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Replaced coil pacxk but number 4 cylinder still doesnt fire

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This could be down to the high tension lead being faulty between the coil pack and spark plug. Other causes could be spark plug itself, or low compression, fuel injector.

Posted on Oct 18, 2016

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My 2004 Pontiac Aztec/rally has a different firing order stamped om the coil packs. They are from left to right standing in front of car they are 523641. Why am I getting different order?


This is not the firing order that is stamped on the coil packs.
Coils are matched by 2 pairs of cylinders for ignition spark plugs and coils system.
1- Like 5 2 and 3 6 and 4 1
2- Pairs of 2 cylinders are firing at the same time.
3- When cylinder number 5 fire at ( Power Cycle) the cylinder number 2 fire but in ( Exhaust Cycle ). That is why you have those number stamped on the coil packs.

Hope it helps.

Aug 06, 2018 | Pontiac Cars & Trucks

1 Answer

2004 chrysler van 3.8 motor replaced coil pack still doesnt fire number 4 cylinder


If the coil pack has a four wire connector, one wire is primary voltage, the other three wires are ground, one ground for each coil, one coil fires two spark plugs. If problem with coil or ground, you would lose spark for two spark plugs. Did you visually check for spark, everywhere? What about the spark plug wire or the spark plug, itself?

Oct 18, 2016 | 2004 Chrysler Town & Country

1 Answer

1993 Nissan 300zx: Number 4 cylinder doesnt fire.


Please read about misfire diagnosis and repair here.

Oct 01, 2012 | 1993 Nissan 300ZX

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

What is the fireing order on a 1998 Ford winstar


Firing order and cylinder numbering - all 3.0 and 3.8 engines:


Firing order:

1-4-2-5-3-6


Cylinder numbering:

  • Windshield side
    1--2--3
    4--5--6
    Frt. Of vehicle




Coil numbering:
    • --4 PIN--
      ----------------
      --1--- 2--- 3--
      ----------------
      --5--- 6--- 4--
      ----------------

  • NOTE the irregular sequence on the 5-6-4 side. Weird, but that's the way it is.

Sep 27, 2010 | 1998 Ford Windstar

1 Answer

Firing order. took the spark plug cables off and don`t know where they go back


First,look at the coils see if the towers are numbered.Each coil fires 2 cylinders!
look on intake manifold for fireing order display! The v6 engine fires from one bank across to the other in a straight line example,cylinders 1&2 3&4 and 5&6 at the rear of the engine or farthest right side. 1&2 left side faceing engine 3&4 in the middle. All you need to do is find cylinder # 1 hook up the # 1 wire to the # 1 coil tower to the # 1 plug or cylinder,follow the fireing order 123456,its simple if you cant see coil tower numbers look at another car with same engine that has distributor less ignition.The coil pack for the 4 cylinder gm has plug wire terminals or towers numbered as well.Only in a harder place to see like behind and underneath!

Sep 08, 2010 | Buick Skylark Cars & Trucks

2 Answers

Coil firing order


call autozone find out the firing order.the coil is numbered.the firing is counted from left to right.(for ex. if your firing order is 316524) three would be on the left so you run that sparkplug wire to the number three on the coil,and so on.

May 18, 2010 | 1993 Oldsmobile Cutlass Ciera

1 Answer

Firing order need to know what plug is number 1 and what plug on coil pack is number 1


For the 1993 Chevy Lumina:
I do not know if you have the 2.2L In-Line 4 Cylinder, 3.1L V6, or 3.4L DOHC V6 Engine; however I have included all below.

For the 2.2L (4-Cylinder)
Firing Order:
1-3-4-2
Cylinders:
......(back)
1.....2.....3.....4
......(front)
Ignition Coil Connections:
o <---4
...o <---1
.........
......o <----3
.........o <----2

For the 3.1L V6:
Cylinders:
...(back)
5.............6
3.............4
1.............2
....(front)
Ignition Coil Connections:
.|.1..4.|..|.6..3.|..|.2..5.|


For the 3.4L DOHC V6:
Firing Order:
1-2-3-4-5-6
Cylinders:
.......(back)
1........3.........5
2........4.........6
.......(front)
Ignition Coil Connections:
.|.1..4.|..|.3..6.|..|.2..5.|

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


Apr 09, 2010 | 1993 Chevrolet Lumina

2 Answers

Need firing order and, I need to know what side the number one piston is on?


To avoid confusion, remove and tag the spark plug wires one at a time, for replacement.

The 3.5L (VIN H) engine's unique ignition system has the ignition coils directly over each plug. No spark plug wires are used.
If a coil is replaced on any of the 3.1L, 3.4L or 3.8L engines, it may not be numbered, as is the factory coil. For this reason it is imperative that you label all wires before disconnecting any of them. Also, before removal, compare the current wiring with the accompanying illustrations. If the current wiring does not match, make notes in your guide to reflect how your engine is wired.

f6067f3.jpg

Fig. 3.1L (VIN M) engine Firing order: 1-2-3-4-5-6 Distributorless Ignition System

0726c45.jpg

Fig. 3.4L (VIN X) engine Firing order: 1-2-3-4-5-6 Distributorless Ignition System

0476e1c.jpg

Fig. 3.4L (VIN E) engine Firing order: 1-2-3-4-5-6 Distributorless Ignition System

174502a.jpg

Fig. 3.5L (VIN H) engine Firing order: 1-2-3-4-5-6 Distributorless Ignition System

69d9a4f.jpg

Fig. 3.8L (VIN 1) engine Firing order: 1-6-5-4-3-2 Distributorless Ignition System

806db5e.jpg

Fig. 3.8L (VIN K) engine Firing order: 1-6-5-4-3-2 Distributorless Ignition System

The firing order for the 3.1L VIN M, 3.4L VIN E, 3.4L VIN X and 3.5L VIN H engines is 1-2-3-4-5-6. The right bank cylinders are on the cowl side (rear) of the engine compartment and are numbered 1,3,5, left bank cylinders on the front side of the vehicle, are numbered 2,4,6.
The firing order for the 3.8L VIN K and 3.8L VIN 1 engines is 1-6-5-4-3-2. Starting at the front of the engine, cylinders in the left bank are numbered 1,3,5 and cylinders in the right bank are numbered 2,4,6

Hope helped (remember rated this help) Good luck.


Oct 19, 2009 | Pontiac Grand Prix Cars & Trucks

1 Answer

Picture of 03 impala 3400 firing order?


The side of the engine closest to the radiator is the even number cylinders, 2-4-6. The side next to the firewall is1-3-5.

Looking at the coils from the front of the engine the one on the left is 5-2, center 3-6, right side 4-1. If the coils haven't been replaced the cylinder numbers will be on the top of the coil. The plug wires will also have the cylinder numbers on them if they have not been replaced

firing order 1-2-3-4-5-6

Aug 10, 2009 | 2003 Chevrolet Impala

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