NO power. I found the engine was running extremely rich and the AMM registered very low g/s of flow. I'm sorry for the long post, I just want to provide as much info of what I've done as possible so I don't ...
May 17, 2010
2005 Chrysler Town & Country (Van) Limited 3.8L Misfire, MIL Lamp on VIN: 2C4GP54L65
P0303: missfire on 3 cylinder. ... few weeks ago with a number 3 missfire. Found the plug wire arching and slightly melted. We replaced both the plug and wire. The vehicle now has a miss on a COLD START only. Code p0303 every time. I have watched spark and it looks good. We swapped the plug...
May 18, 2010
2002 Jaguar X-Type 3.0L Misfire VIN: SAJEA53C32
P0303: Misfire detected cylinder 3. Good evening, We have this Jaguar in the shop that we just replaced the head gaskets on. All went well, timed the cam shafts per the procedure in Mitchell (as best as possible engine in car), started engine, sounds good but there is a rough idle, the check en...
May 18, 2010
2000 Dodge Stratus ES 2.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1B3EJ56H6Y
P0303: Cylinder 3 Misfire Detected. have a 2000 dodge status 2.5 v6 [think mitsubshi eng] that has a horrible start up-missfire bucking stall very rough running after start up for 30 seconds than runs very decently. its that first 30 seconds. it may stall once in a week coming to a stop. have ch...
May 19, 2010
2000 Dodge Stratus ES 2.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1B3EJ56H6Y
P0303: Cylinder 3 Misfire Detected. have a 2000 dodge status 2.5 v6 [think mitsubshi eng] that has a horrible start up-missfire bucking stall very rough running after start up for 30 seconds than runs very decently. its that first 30 seconds. it may stall once in a week coming to a stop. have ch...
May 20, 2010
1999 Honda Odyssey EX 3.5L Misfire, MIL Lamp on VIN: 621H572888
P0303: Cylinder 3 Misfire Detected. ... cylinders except for number 2. FF is stored for P0303 @753 RPM, ECT 203F, Closed Loop, Load 27.1% STFT 6.3% and LTFT 5.5%, TP 9.8% Misfire is constant @ idle and cruise, higher speed it'll clear up a little but still not...
May 20, 2010
1999 Honda Odyssey EX 3.5L Misfire, MIL Lamp on VIN: 621H572888
P0303: Cylinder 3 Misfire Detected. ... cylinders except for number 2. FF is stored for P0303 @753 RPM, ECT 203F, Closed Loop, Load 27.1% STFT 6.3% and LTFT 5.5%, TP 9.8% Misfire is constant @ idle and cruise, higher speed it'll clear up a little but still not...
May 21, 2010
2005 Dodge Neon SE 2.0L Poor Idle Quality, MIL Lamp on VIN: 1B3ES56C65
P0303: Cylinder 3 Misfire Detected. ... Probably cant see forest for the trees. Anyway 05 neon 2.0l as soon as I run engine at 1500 rpm I get code p0303, checked and replaced plug and wire. ( wire boot was bad) didnt help.disconnected #3 injector while running rpm droped. freeze frame says at ...
May 25, 2010
1996 Jaguar XJS 2 2 4.0L Excessive Emissions, Poor Idle Quality, Misfire VIN: SAJNX2748T
P0303: Misfire Detected - Cylinder 6. This car came to me for an extremely rough run and NO power. I found the engine was running extremely rich and the AMM registered very low g/s of flow. I'm sorry for the long post, I just want to provide as much info of what I've done as possible so I don't ...
May 26, 2010
1997 Kia Sportage 2.0L Misfire, MIL Lamp on VIN: KNDJA7236V
P0303: Cylinder 3 Misfire Detected. This Kia Sportage has no pulses on two injectors (#1 and #3) We are able to pulse injectors by grounding terminals at ECM connector. We checked CAM and Crank signals. Both signals are looking fine on scope. Crank signal is a clear sine wave while cam is a squa...
May 27, 2010
2004 Subaru Outback 2.5L Misfire, MIL Lamp on VIN: 4S3BH67554
P0303: Cylinder 3 Misfire Detected. Out of town customer states all was well when car was parked for the evening. Next morning the car wouldn't crank. Tow svc. replaced faulty battery & asked if the car had been running so rough. Cust. says no & hits the road. Says car ran poorly & C...
