Question about 2001 Nissan Maxima

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Ignition coils were changed but vehicle still not firing on one cylinder

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Have you changed the plugs?

Posted on Apr 20, 2013

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97 f0rd f150 4.6 liter pullin codes p0302 p0303 p0306 how to fix that


Hi! Those numbers are identifying the cylinders that are misfiring.Cylinders 2,3 and 6. Does does the check engine light flash? Does the vehicle run poorly. The manufacturer recommends spark plug replacement at 100,000 miles. If that has been done then possibly also ignition coils. Try swapping those cylinders ignition coils with other good cylinders and see if the codes change to other cylinders indicating bad coils.

Jan 21, 2015 | Cars & Trucks

1 Answer

Not firing on #1 cylinder. 2002 Chevy Trailblazer, In-line 6 cyl. Swapped ignition coil and installed new spark plug. Same error code. Where does the signal for the ignition coil to fire come from? Is...


{: ) It is the engine control module that gives signals to ignition coils . Visually inspect the wirings for the #1 cylinder. But I still suggest that your vehicle be thoroughly scanned to monitor the different parameters and data present on your vehicle.

Jan 20, 2011 | 2006 Chevrolet Trailblazer

2 Answers

Just firing on one coil but replaced it and still not working


You may need to replace the plug wires after many miles they become more resistive and deliver weak or no spark to the plugs. It could also be the ignition module it is common for GM vehicles in that year range to have failing modules.

Jan 13, 2011 | 1988 Buick Century

2 Answers

Enging code came up on my 2004 dodge ram 1500 5.7 Hemi. Said ignition coil E was bad and that I had a misfire in cylinder 3. Replaced coil at cylinder 3 but it's still running rough. Is coil E somewhere...


Have you checked the spark plug itself? --- 5.7L Engine To Remove:
NOTE: Note spark plug cable original positions before removing.
dod_ram15_57_ign_coil.gif

dod_ram15_57_ign_coil_loc.gif

  1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
  2. Clean the area around the coil with compressed air.
  3. Remove or disconnect the following:
    • Battery negative cable
    • Throttle body air intake tube and intake box (if necessary)
    • Coil electrical connector by moving slide lock and pressing on release lock
    • Secondary high-voltage cable from coil
    • Mounting bolts
    • Coil from cylinder head opening by twisting
To Install:
  1. Clean area around spark plugs with compressed air.
  2. Apply dielectric grease to inside of boots.
  3. Install or connect the following:
    • Ignition coil to cylinder head opening
    • 2 mounting bolts
      1. Torque to: 106 inch lbs. (12 Nm)
    • Coil electrical connector
    • Cable to coil
    • Throttle body air tube and intake box (if necessary)
    • Battery negative cable
---
Distributorless Ignition System General Information This vehicle uses two different types of ignition systems. The 3.7L, 4.7L, and 5.7L engines do not use a conventional distributor. The 5.9L engine uses a conventional distributor. The ignition system is controlled by the Powertrain Control Module (PCM) on all engines. Procedures in this section are for the 3.7L, 4.7L, and 5.7L engines; please see the section on Distributor Ignition Systems for procedures for the 5.9L engine.
Distributorless ignition systems (EI) are used on many current engines. This system uses the waste spark method for distributing secondary voltage. In a waste spark system, an individual coil is used to fire one pair of engine cylinders simultaneously. These cylinders are known as companions, since each of their pistons is at TDC at the same time. On a typical V6 engine for example, cylinder 1 is at TDC compression while cylinder 4 is at TDC exhaust. This is also true of cylinders 2 and 5 as well as cylinder 3 and 6.
The cylinder on the compression stroke is known as the event cylinder, while the cylinder on the exhaust stroke is called the waste cylinder. Since secondary resistance is very low in the cylinder on the exhaust stroke, little voltage is required to fire the plug. For this reason, the majority of available voltage is consumed by the cylinder on the compression stroke.
One spark plug is attached to each end of the secondary coil winding via the spark plug wires. This series circuit arrangement causes one of the plugs to fire in a forward direction (center electrode to outer electrode), and the other spark plug to fire in a reverse direction (outer electrode to center electrode). The firing voltage requirements on the waste spark ignition are significantly greater than a traditional ignition system primarily because it takes 30% more energy to fire a plug reverse polarity. When a spark plug is fired backwards, it fires from the outer electrode to the center electrode. This is a high resistance path since the electrons do not flow as easily from a cold, dull surface such as the outer electrode to a hot, sharp surface like the center electrode.
Since the coil and plugs are arranged in a series circuit, a typical plug gap of .050" results in a total gap of .100" for the whole circuit that includes two spark plugs for the companion cylinders. The waste spark can overcome this added resistance by producing high secondary output voltages due to low resistance in the primary winding. Another reason higher secondary ignition voltage is required is cylinder pressure; specifically, the lack of it. Generally, event cylinders require 10 to 12-kV to initiate current flow across the spark plug gap, while only 2 - 3-kV is needed to fire the waste cylinder. Therefore, the air gap in the waste cylinder creates no more resistance than the rotor gap does in a conventional ignition system.
There are two different methods used for coil trigger. One method sends the crankshaft sensor signal directly to the ignition module to activate the coils, while the other sends the crankshaft sensor signal to the PCM and the PCM controls ignition operation either directly or through a separate ignition module.
Waste spark ignition advantages
  • It has fewer components than conventional distributor-type ignition systems.
  • No mechanical adjustments to set ignition timing.
  • No mechanical load (turning the distributor shaft).
  • No unwanted timing variations caused by gear lash or other worn distributor components.
Another advantage of waste spark is longer coil life. To illustrate this point, consider a six-cylinder engine with conventional ignition. At 3000 RPM, the coil must fire 9000 times per minute. This is calculated by dividing the engine speed by 2, since the cam turns at half crank speed, and then multiplying the distributor RPM by the total number of engine cylinders.
In contrast, the coils on a six-cylinder engine with waste spark only work a third as hard. This is because there's a coil for every two cylinders and each coil fires every crankshaft revolution. This means that at 3000 RPM, the coils only fire 3000 times per minute. This allows each coil to operate with less dwell (time that the coil is energized), resulting in less heat buildup and longer life.
Coil Over Plug System The coil over plug system was developed so that spark and spark timing could be better controlled on an individual cylinder basis. Each cylinder has an ignition coil mounted directly above the spark plug on the cylinder head cover. A short suppresser/connector replaces the spark plug wire and links the coil to the plug. There are different methods used for primary triggering. Some manufacturers use a combination coil/module, which means each coil has its own control circuit that is activated by the PCM. Others use remote mounted modules to trigger the coils.
Each individual coil is allowed to saturate while all other cylinders fire. For a V-8 engine, this allows a period of seven firing events for coil saturation, compared to three events for the same V-8 engine with a waste spark system. The coil over plug system also benefits from a minimum amount of energy lost, due to the resistance of spark plug wires.
Coil Near Plug System The coil near plug system also features multiple ignition coils. An ignition coil/module is mounted in proximity of each cylinder. There is a short length of spark plug wire between the coil and the spark plug.
Each ignition coil/module has its own control circuit and is activated sequentially by the PCM. All timing decisions are made by the PCM. This includes both ignition timing and duration of the spark.

