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P0304 Diagnostic Trouble Code Discussion for November 2008

Cylinder 4 Misfire Detected


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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
1998 Acura NSX 3.2L Misfire, MIL Lamp on VIN: JH4NA216XW
P0304: Cylinder 4 Misfire Detected. Hello Every one! This car has me stumped although I can find limited information on the ignition control module and the spark detection module? I am suspecting the computer drivers since the firing order is in that sequence (4-2)The Crankshaft/camshaft positio...
November 03, 2008
2001 Acura MDX Touring 3.5L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, Barely runs, not dri VIN: 2HNYD18861
P0304: Cylinder 4 Misfire Detected. Hello Honda and Acura Gurus! boy do I need your help on this one. This truck has been rode hard and put up wet! What have I gotten myself into this time! What it boils down to is that this truck is running extremely rich, loading up with fuel. So rich it alrea...
November 03, 2008
2002 BMW 540i 4.4L Stall, MIL Lamp on VIN: WBADN6342G
P0304: 4 misfire. bmw tech, please help. we recently did a trans service. car came back with service enine light on. customer complaint about car shaking yesterday, but we cannot duplicate any problem at this time. 5dtcs in engine contorl system. pull out coil-no oil contanimed...
November 03, 2008
2001 Mazda Miata 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: JM1NB35301
P0304: Cylinder 4 Misfire Detected. the last time the car came in we did a compression check, (150 psi all) cylinder leak test (slight leak by rings) smoke check (replace leaking egr valve, recheck coil and spark plug wires, exhaust cam timing off one tooth,(reset cam timing, after resetting cam...
November 03, 2008
2001 Acura MDX Touring 3.5L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, Barely runs, not dri VIN: 2HNYD18861
P0304: Cylinder 4 Misfire Detected. Hello Honda and Acura Gurus! boy do I need your help on this one. This truck has been rode hard and put up wet! What have I gotten myself into this time! What it boils down to is that this truck is running extremely rich, loading up with fuel. So rich it alrea...
November 04, 2008
2001 Lexus RX300 3.0L Misfire VIN: JTJHF10U31
P0304: cylinder 4 miss-fire. ... engine miss-fires p0300 303,304,305 and vsc light is on. a slight skip can be felt under load. checked all grounds around intake plenum. spark plugs are correct p/n and appear to be fairly new. cleared codes. only codes that return under load are p0300, 30...
November 05, 2008
2000 Dodge Intrepid 2.7L MIL Lamp on VIN: 2B3HD46R4Y
P0304: Cylinder 4 Misfire Detected. Could use some advise on this one. Check Engine light comes back on after 100 miles.
November 08, 2008
2000 Ford F-350 Super Duty XL 6.8L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1FCWW37S02
P0304: Fault Cylinder 4 Misfire Detected. ... advance for helping me out on this head scratcher! This is a Big equipment utility truck with a big walk in storage box on back. It came in about two weeks ago with complaints of no power and possible misfire. Hooked up scan tool and read the codes in mode...
November 10, 2008
2000 Ford F-350 Super Duty XL 6.8L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1FCWW37S02
P0304: Fault Cylinder 4 Misfire Detected. ... advance for helping me out on this head scratcher! This is a Big equipment utility truck with a big walk in storage box on back. It came in about two weeks ago with complaints of no power and possible misfire. Hooked up scan tool and read the codes in mode...
November 11, 2008
2001 Cadillac Catera 3.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: W06VR54R11
P0304: Cylinder 4 Misfire Detected. once communication was restore with the trans. module after replacing the ebtcm once the car is started and running, all be it poorly the transmission mil light comes on and the computer stores a p1700.
November 13, 2008
2000 Lincoln LS 3.9L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1LNHM87A7Y
P0304: Cylinder 4 miss fire detected. Please help! I got this car in 2 days ago and i checked fuel pressure, i ohmed the injecters, i did a balance test and pressure drop, i changed the spark plugs, i checked the ignition coils by switching them from a cylinder that didn't have a code, i checked t...
November 19, 2008
1999 Ford Explorer XL 4.0L Misfire, MIL Lamp on VIN: JFMYU22X9X
P0304: Cylinder 4 misfire. Vehicle has misfire at cylinder #4, this is the second time we are dealing with this problem. The misfire was doe to excessive corrosion build-up in spark plug hole, this condition was preventing a good grounded spark plug. the fix was clean hole ( the thread ...
November 21, 2008
2000 Lincoln LS 3.9L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1LNHM87A7Y
P0304: cyl 4 misfire. Vehicle came in for coolant lite on and loss of power.Found to be 1/2 gallon low on coolant and very little heat output.Replaced t-stat,pressure tested cooling system,no leaks found.Found inop aux. water pump,replaced it now have good heat and no overheating p...
November 22, 2008
2005 Ford E-250 5.4L Poor Idle Quality, Stall, Misfire VIN: 1FTNE24L05
P0304: Cyl 4 misfire. ... after the initial repairs with a stalling condition. I test drove the vehicle but was unable to get the vehicle to stall. Customer advised the vehicle mainly stalls when cold. Let vehicle sit overnight and test drove the next morning. Vehicle ran rough at ...
