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P0301 Diagnostic Trouble Code Discussion for January 2011

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2006 Mercedes-Benz S65 AMG 6.0L No Start, Misfire, MIL Lamp on VIN: WDBNG79JX6
I need help with this beast,only happen whenever car decide to quit,sympton crank over and runs with misfire and some time missing so bad car won't start. I'm suspecting coil pack but cost of the coil pack is $1250.00 per side so I really need someone to shine...
January 05, 2011
2000 Toyota Avalon XLS 3.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 4T1BF28BXY
P0301: Cylinder 1 Misfire Detected. Car came in with a complaint of loss of power on the highway. Found P1349 VVT malfunction and misfire codes on front bank. We replaced VVT oil control valve clear codes and test drive car drives fine cold after about 15 minutes of highway driving you feel a sl...
January 05, 2011
2004 Ford Mustang GT 4.6L Misfire VIN: 1FAFP42XX4
Customer brought in mustang with misfire problem. Looked at modis and all 8 misfire codes were present along with misfire at start up. Vehicle only does this at 2000 to 3000 rpm at cruise. Here is what gets me. When it happens, short term fuel trims stick at 0...
January 07, 2011
2007 Lexus GS350 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: JTHBE96SX7
P0301: Cylinder 1 Misfire Detected. ... light on, Code P0301. A quick and dirty coil swap did nothing for it, further checking with scan tool shows misfire on 1,3,5, although 1 seems to be the main problem. Ran compression test, good compression. Anyone run into valve train problems on these car...
January 08, 2011
2001 Saturn LW300 3.0L No Start, Poor Idle Quality, Stall, Misfire VIN: 1G8JW82R71
P0301: Cylinder 1 Misfire Detected. vehicle came in running poorly went out to get car in am would not start at all unless holding throttle to floor after starting stalls with in 10 seconds and will not restart without holding to floor disconnected 1 3 5 coil no change runs exactly the same fuel...
January 10, 2011
2006 Mercedes-Benz R350 4Matic 3.5L Hesitation, MIL Lamp on VIN: 4JGCB65E46
P0301: . Truck was bought a few months back-used car yard. Truck ran very well, clean truck but large leak issuses. Truck was a tennis ball between customer and selling dealer. Fixing included Oil leaks - valve cover gaskets, cam plugs rear, CV axle , power steering pu...
January 15, 2011
2000 Mercury Sable LS 3.0L Misfire, MIL Lamp on VIN: 1MEFM58U6Y
P0301: cylinder 1 misfire. Ok, this is my wifes car. One day a few weeks ago she left to go to work and came right back home and said her car wasnt running correctly. Sure enough I go outside and I see the check engine light flashing and can tell it has a dead miss. I grab my mt2500 and...
January 15, 2011
2007 Jeep Patriot Limited 2.4L Cuts out, Stall, MIL Lamp on VIN: 1J8FF48W87
P0301: Cylinder 1 Misfire Detected. Need some thoughts on this Patriot if you please. Vehicle was presented by customer with the following complaints: "When driving at highway speeds, vehicle jerks, looses power, CEL comes on. Also, ESP light comes on randomly." I took the vehicle for ...
January 18, 2011
2005 Ford Explorer XLS 4.0L Cuts out, Misfire
P0301: Cylinder 1 misfire. Finished repair, backed customers vehicle out and prepared it for delivery. 5 minutes after my delivery driver left he called and stated the vehicle had a horrible misfire and vehicle was to weak to move. Brought it back to the shop, found the codes listed abo...
January 20, 2011
1999 GMC Safari SLE 4.3L Poor Idle Quality, Hesitation, Stall VIN: 1GKEL19WXX
P0301: multipul misfire. Ok everyone this one has truly got me.he is your avearge gmc safari van with 4.3 vortec motor.well I am having such a hard time trying to figure out why after you drive this van 5 or 6 miles it will come to a stop and die.then it is hard to restart and when it...
January 24, 2011
2005 Chrysler 300 (Car) 2.7L Poor Idle Quality, Misfire VIN: 2C3JA43R95
P0301: number one misfire only on idle. As I said above, this 300 runs like a top, but keeps setting misfire on number one even with new coil and new fuel injector. It also has new plenum gaskets. It only shows misfiring on my scope when it is idling, once driven, it has no misfires until you return...
