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P0301 Diagnostic Trouble Code Discussion for March 2004

Cylinder 1 Misfire Detected *

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Trouble Ticket Help Requests for DTC P0301

	Help Request	Posted
	1999 Subaru Forester L 2.5L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: JF1SF6355X P0301: Cylinder 1 Misfire Detected. After replacing all ignition components thinking the burned coil pac was a no brainer, the engine still misses very bad at idle,CO and HC are out the roof.I still can't get a good ignition secondary waveform on #1 and #2 but I can on #3 and #4 checked both coi...	March 03, 2004
	1998 Chevrolet K2500 Cheyenne 7.4L Misfire, MIL Lamp on VIN: 1GCGK24J0W P0301: Cylinder 1 Misfire Detected. help all you gm guru's. have a fun one here. this vehicle came in for a misfire one month ago, also long crank when cold. found the fuel pressure regulator to be leaking and tune-up needed. misfire was gone and all scan data looked ok. now its back with a veng...	March 04, 2004
	1998 Chevrolet K2500 Cheyenne 7.4L Misfire, MIL Lamp on VIN: 1GCGK24J0W P0301: Cylinder 1 Misfire Detected. help all you gm guru's. have a fun one here. this vehicle came in for a misfire one month ago, also long crank when cold. found the fuel pressure regulator to be leaking and tune-up needed. misfire was gone and all scan data looked ok. now its back with a veng...	March 05, 2004
	1997 Ford Windstar GL 3.8L Hesitation, Misfire, MIL Lamp on VIN: 2FMDA5141V P0301: Cylinder 1 misfire detected. Hello ford techs, Van has a hard misfire under throttle only, when warmed up. Problem does not occur when cold. You can duplicate misfire in the shop by raising rpm's in drive while braking, however no problem is noticed while in Park. Problem only occurs afte...	March 05, 2004
	1998 Isuzu Rodeo S 2.2L Misfire, MIL Lamp on VIN: 4S2CK58DXW P0301: Cylinder 1 Misfire Detected. ... 2.2 engine that is really driving me nuts. The timing belt tensioner bar broke, the timing belt broke and the valves bent. With such high mileage we opted to install a used engine. We replaced the water pump and timing belt on the engine before installatio...	March 09, 2004
	1996 Volkswagen Jetta GLX 2.8L Misfire, MIL Lamp on VIN: 3VWTD81H4T P0301: 1 cylinder misfire. mil on constantly with 2 codes listed, but they're both the same. i have never seen this before. occasionally, the mil fashes rapidly. it sometimes will stop after a few miles. sometimes it will not stop flashing until you stop and shut the car down for 5 or s...	March 15, 2004
	1998 Land Rover Range Rover SE 4.0L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: SALPV1240W P0301: misfire - cylinder 1. customer states "engine power loss while driving at highway speeds. vehicle will not go over 30 m.p.h. and oil pressure light comes on." however i cannot duplicate this problem. after driving for about thirty miles, the oil pressure light comes on inte...	March 16, 2004
	1995 Porsche 911 Carrera 3.6L MIL Lamp on VIN: WPOAA2999T P0301: Miss Cylinder 1 Detected. Car came in a week ago running rough.We found the air boot closest to the firewall on drivers side split open. At the same time we recorded codes for missfire which we dismissed thinking the air boot was the culprit.Codes were cleared after repairs, then road ...	March 16, 2004
	2000 Honda Odyssey EX 3.5L Misfire VIN: 2HKRL1864Y P0301: Cylinder 1 Misfire Detected. Hey Honda People, This Oddessy is trying to get me. The codes will reset so intermitantly that it is hard to tell if fixed. One thing the customer has noted is when this code resets it also flashes the traction control light. That however always resets with n...	March 17, 2004
	1997 Ford Ranger Splash 2.3L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1FTCR14A4V P0301: misfire cylinder 1. hey all, i have a real peculiar situation here. my problem is a misfire in cyl. 1 or 2 (or both) when throttle is allowed to close suddenly (when snapped or coming to stops). if rpm is increased and decreased slowly engine runs fine, however when throttle is s...	March 19, 2004
	1999 Chrysler Concorde LXi 3.2L Misfire, MIL Lamp on VIN: 2C3HD46JOX P0301: Cylinder 1 Misfire Detected. This car came in with the customer complaint the service engine light was on and it was running bad. We scanned the computer system and found a trouble code # 301. Took it for a ride witht the scanner . It showed misfire numbers of 200 to 300 only when we wer...	March 20, 2004
	2000 Kia Sportage 2.0L Misfire, MIL Lamp on VIN: KNDJB723XY P0301: Cylinder 1 Misfire Detected. ... problem goes away when warm. previous shop had replaced spark plugs with autolites, taped up carbon tracked plug boot as he was unable to get parts from dealer. we replaced both coils and wires and replaced plugs with ngk v type #2756. problem is still pre...	March 26, 2004
	2000 Hyundai Sonata GLS 2.5L Cuts out, MIL Lamp on VIN: KMHWF35V8Y P0301: Cylinder 1 Misfire Detected. hello to all,this thing has been everywhere, and has everything shy of the ole' kitchen sink thrown at it. here's may problem, scanned codes all codes po301 through po306 are stored in memory, if i clear the codes and drive the car it takes aprox 18-20 miles t...	March 30, 2004
	1998 Dodge B1500 3.9L MIL Lamp on VIN: 2B6HB11X9W P0301: Cylinder 1 Misfire Detected. while driving at cruise the mil will come on you will not notice a miss and it will set po300 301 or 303. we took the van to the dealer for updates removed fuel rail found no rust on injectors cleane dwith motor vac machine.replaced plugs with champ plugs.	March 31, 2004
	1999 Nissan Sentra SE 2.0L Hesitation, Misfire, MIL Lamp on VIN: 3N1BB41D8X P0301: Cylinder 1 Misfire Detected. mil on code po301 checked system found egr valve opening causing stumble under load at 1500 rpm setting po301 cyl 1 missfire i have checked or replaced the egr valve bpt valve egr sol checked power and grounds everything ok i am thinking maybe the intake manif...	March 31, 2004