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P0306 Diagnostic Trouble Code Discussion for January 2014

Cylinder 6 Misfire Detected


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Trouble Ticket Help Requests for DTC P0306
Help Request Posted
2007 Mercedes-Benz C230 Sport 2.5L Excessive Emissions, Misfire VIN: WDBRF52H97
P0306: Misfire 6. Customer first came in with an issue relating to cold starting. The vehicle would have a hard time starting. It would run very rich once it did start. Once the car warms ups it seems to run fine. I initially looked at fuel pressure and found this to be ok arou...
January 09, 2014
2001 Jeep Cherokee Classic 4.0L Poor Idle Quality, Misfire VIN: 1J4FF58S71
P0306: Cylinder 6 Misfire Detected. Hello to all and Thanks for your help.This Jeep came in with a over heating prob.Ran test and found cracked cylinder head customer would not buy a long block at the time so sold a reman ATK cylinder head. After cylinder head replacment # 2 cylinder was down 30...
January 14, 2014
2005 Audi S4 4.2L Hesitation, Cuts out, Misfire VIN: WAUPL68E95
P0306: cylinder 6 misfire. We have this 05 S4 standard. Codes P0300, 304, 306 and 308 continue to be set for very harsh misfire. These codes come back every time. Idles and starts fine, hot or cold. First start of day chains rattle for a second or so. No roughness at idle, or no load pa...
January 17, 2014
2008 Lexus RX350 3.5L Poor Idle Quality, Misfire VIN: 2T2HK31U18
P0306: Cylinder 6 misfire. Vehicle came in today(2 weeks) after initial problem occured. Originally, car came in with a very intermittent misfire. Scope patters while here were pretty solid, I had enough dropouts of the IGT signal to justify the coil, as well as oxidation around the bas...
January 17, 2014
2002 Ford Escape XLT 3.0L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on
P0306: Cyl 6 misfire. Hello everybody and thank you in advance for your help and guidance. A customer just bought their 02 Escape recently for their son. They brought it to me to get the random misfire and poor idle quality taken care of. The customer put some fuel inj. cleaner in ...
January 24, 2014
2006 Suzuki XL-7 Premium 2.7L Misfire, MIL Lamp on VIN: JS3TX92V96
P0306: Cylinder 6 Misfire Detected. Came in for ticking noise, found main chain tensioner broken. Replace all 3 tensioners and shoes. Did not physically remove chains from sprockets. I did have to remove both RH cam shafts to replace the RH secondary tensioner. I swapped coils, injectors, plugs....
January 24, 2014
2000 Honda Accord LX 3.0L No Start, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG1641Y
P0306: Cylinder 6 Misfire Detected. This Accord will not start hot after a hot soak. The Main relay has been removed and inspected on the circuit board. The ignition system hasn't been checked past the fact that we have good spark when the problem is there. When we cracked the fuel line we get v...
January 27, 2014
2000 Toyota Avalon XL 3.0L Misfire, MIL Lamp on VIN: 4T1BF28B5Y
P0306: Cylinder 6 Misfire Detected. This car runs fine, but the mil light is blinking and has CYLINDER #6 MISSFIRE CODE. I swapped the #2 and #6 coils with no change. Then I swopped the 2 and 6 injectors with no change. Next I swopped the 2 and 6 spark plugs with no change.(The #6 spark plug por...
January 28, 2014
2002 Audi A6 Quattro 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: WAULT64B92
P0306: misfire cyl6. Customer bought this car a 2 weeks ago. The engine light came on and it lost power on Saturday, about 9 days after he bought it. When it starts, it misfires bad, runs terrible , has no power, wont accelerate, and backfires through the intake. I have no service...
January 30, 2014
2007 Mercedes-Benz C230 Sport 2.5L Excessive Emissions, Misfire VIN: WDBRF52H97
P0306: Misfire 6. Customer first came in with an issue relating to cold starting. The vehicle would have a hard time starting. It would run very rich once it did start. Once the car warms ups it seems to run fine. I initially looked at fuel pressure and found this to be ok arou...
January 09, 2014
2001 Jeep Cherokee Classic 4.0L Poor Idle Quality, Misfire VIN: 1J4FF58S71
P0306: Cylinder 6 Misfire Detected. Hello to all and Thanks for your help.This Jeep came in with a over heating prob.Ran test and found cracked cylinder head customer would not buy a long block at the time so sold a reman ATK cylinder head. After cylinder head replacment # 2 cylinder was down 30...
January 14, 2014
2005 Audi S4 4.2L Hesitation, Cuts out, Misfire VIN: WAUPL68E95
P0306: cylinder 6 misfire. We have this 05 S4 standard. Codes P0300, 304, 306 and 308 continue to be set for very harsh misfire. These codes come back every time. Idles and starts fine, hot or cold. First start of day chains rattle for a second or so. No roughness at idle, or no load pa...
January 17, 2014
2008 Lexus RX350 3.5L Poor Idle Quality, Misfire VIN: 2T2HK31U18
P0306: Cylinder 6 misfire. Vehicle came in today(2 weeks) after initial problem occured. Originally, car came in with a very intermittent misfire. Scope patters while here were pretty solid, I had enough dropouts of the IGT signal to justify the coil, as well as oxidation around the bas...
