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P0301 Diagnostic Trouble Code Discussion for December 2011

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2006 Ford F-250 Super Duty XLT 5.4L Cuts out, Misfire VIN: 1FTSX21566
P0301: Fault Cylinder 1 Misfire Detected. vehicle stumbles/almost stalls when put into gear and throttle depressed immediately after start up. COLD ONLY. When throttle is depressed in Park- OK. Problem persists for less than 1 minute. Sometimes associated with cylinder misfire. Truck needs to sit for ...
December 05, 2011
2007 Chevrolet Express 1500 4.3L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1GCFG15X37
vehicle came in with rough run/stalling condition. found multiple misfire codes, pulled plugs and found worn and fuel soaked. replaced full tune, and noticed induction boot was off just before throttle body. reconnected tightly, and attempted to start vehicle....
December 06, 2011
2004 Toyota Corolla CE 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1NXBR32E14
P0301: Cylinder 1 Misfire Detected. ... Customer complaining of rough idle. Verified. Smooths out at about 1000 rpm and while driving has lots of power no hesitation. Had code P0031,PO134,P0300,P0301,P0302,P0303,P0304. tested o2 and found heater circuit bad replaced with factory o2 and scanner s...
December 07, 2011
2001 Kia Sportage 2.0L Misfire, MIL Lamp on VIN: KNDJB623X1
P0301: Cylinder 1 Misfire Detected. ... ever experienced! vehicle came with blown head gasket. Advised customer for engine overhaul. Car runs great when it's hot. Problem happens when it's cold and when you push on the gas,then the car stalls,gets flooded,no compression! when misfire occurs in t...
December 09, 2011
2004 Cadillac CTS 3.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6DM57754
P0301: Cylinder 1 Misfire Detected. Vehicle came in with check engine light blinking and above listed codes. Cleared codes. Codes returned shortly after restart, did not drive vehicle. Injector #1 was not working. Replaced injector-still not working. Unable to actuate fuel injectors with scanner...
December 13, 2011
2001 Kia Sportage 2.0L Misfire, MIL Lamp on VIN: KNDJB623X1
P0301: Cylinder 1 Misfire Detected. ... ever experienced! vehicle came with blown head gasket. Advised customer for engine overhaul. Car runs great when it's hot. Problem happens when it's cold and when you push on the gas,then the car stalls,gets flooded,no compression! when misfire occurs in t...
December 13, 2011
2002 Volkswagen Passat GLS 4 Motion 2.8L Misfire, MIL Lamp on VIN: WVWSH63B52
P0301: Cyl 1 misfire. Hello, having an issue with this Passat. Runs smooth at idle, only misfire under wide open throttle. It has a known good coil, I also removed the upstream o2 sensor and road tested to check for a blocked cat, it made no change. Wires are new and tested. plugs ...
December 16, 2011
2003 Chevrolet Silverado 1500 5.3L Misfire, MIL Lamp on VIN: 2GCEK19T33
P0301: cyl 1 missfire. this vech is an auction truck we replaced the fly wheel cracked. also replaced fuel filter and a kinked fuel line.both o2 sensors before the cats. fuel psi reg leaking. plugs wires and a coil pack. and fixed the gio3 ground for the pcm. when the computer goes ...
December 19, 2011
2007 Audi A4 2.0L MIL Lamp on VIN: WAUAF78E47
P0301: Cylinder 1 Misfire detected - Intermittent. Hello, and happy holidays. We've got this Audi with one recurring code and a few newbies. The car originally came in two weeks ago with misfire and lean condition codes. After the quick diagnosis of the old try to remove the oil cap at idle trick, the crank ca...
December 20, 2011
2003 Chevrolet Silverado 1500 5.3L Misfire, MIL Lamp on VIN: 2GCEK19T33
P0301: cyl 1 missfire. this vech is an auction truck we replaced the fly wheel cracked. also replaced fuel filter and a kinked fuel line.both o2 sensors before the cats. fuel psi reg leaking. plugs wires and a coil pack. and fixed the gio3 ground for the pcm. when the computer goes ...
December 20, 2011
2002 Volkswagen Passat GLS 4 Motion 2.8L Misfire, MIL Lamp on VIN: WVWSH63B52
P0301: Cyl 1 misfire. Hello, having an issue with this Passat. Runs smooth at idle, only misfire under wide open throttle. It has a known good coil, I also removed the upstream o2 sensor and road tested to check for a blocked cat, it made no change. Wires are new and tested. plugs ...
