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P0304 Diagnostic Trouble Code Discussion for April 2018

Cylinder 4 Misfire Detected


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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
2006 Jeep Liberty Sport 3.7L Poor Idle Quality, Misfire VIN: 1J4GK48K16
P0304: Cylinder 4 Misfire Detected. need help, removed head and had valve job done because of burnt exhaust valve on #2 now engine is running very rough and has set a misfire code for #4 and if you look at misfire in mode 6 its shows misfires on all cylinders on right bank 2-4-6. replaced pl...
April 12, 2018
2003 Toyota Avalon XL 3.0L Poor Idle Quality, MIL Lamp on VIN: 4T1BF28B63
P0304: Cylinder 4 Misfire Detected. Vehicle came to us running very rough with misfires on all bank 2 cylinders. We pressure tested the bank 2 converter and confirmed the converter wasn't plugged. We cleaned the maf and installed a upstream air fuel sensor on bank 2 with no change to the fuel tr...
April 13, 2018
2007 Honda Odyssey EX 3.5L Misfire, MIL Lamp on
P0304: Cylinder 4 Misfire Detected. Hello to all need you help here guys This van making me crazy Has misfire on idle when cold on all cylinders After runing 1 min check engine blinking for another min after 5 min runs new I can drive all day long without problem Now the fun begin Adjust valves ...
April 24, 2018
2011 Land Rover Range Rover Sport Supercharged 5.0L Poor Idle Quality, Misfire VIN: SALSH2E4XB
Vehicle came in with P0171 code and fuel pressure codes. Replaced both high pressure fuel pumps along with high pressure fuel sensor and fuel codes went away but P0171 was apparent after numerous key cycles. Smoke tested engine and found passenger side val...
April 26, 2018
2011 Land Rover Range Rover Sport Supercharged 5.0L Poor Idle Quality, Misfire VIN: SALSH2E4XB
Vehicle came in with P0171 code and fuel pressure codes. Replaced both high pressure fuel pumps along with high pressure fuel sensor and fuel codes went away but P0171 was apparent after numerous key cycles. Smoke tested engine and found passenger side val...
April 27, 2018
2007 Honda Odyssey EX 3.5L Misfire, MIL Lamp on
P0304: Cylinder 4 Misfire Detected. Hello to all need you help here guys This van making me crazy Has misfire on idle when cold on all cylinders After runing 1 min check engine blinking for another min after 5 min runs new I can drive all day long without problem Now the fun begin Adjust valves ...
April 30, 2018