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P0306 Diagnostic Trouble Code Discussion for April 2007

Cylinder 6 Misfire Detected


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Trouble Ticket Help Requests for DTC P0306
Help Request Posted
1998 Toyota 4Runner SR5 3.4L No Start VIN: JT3GN86R3W
P0306: Cylinder 6 Misfire Detected. Customer dropped this 4-Runner off at my front door w/a note stating that it ran rough for a moment and that the Chk Engine light illuminated briefly. I quickly scanned for codes in the ECM. (PO306 MISFIRE DETECTED CYL# 6). Since the engine had the original sp...
April 04, 2007
1998 Toyota 4Runner SR5 3.4L No Start VIN: JT3GN86R3W
P0306: Cylinder 6 Misfire Detected. Customer dropped this 4-Runner off at my front door w/a note stating that it ran rough for a moment and that the Chk Engine light illuminated briefly. I quickly scanned for codes in the ECM. (PO306 MISFIRE DETECTED CYL# 6). Since the engine had the original sp...
April 05, 2007
1998 Chevrolet Astro 4.3L Poor Idle Quality VIN: 1GBDM19W2W
P0306: Cylinder 6 misfire. Have this 98 Astro that is driving me nuts!!! Only code shown was a 0306. Truck was running rich. After a complete tune up- most components were original - plugs, cap, rotor, wires (all Delco, problem was still there. Ran a compression test and found #6 was sl...
April 15, 2007
1998 Chevrolet Astro 4.3L Poor Idle Quality VIN: 1GBDM19W2W
P0306: Cylinder 6 misfire. Have this 98 Astro that is driving me nuts!!! Only code shown was a 0306. Truck was running rich. After a complete tune up- most components were original - plugs, cap, rotor, wires (all Delco, problem was still there. Ran a compression test and found #6 was sl...
April 16, 2007
2002 Jaguar X-Type 3.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: SAJEA51C4Z
P0306: cyl 6 misfire. this vehicle came into the shop with misfire codes on drivers bank,rough run and some engine noise. found fuel in oil& fouled plugs.checked compression(fine) replace fuel fouled plugs,changed oil,cleared codes. on road test ran fine at first and then same ...
April 18, 2007
2002 Jeep Grand Cherokee Laredo 4.0L Misfire VIN: 1J4GW48S32
P0306: Cylinder 6 Misfire Detected. ... sensor with aftermarket part still no start.Replaced oil pump,cam sensor drive shaft(was seized up broke tooth on driven gear.Vehicle ran but when road tested under heavy load would start to misfire cel light came on and stored p0300,p0306.Tried different ...
April 19, 2007
1999 Ford F-250 Super Duty Lariat 5.4L No Start VIN: 1FTNX20L6X
P0306: Fault Cylinder 6 Misfire Detected. ... this thing will not start unless you leave the key on for about a minute then crank it and it starts up fine and runs normally, it does have an intermittent misfire on cyl #6 and codes P0300, p0306. During cranking the scanner displays 0 rpm, I believe the...
April 27, 2007
1998 Toyota 4Runner SR5 3.4L No Start VIN: JT3GN86R3W
P0306: Cylinder 6 Misfire Detected. Customer dropped this 4-Runner off at my front door w/a note stating that it ran rough for a moment and that the Chk Engine light illuminated briefly. I quickly scanned for codes in the ECM. (PO306 MISFIRE DETECTED CYL# 6). Since the engine had the original sp...
April 04, 2007
1998 Toyota 4Runner SR5 3.4L No Start VIN: JT3GN86R3W
P0306: Cylinder 6 Misfire Detected. Customer dropped this 4-Runner off at my front door w/a note stating that it ran rough for a moment and that the Chk Engine light illuminated briefly. I quickly scanned for codes in the ECM. (PO306 MISFIRE DETECTED CYL# 6). Since the engine had the original sp...
April 05, 2007
1998 Chevrolet Astro 4.3L Poor Idle Quality VIN: 1GBDM19W2W
P0306: Cylinder 6 misfire. Have this 98 Astro that is driving me nuts!!! Only code shown was a 0306. Truck was running rich. After a complete tune up- most components were original - plugs, cap, rotor, wires (all Delco, problem was still there. Ran a compression test and found #6 was sl...
April 15, 2007
1998 Chevrolet Astro 4.3L Poor Idle Quality VIN: 1GBDM19W2W
P0306: Cylinder 6 misfire. Have this 98 Astro that is driving me nuts!!! Only code shown was a 0306. Truck was running rich. After a complete tune up- most components were original - plugs, cap, rotor, wires (all Delco, problem was still there. Ran a compression test and found #6 was sl...
April 16, 2007
2002 Jaguar X-Type 3.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: SAJEA51C4Z
P0306: cyl 6 misfire. this vehicle came into the shop with misfire codes on drivers bank,rough run and some engine noise. found fuel in oil& fouled plugs.checked compression(fine) replace fuel fouled plugs,changed oil,cleared codes. on road test ran fine at first and then same ...
April 18, 2007
2002 Jeep Grand Cherokee Laredo 4.0L Misfire VIN: 1J4GW48S32
P0306: Cylinder 6 Misfire Detected. ... sensor with aftermarket part still no start.Replaced oil pump,cam sensor drive shaft(was seized up broke tooth on driven gear.Vehicle ran but when road tested under heavy load would start to misfire cel light came on and stored p0300,p0306.Tried different ...
April 19, 2007
1999 Ford F-250 Super Duty Lariat 5.4L No Start VIN: 1FTNX20L6X
P0306: Fault Cylinder 6 Misfire Detected. ... this thing will not start unless you leave the key on for about a minute then crank it and it starts up fine and runs normally, it does have an intermittent misfire on cyl #6 and codes P0300, p0306. During cranking the scanner displays 0 rpm, I believe the...
April 27, 2007