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P0303 Diagnostic Trouble Code Discussion for July 2010

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2000 Volkswagen Passat GLS 2.8L Misfire, MIL Lamp on VIN: WVWND23B1Y
P0303: cyl 3 misfire. ... needs to pass inspection. Pulled codes 16684/P0300 Multiple Misfire, 16688/P0304 Misfire Cyl 4, 16690/P0306 Misfire Cyl 6, 16689/P0305 Misfire Cyl 5, 17539/P1131 O2 Bank2 Sensor 1 Internal resistance to high, 16685/P0301 Misfire Cyl 1. Cleared ...
July 02, 2010
2003 Ford E-350 5.4L Misfire, MIL Lamp on VIN: 1FBSS31L23
P0303: Fault Cylinder 3 Misfire Detected. ... with check engine light on, and customer said starts but dies. I could not get it to die. Checked for codes in computer, and found misfire cylinder #3 (P0303), and P0352 (Ignition coil B Primary/Secondary circuit malfunctio...
July 07, 2010
1995 Toyota Previa LE 2.4L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: JT3GK12M3T
P0303: Po3o4-. This previa is driving mi crazy; it came from some other shops and we havent foud the problem is runnig very lean o2 sensor reading 0.00 all the time fuel pressure, fuel injectors ok 13.9 oms no vacuum leaks,scaner data: long t ft 20.31% short 20%, mass 8.3 g/...
July 07, 2010
2000 Volkswagen Jetta GLS 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWSE2902Y
P0303: misfire cyl3. Hello, 5:30 am here S.F. time. I have had this car for a couple days and am trying to get to the bottom of this problem. Customer I think is not excited that I did not fix it right away. This is a VR6 Jetta. Came to me with C.E. light on. Rattle when revving...
July 12, 2010
1998 Pontiac Sunfire SE 2.4L Misfire, MIL Lamp on VIN: 4G2JB32T3W
P0303: Cylinder 3 Misfire Detected. ... car! i am working on a 98 pontiac sunfire with a 2.4l. The engine will missfire at 5000 or higher rpms until it shifts in every gear. It sets a p0303 everytime you exceed 5000 rpm for any length of time. This happens all the time. I have replaced all 4 plu...
July 13, 2010
2006 Ford F-150 STX 4.6L Misfire VIN: 1FTRX14WX6
P0303: 3 miss. Hello all, I have checkec this out and it misses on # 3 cyl all the time. The coil & plug have been replaced. I know #3 is the cylinder that is likely to have the antifreeze leak from the hose, but there is no indication of this at all. It has voltage to ...
July 16, 2010
1999 Honda Civic EX 1.6L Misfire VIN: 1HGEJ864XX
P0303: cyl 3. ok honda guys im at your mercy this car has a misfire on all cyl only under load when cold codes set at 120f ect fuel pressure is good when occurring only last a short while then clears until vehicle cools for a while i havent been able to scope crank n cam wh...
July 19, 2010
1995 Toyota Previa LE 2.4L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: JT3GK12M3T
P0303: Po3o4-. This previa is driving mi crazy; it came from some other shops and we havent foud the problem is runnig very lean o2 sensor reading 0.00 all the time fuel pressure, fuel injectors ok 13.9 oms no vacuum leaks,scaner data: long t ft 20.31% short 20%, mass 8.3 g/...
July 21, 2010
2002 Dodge Grand Caravan EX 3.8L Poor Idle Quality, MIL Lamp on VIN: 2B4GP74L22
P0303: Cylinder 3 Misfire Detected. Running poorly, highway and idle. Never died. Ckd codes, had random and specific cylinder misfires. Scoped. Had original coil, weak, replaced. No difference. Interesting fact: with a/c off 18 inches of vacuum; a/c on, drops to 10 inches of vacuum. Also, a very...
July 26, 2010
1994 Lexus ES300 3.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: JT8GK13T2R
P0303: misfire cyl 3. ... at about 1/2 throttle. Scanned for codes and got p0303, p1300 as described above. I cleared them and waited for the codes to come back in order and p1300 was the only one that showed up at all thus far. The car runs very well until it warms up. Then it sta...
July 26, 2010
2003 BMW 760Li 6.0L MIL Lamp on VIN: WBAGN83403
P0303: Misfire 3. Engine misfires at all times. Code returns as soon as you start engine. This is my first V12 thanks for any help.
July 27, 2010
2005 Cadillac CTS 3.6L Misfire, MIL Lamp on VIN: 1G6DP56745
P0303: Cylinder 3 Misfire Detected. This Caddy runs on 3 cylinders. Numbers 1,3,and 5 are always missing. I checked the database and found a few of these cars with pugged cats, so I pulled the primary o2 sensor on bank #1 - no change. I suspect this camshaft actuator has all the intake valves ti...
July 27, 2010
2001 Volvo V70 X/C 2.4L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: YV1SZ58D5T
P0303: Cylinder 3 misfire. Vehicle came into shop with a cylinder 2 and 3 misfire. Customer told us that he couldn't remember when the spark plugs were changed, and he wanted us to replace them anyway. So we did and the misfire was still there. I then checked to see if there was any spa...