January 26, 2011
2000 Dodge Dakota 3.9L Misfire VIN: 1B7GL22X3Y
P0301: Cylinder 1 Misfire Detected. Vehicle sets P0301 cyl1 misfire after very extended driving maybe [...]. Replaced all ign. components except coil and dist. Swapped fuel injectors. You can see #1 cyl count misfires when at idle in gear but no other cyl show misfire count is so low that it wil...
January 26, 2011
2005 Audi A6 Quattro 4.2L Misfire VIN: WAUDL74F45
This car wil occasionally miss. It seems to come on when idling. The car will miss for 30 seconds or so, and then straighten out by itself. The check engine light will flash and then stay on for a day or two and then go out on it's own. We have never gotten it...
January 27, 2011
2005 Audi A6 Quattro 4.2L Misfire VIN: WAUDL74F45
This car wil occasionally miss. It seems to come on when idling. The car will miss for 30 seconds or so, and then straighten out by itself. The check engine light will flash and then stay on for a day or two and then go out on it's own. We have never gotten it...
January 28, 2011
2000 Lexus ES300 3.0L Hesitation, Misfire, MIL Lamp on VIN: JT8BF28G9Y
P0301: Cylinder 1 Misfire Detected. Hello, This one has us stumped. The car starts fine cold, runs well for the first few miles until fully warmed-up. Then on moderate acceleration from a stop or low speed as in out of a right turn the car will hesitate and the misfire monitors show #1 - over 5...
January 29, 2011
1999 GMC Safari SLE 4.3L Poor Idle Quality, Hesitation, Stall VIN: 1GKEL19WXX
P0301: multipul misfire. Ok everyone this one has truly got me.he is your avearge gmc safari van with 4.3 vortec motor.well I am having such a hard time trying to figure out why after you drive this van 5 or 6 miles it will come to a stop and die.then it is hard to restart and when it...
January 31, 2011
1999 Honda Accord LX 3.0L Misfire VIN: 1HGCG1657X
P0301: Cylinder 1 Misfire Detected. This car has a constant misfire, cylinder 2 and 5 set codes right away, but after a while all cylinders set misfire codes. It is driving me nuts!! The fuel pressure and volume are both good. The Egr system is working fine. I don't know what else would cause a ...
January 31, 2011
2006 Mercedes-Benz S65 AMG 6.0L No Start, Misfire, MIL Lamp on VIN: WDBNG79JX6
I need help with this beast,only happen whenever car decide to quit,sympton crank over and runs with misfire and some time missing so bad car won't start. I'm suspecting coil pack but cost of the coil pack is $1250.00 per side so I really need someone to shine...
January 05, 2011
2000 Toyota Avalon XLS 3.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 4T1BF28BXY
P0301: Cylinder 1 Misfire Detected. Car came in with a complaint of loss of power on the highway. Found P1349 VVT malfunction and misfire codes on front bank. We replaced VVT oil control valve clear codes and test drive car drives fine cold after about 15 minutes of highway driving you feel a sl...
January 05, 2011
2004 Ford Mustang GT 4.6L Misfire VIN: 1FAFP42XX4
Customer brought in mustang with misfire problem. Looked at modis and all 8 misfire codes were present along with misfire at start up. Vehicle only does this at 2000 to 3000 rpm at cruise. Here is what gets me. When it happens, short term fuel trims stick at 0...
January 07, 2011
2007 Lexus GS350 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: JTHBE96SX7
P0301: Cylinder 1 Misfire Detected. ... light on, Code P0301. A quick and dirty coil swap did nothing for it, further checking with scan tool shows misfire on 1,3,5, although 1 seems to be the main problem. Ran compression test, good compression. Anyone run into valve train problems on these car...
January 08, 2011
2001 Saturn LW300 3.0L No Start, Poor Idle Quality, Stall, Misfire VIN: 1G8JW82R71
P0301: Cylinder 1 Misfire Detected. vehicle came in running poorly went out to get car in am would not start at all unless holding throttle to floor after starting stalls with in 10 seconds and will not restart without holding to floor disconnected 1 3 5 coil no change runs exactly the same fuel...
January 10, 2011
2006 Mercedes-Benz R350 4Matic 3.5L Hesitation, MIL Lamp on VIN: 4JGCB65E46
P0301: . Truck was bought a few months back-used car yard. Truck ran very well, clean truck but large leak issuses. Truck was a tennis ball between customer and selling dealer. Fixing included Oil leaks - valve cover gaskets, cam plugs rear, CV axle , power steering pu...
