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P0302 Diagnostic Trouble Code Discussion for August 2007

Cylinder 2 Misfire Detected


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Trouble Ticket Help Requests for DTC P0302
Help Request Posted
2004 Dodge Ram 1500 ST 4.7L Misfire, MIL Lamp on VIN: 1D7HA18NX4
P0302: misfire cyl 2. ... truck came in with check engine light on for misfire on number 2 cyl. and a genral misfire code p0300. i pulled the plug out and it was the oem plug so a chaged all 8 and put in a new coil on number 2. drove the truck with no problems found. a week later t...
August 02, 2007
2002 Toyota Sienna LE 3.0L Misfire, MIL Lamp on VIN: 4T3ZF13C9Z
P0302: Cylinder 2 Misfire Detected. This one has me stumped. It is definitely misfiring and it shows on the Toyota scanner. The STFT on bank 2 is -20% at idle and -5% to -6% at 2500 rpm. Bank 1 trims are near 0. The plugs show signs of over fueling. The Bank 2 VVT never shows to activate like th...
August 06, 2007
2000 Ford Escort ZX2 2.0L Misfire, MIL Lamp on VIN: 3FAKP1138Y
P0302: Misfire detected cylinder 2. This car came in for a tuneup. He had driven it for about an hour and it was bucking/jerking on acceleration, but not like a single cylinder misfire. I took him home while this was happening, but the next day when we had time to work on it, it was running go...
August 10, 2007
1998 Volvo S70 GLT 2.4L MIL Lamp on VIN: YV1LS5671W
P0302: cyl 2 misfire. The vehicle when driven less than 10 miles will have the misfire codes pending. On the next drive cycle, trouble codes will be present. WE have done a major tune up with Bosch parts, including plugs, wires, cap and rotor. Also the fuel injectors have been serv...
August 10, 2007
2003 Audi A4 1.8L MIL Lamp on VIN: WAUJC68E63
P0302: misfire cyl.2. This Audi came in with the above codes. Thought maybe the low voltage code may be a sign of what caused the misfire codes, so checked power at term#3 of control moduel, and grounds at Terms# 1$2. All check ok, grounds are clean and tight under the abs pump. Al...
August 13, 2007
2001 Dodge Dakota 3.9L Misfire VIN: 1B7GL22X41
P0302: Cylinder 2 Misfire Detected. Techs: have a Dakota pick up that at times will misfire on cylinders 2, 4 and 6 only. Fuel pressure is good (50 psi) and I am thinking something with intake since it is only happening on the right side. Any info much appreciated!!
August 16, 2007
1999 Ford Ranger XL 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTYR14V4X
P0302: Misfire 2 Cylinder. Car came in with misfire code set for #2 cylinder. #2 injector was not firing at all but it was being pulsed by the computer. We replaced #2 injector and engine did run better but still had a shakey idle. Checked ignition to all cylinders with scope and all ar...
August 16, 2007
2004 Ford Ranger Edge 3.0L Misfire, MIL Lamp on VIN: 1FTYR44U34
P0302: 2 Cylinder Miss Fire. ... usually under heavy load. When this happens the engine light flashes and the truck wont get out of its own way. Misses very badly. If you let off of the throttle the miss clears up after about 15 seconds and the engine light will either stay lit or sometim...
August 16, 2007
1998 Mitsubishi Diamante LS 3.5L Misfire, MIL Lamp on, Lack of Power VIN: 6MMAP57P3W
P0302: Cylinder 2 Misfire Detected. Car came in with intermittent miss and lack of power. Scan tested and found code PO304. Replaced ign. wires and v/c gaskets. Small amount of oil in plug holes. Wires were original and KV tested high. Inspected plugs. Has Iridium NGk plugs and they are at .043 ...
August 16, 2007
1999 Ford F-150 Lariat 5.4L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FTRX17L7X
P0302: 2 misfire. truck came in and found the below codes in the computer. replaced all spark plugs and they where at 80-85 thousands gap when i pulled them out. finished tune up and restarted truck but was still not idling very good. started to check for other codes and found ...
August 17, 2007
2001 Nissan Pathfinder LE 3.5L Misfire, MIL Lamp on, p1320 VIN: JN8DR07Y41
P0302: Cylinder 2 Misfire Detected. ... comming on intermitantly. at that time we found the 2 pending codes. p0420b p1320. we replaced the b1 cat and returned vehicl to customer. car came back with hard failures p0302 #2 missfire and p1320 primery ignition sign...
August 17, 2007
1996 Volvo 850 GLT 2.4L Poor Idle Quality, Misfire VIN: YV1LW5548T
P0302: misfire cyl2. This vehicle is missing on 2 cylinders. The fuel pressure is 45 psi at idle, and when I disconnect the fuel pressure regulator there is no change in fuel pressure, the regulator is in between #1 & #2 cylinder (so have I answered my own question?). Compress...
August 22, 2007
1996 Volvo 850 GLT 2.4L Poor Idle Quality, Misfire VIN: YV1LW5548T
P0302: misfire cyl2. This vehicle is missing on 2 cylinders. The fuel pressure is 45 psi at idle, and when I disconnect the fuel pressure regulator there is no change in fuel pressure, the regulator is in between #1 & #2 cylinder (so have I answered my own question?). Compress...
August 23, 2007
2004 Isuzu Rodeo S 3.5L Misfire, MIL Lamp on VIN: 4S2CK58Y44
P0302: Cylinder 2 Misfire Detected. ... 2004 Rodeo with a p0302 misfire #2.Suspected ign problem so we switched coil and spark plug with other cyl.with no change.Lt fuel trim bank 1 is -10% and bank 2 is -17%.Checked compression all cyl.'s #2 is 5psi lower @ 260psi.Any ideas? Starting to think s...
August 28, 2007
2002 Ford Escort SE 2.0L Poor Idle Quality VIN: 3FAFP13P42
P0302: cyl 2 misfire. Customer let heater core leak too long, ran it low on coolant and head gasket failed. We replaced the head gasket and other parts listed above. Customer took possession of car knowing the idle air control was bad as it wouldn't idle. Came back next week and ha...
August 29, 2007
2002 Toyota Sienna LE 3.0L Misfire, MIL Lamp on VIN: 4T3ZF13C9Z
P0302: Cylinder 2 Misfire Detected. This one has me stumped. It is definitely misfiring and it shows on the Toyota scanner. The STFT on bank 2 is -20% at idle and -5% to -6% at 2500 rpm. Bank 1 trims are near 0. The plugs show signs of over fueling. The Bank 2 VVT never shows to activate like th...
August 29, 2007
1999 Volkswagen Jetta GL 2.0L Poor Idle Quality, Misfire, MIL Lamp on, POOR OFF IDLE VIN: 3VWRC29M5X
P0302: miss cyl 2. Ok VW Techs I could really use your help on this one! It is really throwing me for a loop. After working on Audis the last 15 years i have been working on VWs the last 4 months. I am amazed how different they can be. Anyway, when you start the car it idles fin...
August 30, 2007
1998 Volvo S70 2.4L MIL Lamp on VIN: YV1LS576W1
P0302: cyl 2 misfire. This car will set misfire codes intermittantly, no driveability concerns. Freeze frame showed STFT -7.8% LTFT 3.9%. Have performed smoke test for intake leaks, car has plenty of power and runs very smooth. Last time car was in for check engine light it had the...
August 30, 2007