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P0304 Diagnostic Trouble Code Discussion for January 2007

Cylinder 4 Misfire Detected


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Trouble Ticket Help Requests for DTC P0304
Help Request Posted
1999 Acura TL 3.2L Misfire, MIL Lamp on VIN: 19UUA651XA
P0304: Cylinder 4 Misfire Detected. Thank you in advance for any help with this one. first came in with #2 and #5 cylinders misfiring. customer picked up car. Cleared codes. Came back for further diagnostic, had misfire codes for 2,3,4,5,6 cylinders. all tests listed done today. It only seems to...
January 02, 2007
2003 Dodge Intrepid SE 2.7L Misfire, MIL Lamp on VIN: 2B3HD46R64
P0304: Cylinder 4 Misfire Detected. This car came to us with a missfire. Checked all basic compression, coil, fuel injector, vacume leaks, Noticed cam & crank have no sync. Found TSB concerning sludge and a malfunction with auto tensioner and cam timing. It suggest disconnecting the cam sens...
January 02, 2007
1997 Dodge Grand Caravan 3.0L Misfire, MIL Lamp on VIN: 2B4GP2438V
P0304: Cylinder 4 Misfire Detected. ... code P0304 (Cylinder 4 misfire). Repairs done: Went to dodge to get new 8-way connector, 1/2 was the set that goes to the 6 injectors, and 1 wire to ASD relay - other 1/2 goes to main wiring harness - fuel injector side, $80.00, harness side connector, $1...
January 03, 2007
2000 Honda Accord EX 3.0L No Start, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1HGCG1652Y
P0304: Cylinder 4 Misfire Detected. Thanks in advance. This vehicle is my own personal vehicle. This vehicle has been acting up very intermittently for the past year. It won't start back up after a HOT soak. Last night I noticed while driving the vehicle it started to misfire and run really roug...
January 03, 2007
2000 Honda Accord EX 3.0L No Start, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1HGCG1652Y
P0304: Cylinder 4 Misfire Detected. Thanks in advance. This vehicle is my own personal vehicle. This vehicle has been acting up very intermittently for the past year. It won't start back up after a HOT soak. Last night I noticed while driving the vehicle it started to misfire and run really roug...
January 04, 2007
2003 Ford Focus ZTS 2.0L Poor Idle Quality, Misfire VIN: 1FAFP38323
P0304: misfire cylinder 4. What I have is an engine with low vaccum and it varies like a valve is bad. My running compression is 120-150lbs. I've never experienced it that high before. This engine doesn't have VVT or variable induction. I've had a spark checker in and it easily fires 25...
January 08, 2007
1999 Chrysler Sebring JX 2.5L Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 3C3FL45H5X
P0304: Cylinder 4 Misfire Detected. Hi all Sebring JX Conv. About 6 months ago installed new dist. with new cap and rotor, replaced ignition wires and spark plugs. Car had ran fine for that period. Customer saw low oil pressure light come on and rather than check oil just poured in a quart, next...
January 09, 2007
1997 Ford Aerostar 3.0L Misfire, MIL Lamp on VIN: 1FMDA11U7V
HI Y'ALL !!! I got a crazy Ford here. The mil flashes now when driving, I dont feel ANY MISFIRE) the cam sensor was bad as stated we replaced it and set everything to Cyl #1. I know it wont set any misfire codes without cam sensor signal. NOW the light starts ...
January 09, 2007
1998 Ford Windstar GL 3.8L Cuts out, Misfire, MIL Lamp on VIN: 2FMZA5145W
P0304: cyl misfire 4. ... came in for cranks no start condition-was supposed to be towed in but started & was able to be driven in by customer.Problem starts when engine is hot only-pulled mil codes p0300,p0304,p0305-random & misfire cyls...
January 10, 2007
1996 Chevrolet Blazer 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNDT13WOT
P0304: Cylinder 4 Misfire Detected. check spark, compression and so on. found that injectors on cylinder #5 and #6 were stuck open. when remove the intake for warranty service found all the injector tubings were burn. trying to determine why injector were burn other than maybe backfiring. cust d...