May 30, 2010
2004 Subaru Outback 2.5L Misfire, MIL Lamp on VIN: 4S3BH67554
P0303: Cylinder 3 Misfire Detected. Out of town customer states all was well when car was parked for the evening. Next morning the car wouldn't crank. Tow svc. replaced faulty battery & asked if the car had been running so rough. Cust. says no & hits the road. Says car ran poorly & C...
May 31, 2010
1999 Audi A6 2.8L Misfire, MIL Lamp on VIN: WAUBA24B3X
P0303: . i have a 99 a6 is missing in bank one all cylinders i have pull the codes p1300 missfire possible cause low fuel p301 p302 p303 all missfires are on bank 1 good compression new plugs new wires and swap injectors to the other bank still missfire all bank one
May 04, 2010
2000 Jeep Cherokee Sport 4.0L Misfire, MIL Lamp on VIN: 1J4FF48S0Y
P0303: Cylinder 3 Misfire Detected. Modis troubleshooter and Alldata do not list the P1685 code. Does anyone have any idea what that means or what may be causing it? Two members have that listed in the knowledge database, but neither show a fix for it. Thanks for any and all help!
May 04, 2010
2000 Jeep Cherokee Sport 4.0L Misfire, MIL Lamp on VIN: 1J4FF48S0Y
P0303: Cylinder 3 Misfire Detected. Modis troubleshooter and Alldata do not list the P1685 code. Does anyone have any idea what that means or what may be causing it? Two members have that listed in the knowledge database, but neither show a fix for it. Thanks for any and all help!
May 06, 2010
2000 Dodge Ram 1500 Van 3.9L Cuts out, Misfire, MIL Lamp on VIN: 2B6HB11X6Y
P0303: Cylinder 3 Misfire Detected. ... is pretty cool so far but I'm the one who is losing it. I got this '00 Ram Van 3.9L A/T that when at cruise @ about 70mph ocasionaly it will start to what fells like a misfire, not continuously but off and on, and sometimes when he is backing out of his dr...
May 07, 2010
2004 Nissan Quest SL 3.5L Misfire VIN: 5N1BV28U44
P0303: Cylinder 3 Misfire Detected. Vehicle came in complaining of stalling/hard start. Had codes set for camshaft position sensor.Replaced cam sensor and upstream 02 (both bank 1). After repairs the vehicle now starts right up but has misfire on cyl#3. Disable #3 injector-no change. Any other i...
May 07, 2010
2005 Chrysler Town & Country (Van) Limited 3.8L Misfire, MIL Lamp on VIN: 2C4GP54L65
P0303: missfire on 3 cylinder. ... few weeks ago with a number 3 missfire. Found the plug wire arching and slightly melted. We replaced both the plug and wire. The vehicle now has a miss on a COLD START only. Code p0303 every time. I have watched spark and it looks good. We swapped the plug...
May 11, 2010
2005 Volkswagen Beetle GLS 1.8L Misfire, MIL Lamp on VIN: 3VWCD31Y05
P0303: Intermittent misfire. Vehicle came in with MIL lamp on. Found misfire codes stored in computer. Knowing the coil packs had been replaced with the newly designed VW coil packs, and with no performance issues found in any condition, we replaced the 4 plugs due to visable wear and cle...
May 11, 2010
2001 Volkswagen Beetle GLS 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWED21C01
First time post, here we go... This Volkswagen Beetle will run great off idle, never a light or concern. Idle is when the fun begins. After bringing engine to operating temp or after a hot soak, you pull up to a stop and the idle will pick up from 840 rpm to 1...
May 12, 2010
2003 Subaru Outback 2.5L MIL Lamp on VIN: 4S3BH67583
P0303: Cylinder 3 Misfire Detected. good morning subaru techs, I have a good one this morning. this vehicle came to me with a "runs really bad" complaint and engine light on. I couldn't even make it out of our lot before I turned around. scanned and found codes listed but it idles perfec...
May 14, 2010
1996 Jaguar XJS 2 2 4.0L Excessive Emissions, Poor Idle Quality, Misfire VIN: SAJNX2748T
P0303: Misfire Detected - Cylinder 6. This car came to me for an extremely rough run and NO power. I found the engine was running extremely rich and the AMM registered very low g/s of flow. I'm sorry for the long post, I just want to provide as much info of what I've done as possible so I don't ...
