MISFIRE ON CYLINDER 4 AND 6 WITH AN ENGINE LIGHT ON

Question 1

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2answers

03jeep lbertyrandom missfire cyl 2 4 6check engine light flashing

Check Engine Light/Misfire Due to Intake Valve Locks ...

repairpal.com > Problems > Jeep > Liberty

Jeep Liberty Check Engine Light/Misfire Due to Intake Valve Locks/Valves. ...Misfire cyc 4 and random cyc misfires, changed coil packs and plugs... sounds as if rod ... Light came on again (misfire on cylinder 4) - switched coil from 4 to 2. Light ...

Jeep Liberty Questions - Cylinder Misfire code - CarGurus

www.cargurus.com > Questions > Jeep > Liberty

CarGurusMay 27, 2009 - #4 misfire new plugs and coil pack on #4 light came back on after 300 miles if ... How come it stopped misfiring for 2-3 months, and now is back? ... I have a 2005 Jeep Liberty 6 cylinder, engine light came on scaned the codes ...

Liberty Cylinder Misfire / Computer issue? - JeepForum.com

Nov 28, 2015 • Cars & Trucks

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1answer

2001 buick century P0304 step on gas engine light starts flashing

P0304 is engine misfire #4 cylinder Several things can cause a misfire #1 electrical which you have covered #2 Mechanical Test engine compression is should be around 150 cranking and 120 running . internal valve train components can cause bad compression and the valves then self. #3 fuel injector can be the cause suggest swapping with a know good cylinder and see if misfire follows injector.

Aug 19, 2014 • 2001 Buick Century

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1answer

We have a 2008 jeep commander, check engine light is on. ran a diagnostic because of engine noise, it said cylinder 4 misfire. so far we replaced the or, sparkplug, and coil for cylinder 4, it still h

google jeep commander forums join one and post youre question there if no luck than google grand cherokee forums and try there it is basicially the same vehicle

Feb 05, 2013 • 2008 Jeep Commander

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1answer

Ck engine light is on and miss fire #5

There are few possibilities that can cause engine misfire issues. It can be issue with spark plugs or faulty spark plugs. Also get the compression test done for cylinders. If any of cylinder shows low compression then required, then that particular cylinder will cause misfire.

Also get obd codes scanned, the error code will let you know which cylinder is misfiring or all cylinders are misfiring.

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For your trouble shooting I suggest you to refer the help oinks below. It has step by step details for many engine misfire issues.

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Click the link below:-----

Ford Explorer Cylinder Misfire?

http://whoisbyme.blogspot.in/2012/06/ford-explorer-cylinder-misfire.html

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Engine Misfire codes on Chevrolet Malibu?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html

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Cylinder 6 Misfire?

http://howtobyme.blogspot.com/2011/12/cylinder-6-misfire.html

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Misfire on cylinder 4?

http://schematicsdiagram.blogspot.com/2011/12/misfire-on-cylinder-4.html

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While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

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Ford Explorer 5.0L: Engine Miss?

http://whoisbyme.blogspot.in/2012/06/ford-explorer-50l-engine-miss.html

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Oil on spark plugs and car misfires?

http://technoanswers.blogspot.in/2012/02/oil-on-spark-plugs-and-car-misfires.html

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Can cylinder misfire Damage the Catalytic converter?

http://schematicsdiagram.blogspot.in/2012/02/can-cylinder-misfire-damage-catalytic.html

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Car misfires and error code P0306 and P0303 is shown?

http://technoanswers.blogspot.com/2012/01/car-misfires-and-error-code-p0306-and.html

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Chevrolet K1500 No spark, random misfire

http://repairhelpcenter.blogspot.com/2012/11/chevrolet-k1500-no-sparkrandom-misfire.html

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2004 Ford F150: Engine Misfire and Lean Code?

http://whatisbyme.blogspot.in/2012/05/2004-ford-f150-engine-misfire-and-lean.html

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1995 Toyota LS: Misfire at idle or low RPM

http://whatisbyme.blogspot.in/2012/04/1995-toyota-ls-misfire-at-idle-or-low.html

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Toyota Corolla: Random Misfire?

http://technoanswers.blogspot.in/2012/04/toyota-corolla-random-misfire.html

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2006 Ford Freestar: Misfire on Cylinder Number 2?

http://whatisbyme.blogspot.in/2012/06/2006-ford-freestar-misfire-on-cylinder.html

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This will help.

Thanks.

Nov 28, 2012 • 1994 Lincoln Town Car

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1answer

Missfiring detected in OLDSMOBILE intrigue 2002 3.5L

For engine misfiring problem check the help links mentioned below. Click the link below to go through the troubleshooting procedure :---- Engine misses and truck jumps? Hard to down shift? Issue with high gear only? http://technoanswers.blogspot.in/2012/02/engine-miss-and-truck-jumps-hard-to.html

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Bad miss at idle?

http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html

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While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

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Engine Misfire codes for car?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html
Engine Misfire codes?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html

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Misfire on cylinder 4?

http://schematicsdiagram.blogspot.com/2011/12/misfire-on-cylinder-4.html

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Oil on spark plugs and car misfires?

http://technoanswers.blogspot.in/2012/02/oil-on-spark-plugs-and-car-misfires.html

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This will help.