January 11, 2007
2001 Volvo S40 1.9L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: YV1VS29511
P0304: misfire 3. hey all,thanks in advance this volvo has us stumped has cold running problem.it is running rich when cold.check map sensor reads 0 hg @ idle when running bad,maf shows 15 grams per sec.@ idle when running bad ,ltft add 10% and stft adding 18%.spark plugs wet w...
January 12, 2007
2001 Ford Escape XLT 3.0L Misfire, MIL Lamp on VIN: 1FMYU03111
P0304: cyl 4 missfire. swaped coils and plugs but miss does not move this happens only when cold ( below 40 f ) have checked dpfe
January 19, 2007
2001 Volvo S40 1.9L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: YV1VS29511
P0304: misfire 3. hey all,thanks in advance this volvo has us stumped has cold running problem.it is running rich when cold.check map sensor reads 0 hg @ idle when running bad,maf shows 15 grams per sec.@ idle when running bad ,ltft add 10% and stft adding 18%.spark plugs wet w...
January 22, 2007
2003 Honda CR-V EX 2.4L No Start, Poor Idle Quality, Misfire VIN: JHLRD78883
P0304: Cylinder 4 Misfire Detected. ... light on and vehicle overheats. Coolant had been converted to green antifreeze due to an early accident. Radiator had been replaced. I found no external leaks. I added 1 gallon of antifreeze. I discovered coolant behind the throttle plate and in the upper ...
January 24, 2007
2002 Ford Taurus LX 3.0L Misfire, MIL Lamp on VIN: 1FAFP55S32
P0304: miss cyl 4. has miss on all front cylinders at idle seams to run ok at higher rpm,spark is ok with spark tester st125,can not find any vac leaks with carb cleaner,fuel pressure is 35psi and rises when you snap throttle.car drives fine at highway speeds but when you stop i...
January 28, 2007
1998 Mercedes-Benz ML320 3.2L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 4JGAB54E0W
P0304: Cyl. 4 Missfire. Vehicle came in for missfire, poor idle, hesitation, will not exceed 15 MPH. EMC is shutting injectors down to Cyl. #4,#5,#6. Vehicle has had new cyl. #6 coil and MAF sensor. Customer also has complete tune up before it came to our facility.
January 30, 2007
1999 Acura TL 3.2L Misfire, MIL Lamp on VIN: 19UUA651XA
P0304: Cylinder 4 Misfire Detected. Thank you in advance for any help with this one. first came in with #2 and #5 cylinders misfiring. customer picked up car. Cleared codes. Came back for further diagnostic, had misfire codes for 2,3,4,5,6 cylinders. all tests listed done today. It only seems to...
January 02, 2007
2003 Dodge Intrepid SE 2.7L Misfire, MIL Lamp on VIN: 2B3HD46R64
P0304: Cylinder 4 Misfire Detected. This car came to us with a missfire. Checked all basic compression, coil, fuel injector, vacume leaks, Noticed cam & crank have no sync. Found TSB concerning sludge and a malfunction with auto tensioner and cam timing. It suggest disconnecting the cam sens...
January 02, 2007
1997 Dodge Grand Caravan 3.0L Misfire, MIL Lamp on VIN: 2B4GP2438V
P0304: Cylinder 4 Misfire Detected. ... code P0304 (Cylinder 4 misfire). Repairs done: Went to dodge to get new 8-way connector, 1/2 was the set that goes to the 6 injectors, and 1 wire to ASD relay - other 1/2 goes to main wiring harness - fuel injector side, $80.00, harness side connector, $1...
January 03, 2007
2000 Honda Accord EX 3.0L No Start, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1HGCG1652Y
P0304: Cylinder 4 Misfire Detected. Thanks in advance. This vehicle is my own personal vehicle. This vehicle has been acting up very intermittently for the past year. It won't start back up after a HOT soak. Last night I noticed while driving the vehicle it started to misfire and run really roug...
January 03, 2007
2000 Honda Accord EX 3.0L No Start, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1HGCG1652Y
P0304: Cylinder 4 Misfire Detected. Thanks in advance. This vehicle is my own personal vehicle. This vehicle has been acting up very intermittently for the past year. It won't start back up after a HOT soak. Last night I noticed while driving the vehicle it started to misfire and run really roug...
