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P0301 Diagnostic Trouble Code Discussion for June 2011

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
1999 Volkswagen Passat GLS 1.8L Misfire, MIL Lamp on VIN: WVWMA63B2X
P0301: cylender 1 misfire. ... cylender #1 misfire. The first thing I did was to swap the coil from #1 to #2 cylender. Did this and still have P0301. Put a new plug in and still have P0301. Switched injectors from #1 to #2 and still have cylender # 1 misfire. Did a compression check and...
June 02, 2011
1997 Toyota Tacoma DLX 2.7L Poor Idle Quality VIN: 4TAWM72N3W
P0301: Cylinder 1 Misfire Detected. ... Tacoma that had a cracked exhaust valve. Cylinder 1 misfire ofcourse. Pulled head, machined, checked for leaks, valve adjustment, head gasket, replaced all associated gaskets,put it back together and still has a slight misfire on cylinder 1 and 2 at idle. ...
June 09, 2011
2000 Volkswagen Jetta GL 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWRC29MZY
P0301: Cylinder 1 misfire. This Jetta will occasionally miss only on #1 cylinder, sometimes runs well quite a while without missing, but then misses on #1 only. Please help! Thanks.
June 09, 2011
2000 Volkswagen Jetta GL 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWRC29MZY
P0301: Cylinder 1 misfire. This Jetta will occasionally miss only on #1 cylinder, sometimes runs well quite a while without missing, but then misses on #1 only. Please help! Thanks.
June 10, 2011
2003 Nissan Frontier SC 3.3L Misfire, MIL Lamp on
P0301: Cylinder 1 Misfire Detected. Heavy mis all the time. Definately cylinder number 1. compression at 165 on1 and right there on all others. fuel pressure in spec. seams to be adding fuel. swapped number one injector with 2 no change. checke plug multiple times. swapped number one wire with N...
June 14, 2011
2003 Nissan Frontier SC 3.3L Misfire, MIL Lamp on
P0301: Cylinder 1 Misfire Detected. Heavy mis all the time. Definately cylinder number 1. compression at 165 on1 and right there on all others. fuel pressure in spec. seams to be adding fuel. swapped number one injector with 2 no change. checke plug multiple times. swapped number one wire with N...
June 15, 2011
2004 Ford Mustang 3.8L Poor Idle Quality, Misfire VIN: 1FAFP40474
P0301: misfire cyl 1. 04 mustang 3.8 came in idle was ruff & misfiring. customer had spark plugs, wires & even alternator changed at a different shop then came to our shop after they could find problem. We found low spark on cylinder 1 & cylinder 5 replaced ignition coi...
June 25, 2011
1999 Honda Accord EX 2.3L MIL Lamp on VIN: JHMCG6672X
P0301: Cylinder 1 Misfire Detected. This vehicle has the MIL flashing as soon as you start to drive it, and sets misfire codes for #1, #2. The strange thing is the vehicle is not actually misfiring. It revs nice and smooth with any trouble. Once the MIL starts flashing it doesnt stop until you s...
June 27, 2011
2004 Ford Mustang 3.8L Poor Idle Quality, Misfire VIN: 1FAFP40474
P0301: misfire cyl 1. 04 mustang 3.8 came in idle was ruff & misfiring. customer had spark plugs, wires & even alternator changed at a different shop then came to our shop after they could find problem. We found low spark on cylinder 1 & cylinder 5 replaced ignition coi...
June 28, 2011
1999 Volkswagen Passat GLS 1.8L Misfire, MIL Lamp on VIN: WVWMA63B2X
P0301: cylender 1 misfire. ... cylender #1 misfire. The first thing I did was to swap the coil from #1 to #2 cylender. Did this and still have P0301. Put a new plug in and still have P0301. Switched injectors from #1 to #2 and still have cylender # 1 misfire. Did a compression check and...
June 02, 2011
1997 Toyota Tacoma DLX 2.7L Poor Idle Quality VIN: 4TAWM72N3W
P0301: Cylinder 1 Misfire Detected. ... Tacoma that had a cracked exhaust valve. Cylinder 1 misfire ofcourse. Pulled head, machined, checked for leaks, valve adjustment, head gasket, replaced all associated gaskets,put it back together and still has a slight misfire on cylinder 1 and 2 at idle. ...
June 09, 2011
2000 Volkswagen Jetta GL 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWRC29MZY
P0301: Cylinder 1 misfire. This Jetta will occasionally miss only on #1 cylinder, sometimes runs well quite a while without missing, but then misses on #1 only. Please help! Thanks.
June 09, 2011
2000 Volkswagen Jetta GL 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWRC29MZY
P0301: Cylinder 1 misfire. This Jetta will occasionally miss only on #1 cylinder, sometimes runs well quite a while without missing, but then misses on #1 only. Please help! Thanks.
June 10, 2011
2003 Nissan Frontier SC 3.3L Misfire, MIL Lamp on
P0301: Cylinder 1 Misfire Detected. Heavy mis all the time. Definately cylinder number 1. compression at 165 on1 and right there on all others. fuel pressure in spec. seams to be adding fuel. swapped number one injector with 2 no change. checke plug multiple times. swapped number one wire with N...
June 14, 2011
2003 Nissan Frontier SC 3.3L Misfire, MIL Lamp on
P0301: Cylinder 1 Misfire Detected. Heavy mis all the time. Definately cylinder number 1. compression at 165 on1 and right there on all others. fuel pressure in spec. seams to be adding fuel. swapped number one injector with 2 no change. checke plug multiple times. swapped number one wire with N...
June 15, 2011
2004 Ford Mustang 3.8L Poor Idle Quality, Misfire VIN: 1FAFP40474
P0301: misfire cyl 1. 04 mustang 3.8 came in idle was ruff & misfiring. customer had spark plugs, wires & even alternator changed at a different shop then came to our shop after they could find problem. We found low spark on cylinder 1 & cylinder 5 replaced ignition coi...
June 25, 2011
1999 Honda Accord EX 2.3L MIL Lamp on VIN: JHMCG6672X
P0301: Cylinder 1 Misfire Detected. This vehicle has the MIL flashing as soon as you start to drive it, and sets misfire codes for #1, #2. The strange thing is the vehicle is not actually misfiring. It revs nice and smooth with any trouble. Once the MIL starts flashing it doesnt stop until you s...
June 27, 2011
2004 Ford Mustang 3.8L Poor Idle Quality, Misfire VIN: 1FAFP40474
P0301: misfire cyl 1. 04 mustang 3.8 came in idle was ruff & misfiring. customer had spark plugs, wires & even alternator changed at a different shop then came to our shop after they could find problem. We found low spark on cylinder 1 & cylinder 5 replaced ignition coi...
June 28, 2011