November 28, 2008
1998 Acura NSX 3.2L Misfire, MIL Lamp on VIN: JH4NA216XW
P0304: Cylinder 4 Misfire Detected. Hello Every one! This car has me stumped although I can find limited information on the ignition control module and the spark detection module? I am suspecting the computer drivers since the firing order is in that sequence (4-2)The Crankshaft/camshaft positio...
November 03, 2008
2001 Acura MDX Touring 3.5L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, Barely runs, not dri VIN: 2HNYD18861
P0304: Cylinder 4 Misfire Detected. Hello Honda and Acura Gurus! boy do I need your help on this one. This truck has been rode hard and put up wet! What have I gotten myself into this time! What it boils down to is that this truck is running extremely rich, loading up with fuel. So rich it alrea...
November 03, 2008
2002 BMW 540i 4.4L Stall, MIL Lamp on VIN: WBADN6342G
P0304: 4 misfire. bmw tech, please help. we recently did a trans service. car came back with service enine light on. customer complaint about car shaking yesterday, but we cannot duplicate any problem at this time. 5dtcs in engine contorl system. pull out coil-no oil contanimed...
November 03, 2008
2001 Mazda Miata 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: JM1NB35301
P0304: Cylinder 4 Misfire Detected. the last time the car came in we did a compression check, (150 psi all) cylinder leak test (slight leak by rings) smoke check (replace leaking egr valve, recheck coil and spark plug wires, exhaust cam timing off one tooth,(reset cam timing, after resetting cam...
November 03, 2008
2001 Acura MDX Touring 3.5L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, Barely runs, not dri VIN: 2HNYD18861
P0304: Cylinder 4 Misfire Detected. Hello Honda and Acura Gurus! boy do I need your help on this one. This truck has been rode hard and put up wet! What have I gotten myself into this time! What it boils down to is that this truck is running extremely rich, loading up with fuel. So rich it alrea...
November 04, 2008
2001 Lexus RX300 3.0L Misfire VIN: JTJHF10U31
P0304: cylinder 4 miss-fire. ... engine miss-fires p0300 303,304,305 and vsc light is on. a slight skip can be felt under load. checked all grounds around intake plenum. spark plugs are correct p/n and appear to be fairly new. cleared codes. only codes that return under load are p0300, 30...
November 05, 2008
2000 Dodge Intrepid 2.7L MIL Lamp on VIN: 2B3HD46R4Y
P0304: Cylinder 4 Misfire Detected. Could use some advise on this one. Check Engine light comes back on after 100 miles.
November 08, 2008
2000 Ford F-350 Super Duty XL 6.8L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1FCWW37S02
P0304: Fault Cylinder 4 Misfire Detected. ... advance for helping me out on this head scratcher! This is a Big equipment utility truck with a big walk in storage box on back. It came in about two weeks ago with complaints of no power and possible misfire. Hooked up scan tool and read the codes in mode...
November 10, 2008
2000 Ford F-350 Super Duty XL 6.8L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1FCWW37S02
P0304: Fault Cylinder 4 Misfire Detected. ... advance for helping me out on this head scratcher! This is a Big equipment utility truck with a big walk in storage box on back. It came in about two weeks ago with complaints of no power and possible misfire. Hooked up scan tool and read the codes in mode...
November 11, 2008
2001 Cadillac Catera 3.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: W06VR54R11
P0304: Cylinder 4 Misfire Detected. once communication was restore with the trans. module after replacing the ebtcm once the car is started and running, all be it poorly the transmission mil light comes on and the computer stores a p1700.
November 13, 2008
2000 Lincoln LS 3.9L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1LNHM87A7Y
P0304: Cylinder 4 miss fire detected. Please help! I got this car in 2 days ago and i checked fuel pressure, i ohmed the injecters, i did a balance test and pressure drop, i changed the spark plugs, i checked the ignition coils by switching them from a cylinder that didn't have a code, i checked t...
November 19, 2008
1999 Ford Explorer XL 4.0L Misfire, MIL Lamp on VIN: JFMYU22X9X
P0304: Cylinder 4 misfire. Vehicle has misfire at cylinder #4, this is the second time we are dealing with this problem. The misfire was doe to excessive corrosion build-up in spark plug hole, this condition was preventing a good grounded spark plug. the fix was clean hole ( the thread ...
November 21, 2008
2000 Lincoln LS 3.9L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1LNHM87A7Y
P0304: cyl 4 misfire. Vehicle came in for coolant lite on and loss of power.Found to be 1/2 gallon low on coolant and very little heat output.Replaced t-stat,pressure tested cooling system,no leaks found.Found inop aux. water pump,replaced it now have good heat and no overheating p...
November 22, 2008
2005 Ford E-250 5.4L Poor Idle Quality, Stall, Misfire VIN: 1FTNE24L05
P0304: Cyl 4 misfire. ... after the initial repairs with a stalling condition. I test drove the vehicle but was unable to get the vehicle to stall. Customer advised the vehicle mainly stalls when cold. Let vehicle sit overnight and test drove the next morning. Vehicle ran rough at ...
November 28, 2008