December 21, 2011
1998 Subaru Legacy Outback 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4S3BG6853W
P0301: Cylinder 1 Misfire Detected. Help! This Subaru came in with p0301,p0303 codes, rough idle. We verified concern, tested cranking compression (175 both cylinders) running compression (110 both cylinders) swapped injectors, tried new injectors, tried new coil, plugs and wires- no change. Che...
December 22, 2011
2005 Acura MDX Touring 3.5L MIL Lamp on VIN: 2HNYD18875
P0301: Cylinder 1 Misfire Detected. thanks in advance for the help. i have this 05 acura that is being a problem. every cold start it will throw all 6 cyl missfire codes. engine runs smooth. fuel pressure stays at 60 during cold start.iv replaced plugs. checked for shorts, im at my wits with thi...
December 28, 2011
2002 Nissan Altima 2.5L Stall, Misfire VIN: 1N4AL11D82
P0301: Cylinder 1 Misfire Detected. ... you drive along then come to a stop sign or light the car skips. Then clears up. Sometimes it stalls. It came in with a code p0301 misfire #1. I suspect a bad injector. I had another altima like this and i replaced the injector for the misfire on decell ju...
December 28, 2011
2004 Volvo XC70 2.5L Cuts out, Misfire VIN: YV1SZ59H64
P0301: missfire1. ... but at times think i can work on european also, apparently i cant, this 04 volvo came in for a maintenance check up and she said it would cut out at times up hill, overall condition of vehicle is good,i road tested it and it ran perfect,scan tested, no cod...
December 28, 2011
2003 Toyota Highlander 2.4L Misfire, MIL Lamp on
P0301: Cylinder 1 Misfire Detected. When i remove the cylinder head I had a machine shop recoil the tread for the head bolts. I torque it properly but im now questioning this action. I need help. has anyone run across this problem?
December 29, 2011
2004 Volvo XC70 2.5L Cuts out, Misfire VIN: YV1SZ59H64
P0301: missfire1. ... but at times think i can work on european also, apparently i cant, this 04 volvo came in for a maintenance check up and she said it would cut out at times up hill, overall condition of vehicle is good,i road tested it and it ran perfect,scan tested, no cod...
December 29, 2011
2006 Ford F-250 Super Duty XLT 5.4L Cuts out, Misfire VIN: 1FTSX21566
P0301: Fault Cylinder 1 Misfire Detected. vehicle stumbles/almost stalls when put into gear and throttle depressed immediately after start up. COLD ONLY. When throttle is depressed in Park- OK. Problem persists for less than 1 minute. Sometimes associated with cylinder misfire. Truck needs to sit for ...
December 05, 2011
2007 Chevrolet Express 1500 4.3L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1GCFG15X37
vehicle came in with rough run/stalling condition. found multiple misfire codes, pulled plugs and found worn and fuel soaked. replaced full tune, and noticed induction boot was off just before throttle body. reconnected tightly, and attempted to start vehicle....
December 06, 2011
2004 Toyota Corolla CE 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1NXBR32E14
P0301: Cylinder 1 Misfire Detected. ... Customer complaining of rough idle. Verified. Smooths out at about 1000 rpm and while driving has lots of power no hesitation. Had code P0031,PO134,P0300,P0301,P0302,P0303,P0304. tested o2 and found heater circuit bad replaced with factory o2 and scanner s...
December 07, 2011
2001 Kia Sportage 2.0L Misfire, MIL Lamp on VIN: KNDJB623X1
P0301: Cylinder 1 Misfire Detected. ... ever experienced! vehicle came with blown head gasket. Advised customer for engine overhaul. Car runs great when it's hot. Problem happens when it's cold and when you push on the gas,then the car stalls,gets flooded,no compression! when misfire occurs in t...
December 09, 2011
2004 Cadillac CTS 3.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G6DM57754
P0301: Cylinder 1 Misfire Detected. Vehicle came in with check engine light blinking and above listed codes. Cleared codes. Codes returned shortly after restart, did not drive vehicle. Injector #1 was not working. Replaced injector-still not working. Unable to actuate fuel injectors with scanner...
December 13, 2011
2001 Kia Sportage 2.0L Misfire, MIL Lamp on VIN: KNDJB623X1
P0301: Cylinder 1 Misfire Detected. ... ever experienced! vehicle came with blown head gasket. Advised customer for engine overhaul. Car runs great when it's hot. Problem happens when it's cold and when you push on the gas,then the car stalls,gets flooded,no compression! when misfire occurs in t...