Thanks.

Jan 30, 2012 • 2002 Oldsmobile Intrigue

5helpful

1answer

Missing,viborating

Misfire could be a number of things:
a) spark plugs - change them if used over 15K miles - inspect/regap.
b) spark plug wires - change them if over 15K miles - inspect
c) ECM (electronic control module) - test with HEI (high energy ignition) tester.

The vibrating tells me that the engine is running on less than its normal compliment of cylinders - the shaking is produced by the imbalance caused in the engine by one (or more) cylinder(s)
not firing at all.

The "Check Engine" light probably is coming on due the the misfire condition. Go to Pep Boys or
Advance Auto Pats, where they'll tell you (free) your codes causing the "Check Engine' light to be
lit - the code coming from your truck's computer will probably be one or more of:
P0300 - Random/Multiple Cylinder misfire detected
P0301 - Cylinder 1 misfire detected
P0302 - Cylinder 2 misfire detected
P0303 - Cylinder 3 misfire detected
P0304 - Cylinder 4 misfire detected
P0305 - Cylinder 5 misfire detected
P0306 - Cylinder 6 misfire detected
P0307 - Cylinder 7 misfire detected
P0308 - Cylinder 8 misfire detected
P0313 - Misfire detected with low fuel

Jun 23, 2011 • 2009 Ford F-150

3helpful

1answer

Vehicle missing,shaking,engine light comes on

Misfire could be a number of things:
a) spark plugs - change them if used over 15K miles - inspect/regap.
b) spark plug wires - change them if over 15K miles - inspect
c) ECM (electronic control module) - test with HEI (high energy ignition) tester.

The shaking tells me that the engine is running on less than its normal compliment of cylinders - the shaking is produced by the imbalance caused in the engine by one (or more) cylinder(s)
not firing at all.

The "Check Engine" light probably is coming on due the the misfire condition. Go to Pep Boys or
Advance Auto Pats, where they'll tell you (free) your codes causing the "Check Engine' light to be
lit - the code coming from your truck's computer will probably be one or more of:
P0300 - Random/Multiple Cylinder misfire detected
P0301 - Cylinder 1 misfire detected
P0302 - Cylinder 2 misfire detected
P0303 - Cylinder 3 misfire detected
P0304 - Cylinder 4 misfire detected
P0305 - Cylinder 5 misfire detected
P0306 - Cylinder 6 misfire detected
P0307 - Cylinder 7 misfire detected
P0308 - Cylinder 8 misfire detected
P0313 - Misfire detected with low fuel

Jun 23, 2011 • 2004 Ford F150

3helpful

2answers

I have a 2001 Lexus LS 430 with 285,000 miles. Engine is running bad at idle, Showing OBD codes P1354,P0302,P0304,P0306, P0308 and the VSC Off light is on along with the Engine light. Just cahnge the plugs...

P1354VVT System Malfunction (Bank 2)

Probably bad plug wires. Start there and then disconnect the battery for 5 minutes reconnect and start engine to see which codes have cleared.

Mar 05, 2011 • 2001 Lexus LS 430

0helpful

2answers

Service engine light

CYLINDER 4 MISFIRE...

Jun 16, 2009 • 1998 Chevrolet Blazer

0helpful

2answers

P0304 cylinder 4 misfire

u have 2 bad coils

Mar 21, 2009 • 2001 Oldsmobile Silhouette

Question 2

Duane Wong

Ford Master 6,826 Answers
Posted on Dec 31, 2010

Duane Wong

Ford Master

Joined: Jun 20, 2010

Answers

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Check the coil packs on the plug if equipped with that type, or the coil packs at the end of the spark plug wires, if so equipped.

Also, check that the fuel injectors are firing on all 8 cylinders.

Definitely, check out what other codes are stored in the computer besides a missing condition.

I have a 1999 Expedition that had a miss on a cylinder, and it turned out to be a bad coil pack. You have 2 cylinders missing, so I would check each cylinder for good spark, or replace the coil packs as necessary to see if that resolves the problem.

Good luck on this repair.

Answer 2 · 2/5/2009 12:00:00 AM

bubbles_so_p

1 Answer
Posted on Feb 05, 2009

SOURCE: 1997 ford f150 cyliner 7 misfire

sme problem had to have it put on computer and codes reset

Anonymous

20 Answers
Posted on Feb 08, 2009

SOURCE: #4 CYLINDER MISFIRE

Hi the most likely fault would probably be head gasket, it maywell show no other signs of fault as it can blow into next cylinder.
Have a compression test carryed out and all 8 cylinders should be within 10% of each other.

