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Miss fire at cylinder 6 on my 2004 grand am 3.4 i have replaced new plug new coil and wire whats next still miss fires

Tryed n ew plug also new coil and spark plug wire

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  • Cars & Trucks Master
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With the engine running and the cylinder misfiring tap (key word is tap) the injector with a screwdriver a couple of times. If the misfire goes away replace the injector.

Posted on Nov 29, 2012

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: No fire from coil to #1 cylinder

Ok since you did all that if you want to swap around fuel injectors taking note where you put cylinder 1 injector. Lets say you swapped it with cylinder 4 . Now if you get a different code say P0304 which is for cylinder 4 misfire then you know it is your injector at fault. These are wear items and should be replaced every 100,000 miles.
Also i would suggest if you dont want to do that is get some good high octane gas when you are completely empty and fill to 1/4 tank now put in Lucas Oil fuel injector cleaner and run the car till empty. Now fill up tank with high octane gas in see if this helps. Clear code after your second tank of gas and see if the code comes back. if code does pop back up then i would do the swapping of injectors as i stated earlier. I hope this helps and good luck with the diagnosis.

Posted on Feb 21, 2009

  • 6 Answers

SOURCE: #3 cylinder miss firing--2001 jeep g.c. larado

check from the spark plug back...

Posted on Mar 17, 2009

CarMech97
  • 427 Answers

SOURCE: 2002 escape miss fire on cylinder one

power not reaching cylinder 1 ignition coil. check electrical connections and wiring for any damage. test for power and ground at cylinder 1.
hope this helps.

Posted on Oct 07, 2009

  • 1608 Answers

SOURCE: engine miss at idle. cylinder 1 and 3 has no fire

Try the ignition module.This is more than likely your problem.It is on the coil pack where the wires connect to.I have had a few of these go on me.This should take care of your problem.Hope this helps.Good luck.

Posted on Mar 24, 2010

seanpwright
  • 2030 Answers

SOURCE: engine code miss fire cylinder #1, spark plugs and

your correct the coil pack is probably the culprit

Posted on Aug 08, 2010

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2 Answers

Need to know spak plug firing order for a 1996 pontiac grand am


4-cylinder:

Firing Order: 1-3-4-2

3.1 liter:

Firing Order: 1-2-3-4-5-6
jturcotte_599.jpg

Sep 04, 2011 | 1996 Pontiac Grand Am

2 Answers

04' Ram 1500, bad mis-fire. cust repl s/plugs. no help. Codes for coils #7 & 8 w/mis-fire. replaced coils & wire set. Better, but still P0300. Compression good


You still have random misfires (PO300)
You most likely replaced those coils that set a code, and those were not the one bad offender,spiking the computer module.
Take a new coil and put in a cylinder,no change, replace old coil and move new one to next cylinder. You can do that once or twice a day, if you have nothing else to do. You need a 90 degree day, to really get that solved,unless you have an ignition oscilloscope.
Never had a bad spark plug in 45 years.

Sep 18, 2010 | 2004 Dodge Ram 1500

1 Answer

I need to know the firing order of my 1995 limited jeep grand cherokeemy spark plug wires are missing i have new wires i just don't know the firing order


For the 1995 Jeep Grand Cherokee:
I do not know if you have the 4.0L In-Line (Straight) 6-Cylinder or the 5.2L V8; however I have included bothe below.

For the 4.0L In-Line 6-Cylinder:
Firing Order:
1-5-3-6-2-4
Cylinders:
(back)
|..6..|
|..5..|
|..4..|
|..3..|
|..2..|
|..1..|
(front)
Distributor:
...(back)
....5...3.(+)-screw
1...........6
(+)4...2
...(front)

For the 5.2L V8:
Firing Order:
1-8-4-3-6-5-7-2
Cylinders:
.......(back)......
|..8..|........|..7..|
|..6..|........|..5..|
|..4..|........|..3..|
|..2..|........|..1..|
.......(front)
Distributor:
.......(back)
.........3
...4.........6
8...............5
...1.........7
.........2
.......(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

May 21, 2010 | 1995 Jeep Grand Cherokee

2 Answers

I have a 1996 Plymouth Grand Voyager SE with a 3.3 liter V6 Engine. It hasn't been firing on the 6th and 3rd spark plugs, and is only running off of 4 of them. I was told to replace the camshaft position...


The coil pack unit's circuit #3 drives plugs #3 and #6 directly from the PCM. If the cam sensor was defective, it should not fire any plugs. Suspect bad wiring from the PCM to the coil pack, the PCM unit itself, or a segment of the camshaft position sensor surface has lost magnetism causing missing signal to the PCM. An oscilloscope is the best test instrument for chasing down a missing pulse problem. The missing timing signal also explains why the PCM would report a 'bad camshaft sensor'. Hope this helps!

May 11, 2010 | 1996 Plymouth Grand Voyager

3 Answers

I have a 2001 Focus that is showing a #3 misfire, changed the spark plugs and wires and it is still running rough? What next?


had the same thing with my crown vic on the #8 cylinder. changed plugs and wires. still missing. wound up replacing the coil pack. you can check resistence of the coil between companion spark plug towers. ford marks each tower with 2 cylinder #'s. resisistence should be around 10-12 ohms

Mar 15, 2010 | 2001 Ford Focus

2 Answers

I have a miss fire


Recheck the firing order; 1-6-5-4-3-2

On the distributor passenger side radiator to fire wall. 2-4-6-coil
On the distributor drivers side radiator to fire wall. 3-1-5

Cylinder passenger side radiator to fire wall. 2-4-6
Cylinder drivers side radiator to fire wall. 1-3-5

Good luck and also check the distributor cap again for proper seating.

Nov 13, 2009 | 1998 Chevrolet Blazer

2 Answers

Code po304 #4 cylinder mis fire


ck if you have spark at the coil for that cylinder. check the plug wire closely. if it has spark at the coil, then replace all the spark plug wires.

Oct 12, 2009 | 2000 Cadillac DeVille

1 Answer

Miss fire cylinder 1 & 6 on a 4 liter enginge


Did the engine light go on, and you got a miss-fire code? If so, 1st check spark plugs (which u did), then plug wires, if that's not it, the injectors would be next. Let me know how u make out
Curt

Mar 02, 2009 | 2000 Jeep Grand Cherokee

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