July 29, 2010
2000 Volkswagen Passat GLS 2.8L Misfire, MIL Lamp on VIN: WVWND23B1Y
P0303: cyl 3 misfire. ... needs to pass inspection. Pulled codes 16684/P0300 Multiple Misfire, 16688/P0304 Misfire Cyl 4, 16690/P0306 Misfire Cyl 6, 16689/P0305 Misfire Cyl 5, 17539/P1131 O2 Bank2 Sensor 1 Internal resistance to high, 16685/P0301 Misfire Cyl 1. Cleared ...
July 02, 2010
2003 Ford E-350 5.4L Misfire, MIL Lamp on VIN: 1FBSS31L23
P0303: Fault Cylinder 3 Misfire Detected. ... with check engine light on, and customer said starts but dies. I could not get it to die. Checked for codes in computer, and found misfire cylinder #3 (P0303), and P0352 (Ignition coil B Primary/Secondary circuit malfunctio...
July 07, 2010
1995 Toyota Previa LE 2.4L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: JT3GK12M3T
P0303: Po3o4-. This previa is driving mi crazy; it came from some other shops and we havent foud the problem is runnig very lean o2 sensor reading 0.00 all the time fuel pressure, fuel injectors ok 13.9 oms no vacuum leaks,scaner data: long t ft 20.31% short 20%, mass 8.3 g/...
July 07, 2010
2000 Volkswagen Jetta GLS 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWSE2902Y
P0303: misfire cyl3. Hello, 5:30 am here S.F. time. I have had this car for a couple days and am trying to get to the bottom of this problem. Customer I think is not excited that I did not fix it right away. This is a VR6 Jetta. Came to me with C.E. light on. Rattle when revving...
July 12, 2010
1998 Pontiac Sunfire SE 2.4L Misfire, MIL Lamp on VIN: 4G2JB32T3W
P0303: Cylinder 3 Misfire Detected. ... car! i am working on a 98 pontiac sunfire with a 2.4l. The engine will missfire at 5000 or higher rpms until it shifts in every gear. It sets a p0303 everytime you exceed 5000 rpm for any length of time. This happens all the time. I have replaced all 4 plu...
July 13, 2010
2006 Ford F-150 STX 4.6L Misfire VIN: 1FTRX14WX6
P0303: 3 miss. Hello all, I have checkec this out and it misses on # 3 cyl all the time. The coil & plug have been replaced. I know #3 is the cylinder that is likely to have the antifreeze leak from the hose, but there is no indication of this at all. It has voltage to ...
July 16, 2010
1999 Honda Civic EX 1.6L Misfire VIN: 1HGEJ864XX
P0303: cyl 3. ok honda guys im at your mercy this car has a misfire on all cyl only under load when cold codes set at 120f ect fuel pressure is good when occurring only last a short while then clears until vehicle cools for a while i havent been able to scope crank n cam wh...
July 19, 2010
1995 Toyota Previa LE 2.4L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: JT3GK12M3T
P0303: Po3o4-. This previa is driving mi crazy; it came from some other shops and we havent foud the problem is runnig very lean o2 sensor reading 0.00 all the time fuel pressure, fuel injectors ok 13.9 oms no vacuum leaks,scaner data: long t ft 20.31% short 20%, mass 8.3 g/...
July 21, 2010
2002 Dodge Grand Caravan EX 3.8L Poor Idle Quality, MIL Lamp on VIN: 2B4GP74L22
P0303: Cylinder 3 Misfire Detected. Running poorly, highway and idle. Never died. Ckd codes, had random and specific cylinder misfires. Scoped. Had original coil, weak, replaced. No difference. Interesting fact: with a/c off 18 inches of vacuum; a/c on, drops to 10 inches of vacuum. Also, a very...
July 26, 2010
1994 Lexus ES300 3.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: JT8GK13T2R
P0303: misfire cyl 3. ... at about 1/2 throttle. Scanned for codes and got p0303, p1300 as described above. I cleared them and waited for the codes to come back in order and p1300 was the only one that showed up at all thus far. The car runs very well until it warms up. Then it sta...
July 26, 2010
2003 BMW 760Li 6.0L MIL Lamp on VIN: WBAGN83403
P0303: Misfire 3. Engine misfires at all times. Code returns as soon as you start engine. This is my first V12 thanks for any help.
July 27, 2010
2005 Cadillac CTS 3.6L Misfire, MIL Lamp on VIN: 1G6DP56745
P0303: Cylinder 3 Misfire Detected. This Caddy runs on 3 cylinders. Numbers 1,3,and 5 are always missing. I checked the database and found a few of these cars with pugged cats, so I pulled the primary o2 sensor on bank #1 - no change. I suspect this camshaft actuator has all the intake valves ti...
July 27, 2010
2001 Volvo V70 X/C 2.4L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: YV1SZ58D5T
P0303: Cylinder 3 misfire. Vehicle came into shop with a cylinder 2 and 3 misfire. Customer told us that he couldn't remember when the spark plugs were changed, and he wanted us to replace them anyway. So we did and the misfire was still there. I then checked to see if there was any spa...
July 29, 2010