December 13, 2011
2002 Volkswagen Passat GLS 4 Motion 2.8L Misfire, MIL Lamp on VIN: WVWSH63B52
P0301: Cyl 1 misfire. Hello, having an issue with this Passat. Runs smooth at idle, only misfire under wide open throttle. It has a known good coil, I also removed the upstream o2 sensor and road tested to check for a blocked cat, it made no change. Wires are new and tested. plugs ...
December 16, 2011
2003 Chevrolet Silverado 1500 5.3L Misfire, MIL Lamp on VIN: 2GCEK19T33
P0301: cyl 1 missfire. this vech is an auction truck we replaced the fly wheel cracked. also replaced fuel filter and a kinked fuel line.both o2 sensors before the cats. fuel psi reg leaking. plugs wires and a coil pack. and fixed the gio3 ground for the pcm. when the computer goes ...
December 19, 2011
2007 Audi A4 2.0L MIL Lamp on VIN: WAUAF78E47
P0301: Cylinder 1 Misfire detected - Intermittent. Hello, and happy holidays. We've got this Audi with one recurring code and a few newbies. The car originally came in two weeks ago with misfire and lean condition codes. After the quick diagnosis of the old try to remove the oil cap at idle trick, the crank ca...
December 20, 2011
2003 Chevrolet Silverado 1500 5.3L Misfire, MIL Lamp on VIN: 2GCEK19T33
P0301: cyl 1 missfire. this vech is an auction truck we replaced the fly wheel cracked. also replaced fuel filter and a kinked fuel line.both o2 sensors before the cats. fuel psi reg leaking. plugs wires and a coil pack. and fixed the gio3 ground for the pcm. when the computer goes ...
December 20, 2011
2002 Volkswagen Passat GLS 4 Motion 2.8L Misfire, MIL Lamp on VIN: WVWSH63B52
P0301: Cyl 1 misfire. Hello, having an issue with this Passat. Runs smooth at idle, only misfire under wide open throttle. It has a known good coil, I also removed the upstream o2 sensor and road tested to check for a blocked cat, it made no change. Wires are new and tested. plugs ...
December 21, 2011
1998 Subaru Legacy Outback 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4S3BG6853W
P0301: Cylinder 1 Misfire Detected. Help! This Subaru came in with p0301,p0303 codes, rough idle. We verified concern, tested cranking compression (175 both cylinders) running compression (110 both cylinders) swapped injectors, tried new injectors, tried new coil, plugs and wires- no change. Che...
December 22, 2011
2005 Acura MDX Touring 3.5L MIL Lamp on VIN: 2HNYD18875
P0301: Cylinder 1 Misfire Detected. thanks in advance for the help. i have this 05 acura that is being a problem. every cold start it will throw all 6 cyl missfire codes. engine runs smooth. fuel pressure stays at 60 during cold start.iv replaced plugs. checked for shorts, im at my wits with thi...
December 28, 2011
2002 Nissan Altima 2.5L Stall, Misfire VIN: 1N4AL11D82
P0301: Cylinder 1 Misfire Detected. ... you drive along then come to a stop sign or light the car skips. Then clears up. Sometimes it stalls. It came in with a code p0301 misfire #1. I suspect a bad injector. I had another altima like this and i replaced the injector for the misfire on decell ju...
December 28, 2011
2004 Volvo XC70 2.5L Cuts out, Misfire VIN: YV1SZ59H64
P0301: missfire1. ... but at times think i can work on european also, apparently i cant, this 04 volvo came in for a maintenance check up and she said it would cut out at times up hill, overall condition of vehicle is good,i road tested it and it ran perfect,scan tested, no cod...
December 28, 2011
2003 Toyota Highlander 2.4L Misfire, MIL Lamp on
P0301: Cylinder 1 Misfire Detected. When i remove the cylinder head I had a machine shop recoil the tread for the head bolts. I torque it properly but im now questioning this action. I need help. has anyone run across this problem?
December 29, 2011
2004 Volvo XC70 2.5L Cuts out, Misfire VIN: YV1SZ59H64
P0301: missfire1. ... but at times think i can work on european also, apparently i cant, this 04 volvo came in for a maintenance check up and she said it would cut out at times up hill, overall condition of vehicle is good,i road tested it and it ran perfect,scan tested, no cod...
December 29, 2011