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P0301 Diagnostic Trouble Code Discussion for November 2010

Cylinder 1 Misfire Detected

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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2006 Dodge Ram 1500 SRT-10 8.3L Misfire, MIL Lamp on, plug gap VIN: 3D7HA18H96
P0301: cyl. 1 misfire. Hey Guys, I had this truck in about 2 months ago. We found a Cyl. 1 Misfire code. After removing the spark plug,we found the electrode was closed up and the plug was carbon fouled. We replaced all 10 plugs but could not find a reason for the gap closing up.Fo...
November 01, 2010
2006 Ford Five Hundred Limited 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FAHP25166
P0301: misfire cyl 1. We are calling this Ford Five Hundred "the wife" now. I have r&r'd parts, including the intake about 6 times for different tests as needed...tested and retested patterns on the scope(multi discharge spark btw), comparing injector controls and coil ...
November 10, 2010
2004 Volkswagen Passat GLS 1.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: WVWPD63B04
P0301: cylinder 1 misfire. Customer initially came in 2 weeks ago with a overheating condition. Replaced the thermostat and no flow for the cooling system. Found that the waterpump fins were seperated as a result of overheating. Replaced timing belt and waterpump. Accidently got timing ...
November 17, 2010
1998 Kia Sportage EX 2.0L Misfire VIN: KNDJA7231W
P0301: Cylinder 1 Misfire Detected. ... 5 mechanics so far trying to chase down a misfire on cold start up and disappears after engine reached normal operating temp. I extracted trouble codes P0300 P0301 P0302 P0303 P0304, test drove it and it seems to run fine. She states on COLD START UP it m...
November 18, 2010
2001 Volvo S40 1.9L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: YV1VS29531
P0301: Cylinder 1 misfire. Thank you for your help in advance. This vehicle arrived at the shop with only two codes, P0304 and a P0420. No complaint of overheating, only a "shake" when accelerating, and a flashing check engine light. Found misfire. Found coolant low, asked cust...
November 18, 2010
1996 Chevrolet Corsica 2.2L Misfire VIN: 1G1LD5547T
P0301: Cylinder 1 Misfire Detected. I need help i have this it had sat for a long time before i got it i was on my way home for work an it poped a po300 code i gotit down to a po302 number 2 i replaced wires plugs an checked coils plug has good spark an no has no vacum leaks an fuel is if an one...
November 21, 2010
2000 Honda CR-V LX 2.0L Excessive Emissions, Misfire, Poor Fuel Economy, MIL Lamp on VIN: JHLRD1872Y
P0301: Cylinder 1 Misfire Detected. Customer complaint was check engine was on, we scanned vehicle, turned light off, customer drives 100+ miles then comes back in with MIL back on, all 4 codes returned, we scheduled vehicle in & replaced Plugs, wires, cap, rotor & drove for 30 miles, re...
November 22, 2010
1999 Ford F-150 XLT 4.2L Misfire VIN: 1FTZX1721X
P0301: Miss fire on 1. This truck came in with cylinder 1,2,and 3 miss fire we replaced spark plugs wires and a coil,steel runs rough only when it warms up,checked compression it reads 150 lbs on each cylinder,backed off of the rockers and performed a leak down test,it passed on eac...
November 23, 2010
2005 Kia Amanti 3.5L Misfire, MIL Lamp on VIN: KNALD124X5
P0301: Cylinder 1 Misfire Detected. my shop with a hesitation or skip & c.e.l on.Ran diagnostis on vehicle & retrieved trouble codes PO350,PO300,PO301 & PO305.There is no skip @ idle but it does skip under a load.My diagnosis is faulty plug wires.Replaced faulty plug wires & repl...
November 24, 2010
1998 GMC Savana 3500 6.5L Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, Lags, won't Rev up VIN: 1GTHG35FXW
P0301: Cylinder 1 Misfire Detected. This truck just won't go away. I have replaced everything I can think of. Dan suggested a new fuel cap and I got one and this van ran great so I drove it. The van ran fine. I updated my post and the next day this thing started but cannot get out of it's own wa...
November 26, 2010
1998 Honda Accord DX 2.3L Misfire, MIL Lamp on VIN: 1HGCG5644W
P0301: Cylinder 1 Misfire Detected. now i'm asking for HELP. i didn't get car to act up again ,didnot ck. for current when injector did not fire.thought maybe a computor feed problem.has any one seen this problem? thanks so much. gary ps it is a vtec engine
November 26, 2010
2001 Volkswagen Beetle GLS 1.8L Misfire VIN: 3VWED21C31
P0301: Missfire. This car sets a P0301 misfire code intermittently. We moved the plug, coil and injector with number 4 with no change. Fuel trims look great as does idle vacuum. Looking at the misfire counters, they are hitting on cylinder one and it will put a p0301 code in p...
November 26, 2010
2001 Ford Taurus SE 3.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1FAFP55S81
P0301: Cyl 1 missfire. ... runs rough and check engine lt on. Road test and found miss under load. Felt just like carbon tracking plug wires. Found p0301. Checked plugs and wires. Found plugs and wires original. Replaced plugs and wires and plentum o-rings. No change. Pulled plentum...
November 27, 2010
2001 GMC Yukon XL 1500 Denali 6.0L Misfire, MIL Lamp on VIN: 3GKGK26U91
P0301: misfire cyl 1. Hi guys, got a s.o.b. here, this truck will set misfire codes at 70 mph cruise intermittently. the ses light will flash but no misfire is felt. it sets cyl 1 and 6 misfire codes. we changed the fuel pump and filter per customer request with no change. I have s...
November 29, 2010