January 17, 2014
2002 Ford Escape XLT 3.0L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on
P0306: Cyl 6 misfire. Hello everybody and thank you in advance for your help and guidance. A customer just bought their 02 Escape recently for their son. They brought it to me to get the random misfire and poor idle quality taken care of. The customer put some fuel inj. cleaner in ...
January 24, 2014
2006 Suzuki XL-7 Premium 2.7L Misfire, MIL Lamp on VIN: JS3TX92V96
P0306: Cylinder 6 Misfire Detected. Came in for ticking noise, found main chain tensioner broken. Replace all 3 tensioners and shoes. Did not physically remove chains from sprockets. I did have to remove both RH cam shafts to replace the RH secondary tensioner. I swapped coils, injectors, plugs....
January 24, 2014
2000 Honda Accord LX 3.0L No Start, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG1641Y
P0306: Cylinder 6 Misfire Detected. This Accord will not start hot after a hot soak. The Main relay has been removed and inspected on the circuit board. The ignition system hasn't been checked past the fact that we have good spark when the problem is there. When we cracked the fuel line we get v...
January 27, 2014
2000 Toyota Avalon XL 3.0L Misfire, MIL Lamp on VIN: 4T1BF28B5Y
P0306: Cylinder 6 Misfire Detected. This car runs fine, but the mil light is blinking and has CYLINDER #6 MISSFIRE CODE. I swapped the #2 and #6 coils with no change. Then I swopped the 2 and 6 injectors with no change. Next I swopped the 2 and 6 spark plugs with no change.(The #6 spark plug por...
January 28, 2014
2002 Audi A6 Quattro 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: WAULT64B92
P0306: misfire cyl6. Customer bought this car a 2 weeks ago. The engine light came on and it lost power on Saturday, about 9 days after he bought it. When it starts, it misfires bad, runs terrible , has no power, wont accelerate, and backfires through the intake. I have no service...
January 30, 2014
2007 Mercedes-Benz C230 Sport 2.5L Excessive Emissions, Misfire VIN: WDBRF52H97
P0306: Misfire 6. Customer first came in with an issue relating to cold starting. The vehicle would have a hard time starting. It would run very rich once it did start. Once the car warms ups it seems to run fine. I initially looked at fuel pressure and found this to be ok arou...
January 09, 2014
2001 Jeep Cherokee Classic 4.0L Poor Idle Quality, Misfire VIN: 1J4FF58S71
P0306: Cylinder 6 Misfire Detected. Hello to all and Thanks for your help.This Jeep came in with a over heating prob.Ran test and found cracked cylinder head customer would not buy a long block at the time so sold a reman ATK cylinder head. After cylinder head replacment # 2 cylinder was down 30...
January 14, 2014
2005 Audi S4 4.2L Hesitation, Cuts out, Misfire VIN: WAUPL68E95
P0306: cylinder 6 misfire. We have this 05 S4 standard. Codes P0300, 304, 306 and 308 continue to be set for very harsh misfire. These codes come back every time. Idles and starts fine, hot or cold. First start of day chains rattle for a second or so. No roughness at idle, or no load pa...
January 17, 2014
2008 Lexus RX350 3.5L Poor Idle Quality, Misfire VIN: 2T2HK31U18
P0306: Cylinder 6 misfire. Vehicle came in today(2 weeks) after initial problem occured. Originally, car came in with a very intermittent misfire. Scope patters while here were pretty solid, I had enough dropouts of the IGT signal to justify the coil, as well as oxidation around the bas...
January 17, 2014
2002 Ford Escape XLT 3.0L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on
P0306: Cyl 6 misfire. Hello everybody and thank you in advance for your help and guidance. A customer just bought their 02 Escape recently for their son. They brought it to me to get the random misfire and poor idle quality taken care of. The customer put some fuel inj. cleaner in ...
January 24, 2014
2006 Suzuki XL-7 Premium 2.7L Misfire, MIL Lamp on VIN: JS3TX92V96
P0306: Cylinder 6 Misfire Detected. Came in for ticking noise, found main chain tensioner broken. Replace all 3 tensioners and shoes. Did not physically remove chains from sprockets. I did have to remove both RH cam shafts to replace the RH secondary tensioner. I swapped coils, injectors, plugs....
January 24, 2014
2000 Honda Accord LX 3.0L No Start, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG1641Y
P0306: Cylinder 6 Misfire Detected. This Accord will not start hot after a hot soak. The Main relay has been removed and inspected on the circuit board. The ignition system hasn't been checked past the fact that we have good spark when the problem is there. When we cracked the fuel line we get v...
January 27, 2014
2000 Toyota Avalon XL 3.0L Misfire, MIL Lamp on VIN: 4T1BF28B5Y
P0306: Cylinder 6 Misfire Detected. This car runs fine, but the mil light is blinking and has CYLINDER #6 MISSFIRE CODE. I swapped the #2 and #6 coils with no change. Then I swopped the 2 and 6 injectors with no change. Next I swopped the 2 and 6 spark plugs with no change.(The #6 spark plug por...
January 28, 2014
2002 Audi A6 Quattro 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: WAULT64B92
P0306: misfire cyl6. Customer bought this car a 2 weeks ago. The engine light came on and it lost power on Saturday, about 9 days after he bought it. When it starts, it misfires bad, runs terrible , has no power, wont accelerate, and backfires through the intake. I have no service...
January 30, 2014