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P0303 Diagnostic Trouble Code Discussion for June 2012

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2000 BMW 323i 2.5L Misfire VIN: WBAAR3341Y
P0303: Misfire Cylinder 3. This BMW is driving us crazy. It has a misfire on cylinder 3 that is intermittent. It seems to occur more when the weather and the car are hot. The customer says that it usually requires a longer drive to get it to act up. 20 to 30 miles seems to do the trick....
June 06, 2012
2001 Dodge Ram 1500 Van 3.9L Misfire, MIL Lamp on VIN: 2B6HB11X71
P0303: Cylinder 3 Misfire Detected. ... in advance. I have this dodge ram van that came to our shop from another shop with a skipping engine and check engine light. As soon as I started working on this truck I found the valve seats where no good. removed cyl head and indeed valve seats no good a...
June 22, 2012
2001 Dodge Ram 1500 Van 3.9L Misfire, MIL Lamp on VIN: 2B6HB11X71
P0303: Cylinder 3 Misfire Detected. ... in advance. I have this dodge ram van that came to our shop from another shop with a skipping engine and check engine light. As soon as I started working on this truck I found the valve seats where no good. removed cyl head and indeed valve seats no good a...
June 24, 2012
2008 Ford F-350 Super Duty XL 5.4L Misfire, MIL Lamp on VIN: 1FDWF36558
P0303: 3 misfire. Looking for some ideas. Got this f-350 that misfires at start up. In the mornig,it might mis for 45 seconds to a minute, then pick up the cylinder and run fine the rest of the day. If it sits for an hour or two it might mis for 20 or 30 seconds before it start...
June 28, 2012
2010 Subaru Forester X 2.5L Stall, Misfire VIN: 1F2SH6CCXA
Customer has intermittent rough running/misfire. The car has acted up once for a short time for us. seemed to be running on 2 or 3 cyls.. No other code than the po303 and 304. Has anyone else seen this problem? I am thinking the ignition coil because it fires ...
June 28, 2012
2000 BMW 323i 2.5L Misfire VIN: WBAAR3341Y
P0303: Misfire Cylinder 3. This BMW is driving us crazy. It has a misfire on cylinder 3 that is intermittent. It seems to occur more when the weather and the car are hot. The customer says that it usually requires a longer drive to get it to act up. 20 to 30 miles seems to do the trick....
June 06, 2012
2001 Dodge Ram 1500 Van 3.9L Misfire, MIL Lamp on VIN: 2B6HB11X71
P0303: Cylinder 3 Misfire Detected. ... in advance. I have this dodge ram van that came to our shop from another shop with a skipping engine and check engine light. As soon as I started working on this truck I found the valve seats where no good. removed cyl head and indeed valve seats no good a...
June 22, 2012
2001 Dodge Ram 1500 Van 3.9L Misfire, MIL Lamp on VIN: 2B6HB11X71
P0303: Cylinder 3 Misfire Detected. ... in advance. I have this dodge ram van that came to our shop from another shop with a skipping engine and check engine light. As soon as I started working on this truck I found the valve seats where no good. removed cyl head and indeed valve seats no good a...
June 24, 2012
2008 Ford F-350 Super Duty XL 5.4L Misfire, MIL Lamp on VIN: 1FDWF36558
P0303: 3 misfire. Looking for some ideas. Got this f-350 that misfires at start up. In the mornig,it might mis for 45 seconds to a minute, then pick up the cylinder and run fine the rest of the day. If it sits for an hour or two it might mis for 20 or 30 seconds before it start...
June 28, 2012
2010 Subaru Forester X 2.5L Stall, Misfire VIN: 1F2SH6CCXA
Customer has intermittent rough running/misfire. The car has acted up once for a short time for us. seemed to be running on 2 or 3 cyls.. No other code than the po303 and 304. Has anyone else seen this problem? I am thinking the ignition coil because it fires ...
June 28, 2012