January 15, 2011
2000 Mercury Sable LS 3.0L Misfire, MIL Lamp on VIN: 1MEFM58U6Y
P0301: cylinder 1 misfire. Ok, this is my wifes car. One day a few weeks ago she left to go to work and came right back home and said her car wasnt running correctly. Sure enough I go outside and I see the check engine light flashing and can tell it has a dead miss. I grab my mt2500 and...
January 15, 2011
2007 Jeep Patriot Limited 2.4L Cuts out, Stall, MIL Lamp on VIN: 1J8FF48W87
P0301: Cylinder 1 Misfire Detected. Need some thoughts on this Patriot if you please. Vehicle was presented by customer with the following complaints: "When driving at highway speeds, vehicle jerks, looses power, CEL comes on. Also, ESP light comes on randomly." I took the vehicle for ...
January 18, 2011
2005 Ford Explorer XLS 4.0L Cuts out, Misfire
P0301: Cylinder 1 misfire. Finished repair, backed customers vehicle out and prepared it for delivery. 5 minutes after my delivery driver left he called and stated the vehicle had a horrible misfire and vehicle was to weak to move. Brought it back to the shop, found the codes listed abo...
January 20, 2011
1999 GMC Safari SLE 4.3L Poor Idle Quality, Hesitation, Stall VIN: 1GKEL19WXX
P0301: multipul misfire. Ok everyone this one has truly got me.he is your avearge gmc safari van with 4.3 vortec motor.well I am having such a hard time trying to figure out why after you drive this van 5 or 6 miles it will come to a stop and die.then it is hard to restart and when it...
January 24, 2011
2005 Chrysler 300 (Car) 2.7L Poor Idle Quality, Misfire VIN: 2C3JA43R95
P0301: number one misfire only on idle. As I said above, this 300 runs like a top, but keeps setting misfire on number one even with new coil and new fuel injector. It also has new plenum gaskets. It only shows misfiring on my scope when it is idling, once driven, it has no misfires until you return...
January 26, 2011
2000 Dodge Dakota 3.9L Misfire VIN: 1B7GL22X3Y
P0301: Cylinder 1 Misfire Detected. Vehicle sets P0301 cyl1 misfire after very extended driving maybe [...]. Replaced all ign. components except coil and dist. Swapped fuel injectors. You can see #1 cyl count misfires when at idle in gear but no other cyl show misfire count is so low that it wil...
January 26, 2011
2005 Audi A6 Quattro 4.2L Misfire VIN: WAUDL74F45
This car wil occasionally miss. It seems to come on when idling. The car will miss for 30 seconds or so, and then straighten out by itself. The check engine light will flash and then stay on for a day or two and then go out on it's own. We have never gotten it...
January 27, 2011
2005 Audi A6 Quattro 4.2L Misfire VIN: WAUDL74F45
This car wil occasionally miss. It seems to come on when idling. The car will miss for 30 seconds or so, and then straighten out by itself. The check engine light will flash and then stay on for a day or two and then go out on it's own. We have never gotten it...
January 28, 2011
2000 Lexus ES300 3.0L Hesitation, Misfire, MIL Lamp on VIN: JT8BF28G9Y
P0301: Cylinder 1 Misfire Detected. Hello, This one has us stumped. The car starts fine cold, runs well for the first few miles until fully warmed-up. Then on moderate acceleration from a stop or low speed as in out of a right turn the car will hesitate and the misfire monitors show #1 - over 5...
January 29, 2011
1999 GMC Safari SLE 4.3L Poor Idle Quality, Hesitation, Stall VIN: 1GKEL19WXX
P0301: multipul misfire. Ok everyone this one has truly got me.he is your avearge gmc safari van with 4.3 vortec motor.well I am having such a hard time trying to figure out why after you drive this van 5 or 6 miles it will come to a stop and die.then it is hard to restart and when it...
January 31, 2011
1999 Honda Accord LX 3.0L Misfire VIN: 1HGCG1657X
P0301: Cylinder 1 Misfire Detected. This car has a constant misfire, cylinder 2 and 5 set codes right away, but after a while all cylinders set misfire codes. It is driving me nuts!! The fuel pressure and volume are both good. The Egr system is working fine. I don't know what else would cause a ...
January 31, 2011