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P0306 Diagnostic Trouble Code Discussion for March 2010

Cylinder 6 Misfire Detected


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Trouble Ticket Help Requests for DTC P0306
Help Request Posted
2001 Porsche 911 Carrera 4 3.4L Poor Idle Quality, Stall VIN: WPOAA29971
This is a car that was brought in originally for a steering calibration due to rack not being properly aligned after fuel tank removal due to rodent damage. I now have a cold start running problem that is eating me alive and Identifix as well.This car will usu...
March 01, 2010
2002 Other European vanquish 5935CC Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: UNKOWNVINN
P0306: miss 6. ok alldata has zero info on this car and iatn tech help has very limited info also. this car belongs to very good customer with a fleet of trucks, plus he is a shop friend. so i dont want to send him back to the dealer on this. this car has misfires on multipl...
March 05, 2010
1998 Ford E-250 Econoline 5.4L Misfire, MIL Lamp on VIN: 1FTNE24L4W
P0306: cylinder 6 misfire. We have this Ford van that keeps setting a misfire code for cylinder # 6.It only seems to idle a little rough,if you speed up the rpm's the idle smooths out and scanner reads no on the misfire Pid.I checked the injector pattern with my Snap-on Vantage and the ...
March 12, 2010
1999 Audi A4 2.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: WAUDD28DXX
P0306: Misfire cyl 6. I work on thees all the time but this one is a hard case. Misfire on cylinders 1,2,4 and 6. this is a slight misfire on thees four cylinders, not a dead misfire. poor idle noticeable poor acceleration and a blinking mil lamp. removed the injector rail and saw ...
March 15, 2010
1999 Audi A4 2.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: WAUDD28DXX
P0306: Misfire cyl 6. I work on thees all the time but this one is a hard case. Misfire on cylinders 1,2,4 and 6. this is a slight misfire on thees four cylinders, not a dead misfire. poor idle noticeable poor acceleration and a blinking mil lamp. removed the injector rail and saw ...
March 16, 2010
1998 Lexus LS400 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: JTHBH28FXW
P0306: Cylinder 6 Misfire Detected. Need Toyota/Lexus gurus help. This one has stumped me. This vehicle came in previously with an alternator dead. The lady said the mil was on before we changed the alternator but the battery was dead and checked out with a dead cell. The next day she came back ...
March 18, 2010
1998 Toyota 4Runner Limited 3.4L Misfire, MIL Lamp on VIN: JT3HN87R4W
P0306: Cylinder 6 Misfire Detected. New customer came into shop complaining of misfiring. He had vehicle scanned previously and replaced #6 plug before he brought it to us. I scanned and found #6 and #2 misfiring. I switched sparkplugs and made sure wires were routed correctly. Misfire #2 went a...
March 19, 2010
2001 Mercedes-Benz C240 2.6L low power VIN: WDBRF61J31
P0306: testing and results. Greetings All, This like new car came to us from a body shop after a minor repair with the complaint of low power when accelerating. Disconnected maf and car ran better, replaced with new bosch , no help. Checked exhaust backpressure on both banks,had 1psi un...
March 22, 2010
2001 Mercedes-Benz C240 2.6L low power VIN: WDBRF61J31
P0306: testing and results. Greetings All, This like new car came to us from a body shop after a minor repair with the complaint of low power when accelerating. Disconnected maf and car ran better, replaced with new bosch , no help. Checked exhaust backpressure on both banks,had 1psi un...
March 23, 2010
2000 Jaguar S-Type 4.0L Misfire, MIL Lamp on VIN: SAJDA01D2Y
P0306: cylinder 6 misfire detected. ... that the check engine light is on. found p0306 misfire code stored. checked spark plug and compression, good. when looking up fuel psi spec. 2 diff engine managment systems listed an ptec and a denso, and the fuel psi spec is way differnt between them. any...
March 25, 2010