Anonymous

1 Answer
Posted on Feb 09, 2009

SOURCE: po300 multiple cylinder misfire po705 transfer case circuit malfunction

Check the EGR valve. Replacing the EGR valve fixed my error code for misfiring. I also had to remove the battery cable for 5 minutes to turn off the check engine light.

Romel Edmondson

68 Answers
Posted on Feb 14, 2009

SOURCE: 2000 CIVIC System too lean Cylinder 3 and 4 misfire Deteced

P0171: This means that the oxygen sensor has detected a lean air-fuel ratio. This can be caused due to a vaccuum leak or a problem in the HO2S circuit or the HO2S (Heated Oxygen Sensor) itself. (Bank one Sensor one). This is commonly located along the exhaust pipe. It could also be a bad Mass Air Flow sensor or a bad Engine Coolant Temperature sensor. Diagnostic checks will be needed to be carried out to be verified though
Well as for the other codes, it means #3&4 cylinders are misfiring. It is a possibility that the P0171 code mite have caused the others to show up. I can be wrong though. But it is a strong possibility. If the air fuel mixtue is too lean indeed, mis-firing will occur, unless it is an actual electronic and not a mechnical problem. By the way, when these codes appear, how is the engine's performance. Does it remain the same or behaves poorly?

bs77bird

144 Answers
Posted on Sep 03, 2009

SOURCE: 2004 Audi A4 misfire

it is always a good idea to stay with o.e.m parts and yes there is updated parts in the newer coils. and yes the M.A.F will also cause misfire faults but will not make check engine light flash or make car shake and shudder. also check you wire harness going to your coils make sure your ground wires are not cracked. That could be the main culprate. good luck hope this helps

Answer 3 · 2/5/2009 12:00:00 AM

bubbles_so_p

1 Answer
Posted on Feb 05, 2009

SOURCE: 1997 ford f150 cyliner 7 misfire

sme problem had to have it put on computer and codes reset

Answer 4 · 2/8/2009 12:00:00 AM

Anonymous

20 Answers
Posted on Feb 08, 2009

SOURCE: #4 CYLINDER MISFIRE

Hi the most likely fault would probably be head gasket, it maywell show no other signs of fault as it can blow into next cylinder.
Have a compression test carryed out and all 8 cylinders should be within 10% of each other.

Answer 5 · 2/9/2009 12:00:00 AM

Anonymous

1 Answer
Posted on Feb 09, 2009

SOURCE: po300 multiple cylinder misfire po705 transfer case circuit malfunction

Check the EGR valve. Replacing the EGR valve fixed my error code for misfiring. I also had to remove the battery cable for 5 minutes to turn off the check engine light.

Answer 6 · 2/14/2009 12:00:00 AM

Romel Edmondson

68 Answers
Posted on Feb 14, 2009

SOURCE: 2000 CIVIC System too lean Cylinder 3 and 4 misfire Deteced

P0171: This means that the oxygen sensor has detected a lean air-fuel ratio. This can be caused due to a vaccuum leak or a problem in the HO2S circuit or the HO2S (Heated Oxygen Sensor) itself. (Bank one Sensor one). This is commonly located along the exhaust pipe. It could also be a bad Mass Air Flow sensor or a bad Engine Coolant Temperature sensor. Diagnostic checks will be needed to be carried out to be verified though
Well as for the other codes, it means #3&4 cylinders are misfiring. It is a possibility that the P0171 code mite have caused the others to show up. I can be wrong though. But it is a strong possibility. If the air fuel mixtue is too lean indeed, mis-firing will occur, unless it is an actual electronic and not a mechnical problem. By the way, when these codes appear, how is the engine's performance. Does it remain the same or behaves poorly?

Answer 7 · 9/3/2009 12:00:00 AM

bs77bird

144 Answers
Posted on Sep 03, 2009

SOURCE: 2004 Audi A4 misfire

it is always a good idea to stay with o.e.m parts and yes there is updated parts in the newer coils. and yes the M.A.F will also cause misfire faults but will not make check engine light flash or make car shake and shudder. also check you wire harness going to your coils make sure your ground wires are not cracked. That could be the main culprate. good luck hope this helps

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MISFIRE ON CYLINDER 4 AND 6 WITH AN ENGINE LIGHT ON

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Duane Wong

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bubbles_so_p

Anonymous

Anonymous

Romel Edmondson

bs77bird

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I have a 2001 Lexus LS 430 with 285,000 miles. Engine is running bad at idle, Showing OBD codes P1354,P0302,P0304,P0306, P0308 and the VSC Off light is on along with the Engine light. Just cahnge the plugs...

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03jeep lbertyrandom missfire cyl 2 4 6check engine light flashing

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MISFIRE ON CYLINDER 4 AND 6 WITH AN ENGINE LIGHT ON

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I have a 2001 Lexus LS 430 with 285,000 miles. Engine is running bad at idle, Showing OBD codes P1354,P0302,P0304,P0306, P0308 and the VSC Off light is on along with the Engine light. Just cahnge the plugs...

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