May 17, 2010
2005 Chrysler Town & Country (Van) Limited 3.8L Misfire, MIL Lamp on VIN: 2C4GP54L65
P0303: missfire on 3 cylinder. ... few weeks ago with a number 3 missfire. Found the plug wire arching and slightly melted. We replaced both the plug and wire. The vehicle now has a miss on a COLD START only. Code p0303 every time. I have watched spark and it looks good. We swapped the plug...
May 18, 2010
2002 Jaguar X-Type 3.0L Misfire VIN: SAJEA53C32
P0303: Misfire detected cylinder 3. Good evening, We have this Jaguar in the shop that we just replaced the head gaskets on. All went well, timed the cam shafts per the procedure in Mitchell (as best as possible engine in car), started engine, sounds good but there is a rough idle, the check en...
May 18, 2010
2000 Dodge Stratus ES 2.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1B3EJ56H6Y
P0303: Cylinder 3 Misfire Detected. have a 2000 dodge status 2.5 v6 [think mitsubshi eng] that has a horrible start up-missfire bucking stall very rough running after start up for 30 seconds than runs very decently. its that first 30 seconds. it may stall once in a week coming to a stop. have ch...
May 19, 2010
2000 Dodge Stratus ES 2.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1B3EJ56H6Y
P0303: Cylinder 3 Misfire Detected. have a 2000 dodge status 2.5 v6 [think mitsubshi eng] that has a horrible start up-missfire bucking stall very rough running after start up for 30 seconds than runs very decently. its that first 30 seconds. it may stall once in a week coming to a stop. have ch...
May 20, 2010
1999 Honda Odyssey EX 3.5L Misfire, MIL Lamp on VIN: 621H572888
P0303: Cylinder 3 Misfire Detected. ... cylinders except for number 2. FF is stored for P0303 @753 RPM, ECT 203F, Closed Loop, Load 27.1% STFT 6.3% and LTFT 5.5%, TP 9.8% Misfire is constant @ idle and cruise, higher speed it'll clear up a little but still not...
May 20, 2010
1999 Honda Odyssey EX 3.5L Misfire, MIL Lamp on VIN: 621H572888
P0303: Cylinder 3 Misfire Detected. ... cylinders except for number 2. FF is stored for P0303 @753 RPM, ECT 203F, Closed Loop, Load 27.1% STFT 6.3% and LTFT 5.5%, TP 9.8% Misfire is constant @ idle and cruise, higher speed it'll clear up a little but still not...
May 21, 2010
2005 Dodge Neon SE 2.0L Poor Idle Quality, MIL Lamp on VIN: 1B3ES56C65
P0303: Cylinder 3 Misfire Detected. ... Probably cant see forest for the trees. Anyway 05 neon 2.0l as soon as I run engine at 1500 rpm I get code p0303, checked and replaced plug and wire. ( wire boot was bad) didnt help.disconnected #3 injector while running rpm droped. freeze frame says at ...
May 25, 2010
1996 Jaguar XJS 2 2 4.0L Excessive Emissions, Poor Idle Quality, Misfire VIN: SAJNX2748T
P0303: Misfire Detected - Cylinder 6. This car came to me for an extremely rough run and NO power. I found the engine was running extremely rich and the AMM registered very low g/s of flow. I'm sorry for the long post, I just want to provide as much info of what I've done as possible so I don't ...
May 26, 2010
1997 Kia Sportage 2.0L Misfire, MIL Lamp on VIN: KNDJA7236V
P0303: Cylinder 3 Misfire Detected. This Kia Sportage has no pulses on two injectors (#1 and #3) We are able to pulse injectors by grounding terminals at ECM connector. We checked CAM and Crank signals. Both signals are looking fine on scope. Crank signal is a clear sine wave while cam is a squa...
May 27, 2010
2004 Subaru Outback 2.5L Misfire, MIL Lamp on VIN: 4S3BH67554
P0303: Cylinder 3 Misfire Detected. Out of town customer states all was well when car was parked for the evening. Next morning the car wouldn't crank. Tow svc. replaced faulty battery & asked if the car had been running so rough. Cust. says no & hits the road. Says car ran poorly & C...
May 30, 2010
2004 Subaru Outback 2.5L Misfire, MIL Lamp on VIN: 4S3BH67554
P0303: Cylinder 3 Misfire Detected. Out of town customer states all was well when car was parked for the evening. Next morning the car wouldn't crank. Tow svc. replaced faulty battery & asked if the car had been running so rough. Cust. says no & hits the road. Says car ran poorly & C...
May 31, 2010