Nov 03, 2010 | 2004 Dodge Ram 1500

1 Answer

Ignition coil e


The ignition coils are listed from 'A" to "L" (up to 12 cylinders) and they are in sequence according to the firing order. This diagram will help you out, and according to this diagram for your vehicle, "E" is the fifth letter so the fifth cylinder in the firing order is cylinder #6, and as you can see from the diagram that coil "E" or cylinder #6 is the second spark plug or cylinder from the front on the drivers side of the engine.


e806260.gif

Jun 15, 2010 | 2000 Ford Expedition

1 Answer

2005 Chevrolet Silverado 1500HD 6.0 motor. I am getting a misfire code on ignition coil "D". Which coil pak is coil "D"?


Coil "D" should be Cylinder #4
Coil "A" = Cylinder #1
Coil "B" = Cylinder #2
Coil "C" = Cylinder #3.
Coil "D" = Cylinder #4
Coil "E" = Cylinder #5
Coil "F" = Cylinder #6
Coil "G" = Cylinder #7
Coil "H" = Cylinder #8

Firing Order for 6.0L
1-8-7-2-6-5-4-3
Cylinders:
(back of vehicle)
8----------7
6----------5
4----------3
2----------1
Ignition Coils are adjacent to the corresponding Cylinder

Let me know if this helped.

Feb 26, 2010 | 2002 Chevrolet Silverado 1500HD

1 Answer

Firing order for 97 grand dodge caravan


Not sure if you have the 2.4L, 3.0L, 3.3L, or 3.8L.
But I have included all below

For the 2.4L:
Firing Order:
1-3-4-2
Cylinders:
(back of Vehicle)
1----2----3----4
(front of vehicle)
Coil:
(back of vehicle)
................o- <---4
1-->-o
................O- <---connector
2-->-o
.................o- <---3
(front of vehicle)


For the 3.0L
Firing Order:
1-2-3-4-5-6
Cylinders:
(back of vehicle)
1-------3-------5
2-------4-------6
(front of vehicle)
Distributor:
(back)
.....1......
3.........2
5.........6
.....4.....
(front)

For the 3.3L AND 3.8L:
Firing Order:
1-2-3-4-5-6
Cylinders:
(back of vehicle)
1--------3--------5
2--------4--------6
(front of vehicle)
Ignition Coil:
(back)
6---3
4---1
2---5

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


Feb 24, 2010 | 1997 Dodge Caravan

1 Answer

What is the firing order of the wires that go from the spark plugs to the coil pack or distrobuter for a 1988 4 cylinder chevy corsica


For the 2.0L:
Firing Order:
1-3-4-2
Cylinders:
1---2---3---4
(front of vehicle)
Ignition Connections:
----[4]
-------[1]
---------[3]
-----------[2]
(front of vehicle)

Feb 09, 2010 | 1988 Chevrolet Corsica

1 Answer

Ignition firing order and cable position at the coils


The 3.5L (VIN H) engine's unique ignition system has the ignition coils directly over each plug. No spark plug wires are used.

63b44ad.jpg


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


f3c010c.jpg

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



e2e44c2.jpg

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



81eff27.jpg

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




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.



50dbf18.jpg


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






6f4033f.jpg


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


I hope help you with this, remember rated this help. Good luck.

Sep 01, 2009 | 1999 Chevrolet Lumina

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