January 04, 2007
2003 Ford Focus ZTS 2.0L Poor Idle Quality, Misfire VIN: 1FAFP38323
P0304: misfire cylinder 4. What I have is an engine with low vaccum and it varies like a valve is bad. My running compression is 120-150lbs. I've never experienced it that high before. This engine doesn't have VVT or variable induction. I've had a spark checker in and it easily fires 25...
January 08, 2007
1999 Chrysler Sebring JX 2.5L Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 3C3FL45H5X
P0304: Cylinder 4 Misfire Detected. Hi all Sebring JX Conv. About 6 months ago installed new dist. with new cap and rotor, replaced ignition wires and spark plugs. Car had ran fine for that period. Customer saw low oil pressure light come on and rather than check oil just poured in a quart, next...
January 09, 2007
1997 Ford Aerostar 3.0L Misfire, MIL Lamp on VIN: 1FMDA11U7V
HI Y'ALL !!! I got a crazy Ford here. The mil flashes now when driving, I dont feel ANY MISFIRE) the cam sensor was bad as stated we replaced it and set everything to Cyl #1. I know it wont set any misfire codes without cam sensor signal. NOW the light starts ...
January 09, 2007
1998 Ford Windstar GL 3.8L Cuts out, Misfire, MIL Lamp on VIN: 2FMZA5145W
P0304: cyl misfire 4. ... came in for cranks no start condition-was supposed to be towed in but started & was able to be driven in by customer.Problem starts when engine is hot only-pulled mil codes p0300,p0304,p0305-random & misfire cyls...
January 10, 2007
1996 Chevrolet Blazer 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNDT13WOT
P0304: Cylinder 4 Misfire Detected. check spark, compression and so on. found that injectors on cylinder #5 and #6 were stuck open. when remove the intake for warranty service found all the injector tubings were burn. trying to determine why injector were burn other than maybe backfiring. cust d...
January 11, 2007
2001 Volvo S40 1.9L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: YV1VS29511
P0304: misfire 3. hey all,thanks in advance this volvo has us stumped has cold running problem.it is running rich when cold.check map sensor reads 0 hg @ idle when running bad,maf shows 15 grams per sec.@ idle when running bad ,ltft add 10% and stft adding 18%.spark plugs wet w...
January 12, 2007
2001 Ford Escape XLT 3.0L Misfire, MIL Lamp on VIN: 1FMYU03111
P0304: cyl 4 missfire. swaped coils and plugs but miss does not move this happens only when cold ( below 40 f ) have checked dpfe
January 19, 2007
2001 Volvo S40 1.9L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: YV1VS29511
P0304: misfire 3. hey all,thanks in advance this volvo has us stumped has cold running problem.it is running rich when cold.check map sensor reads 0 hg @ idle when running bad,maf shows 15 grams per sec.@ idle when running bad ,ltft add 10% and stft adding 18%.spark plugs wet w...
January 22, 2007
2003 Honda CR-V EX 2.4L No Start, Poor Idle Quality, Misfire VIN: JHLRD78883
P0304: Cylinder 4 Misfire Detected. ... light on and vehicle overheats. Coolant had been converted to green antifreeze due to an early accident. Radiator had been replaced. I found no external leaks. I added 1 gallon of antifreeze. I discovered coolant behind the throttle plate and in the upper ...
January 24, 2007
2002 Ford Taurus LX 3.0L Misfire, MIL Lamp on VIN: 1FAFP55S32
P0304: miss cyl 4. has miss on all front cylinders at idle seams to run ok at higher rpm,spark is ok with spark tester st125,can not find any vac leaks with carb cleaner,fuel pressure is 35psi and rises when you snap throttle.car drives fine at highway speeds but when you stop i...
January 28, 2007
1998 Mercedes-Benz ML320 3.2L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 4JGAB54E0W
P0304: Cyl. 4 Missfire. Vehicle came in for missfire, poor idle, hesitation, will not exceed 15 MPH. EMC is shutting injectors down to Cyl. #4,#5,#6. Vehicle has had new cyl. #6 coil and MAF sensor. Customer also has complete tune up before it came to our facility.
January 30, 2007