Question about 2004 Dodge Ram 1500

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How to check for bad coil on 2004 dodge 4.7 engine

I just pulled head to replace gasket I am pretty sure #1 cylinder is not firing ,all cylinders have their own coils. I want to check coil and fuel injector before putting engine back together is there a way to do it.

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Posted on Jan 02, 2017

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SOURCE: 96 dodge caravan wont fire on cylinder 1 or 4.

check pulse on coil pack conector with noid light ,remember cylinders 1&4 fire at the same time. check pulse while cranking. most likely you have a bad computor or a broken wire

Posted on Feb 25, 2010

Testimonial: "most likely the problem"

  • 34 Answers

SOURCE: misfire on #6 and #8 cylinder 1996 Dodge Ram 1500

Check the spark plug wiring . There are several places where the wires cross each other. These wire cross points MUST be at right angles to each other. Or you will have a misfiring problem.

Posted on Jul 07, 2009

  • 52 Answers

SOURCE: i have a 2001 dodge caravan with 3.3 v6.the engine

maybe it is the spark plugs or spark plug wires. or it is the distributor cap and rotor. the coil just provides the spark. but you can have it tested at a part store.

Posted on Apr 18, 2010

  • 50 Answers

SOURCE: On a 1998 dodge stratus 2.4 ltr engine misfire

check compression,with engine running remove h/t leads 1 at a time to diagnose weak cylinder,check that cylinder has the same amount of spark ( jumps the same gap as others )try changing the plug from crook cylinder to a good one and note if miss follows that spark plug or stays with same cylinder,can do same with injectors but only perform one procedure at a time so you can determine which one works.

Posted on May 16, 2010

  • 1 Answer

SOURCE: Enging code came up on

ox546 i had the same problem but mine said i had a misfire on cyl 6 and ign coil a circut malfunction my coil on my # 1 cyl was melted so i changed it and it fixed it. some where your # 3 cyl is connected to another cyl i'm not shure which one but i know the #1 cyl is connected to the #6 cyl some way

Posted on Dec 17, 2010

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2 Answers

01 Kia sportage 4*4 cylinder 2 and 4 are missing. Shouldn't 1 and 3 be missing also since they are coming from 2 and 4?


it could be the ignition module that is affecting these 2 cylinders or it could be the ignition driver in the computer that is bad. however it can also be the coils not working on that half of the coil itself and only firing the one side.

Jun 30, 2015 | Kia Cars & Trucks

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No ingnition fire on cylinders 2 and 4 2004 dodge stratus 2.4 L engine


Easy! The DIS module has failed...!

The Stratus 2.4L engine uses what is called "a wasted spark" ignition system, that feeds two cylinders with the same ignition coil. Havind a pair of Cylinders dead means one of the coils or the module is inoperative. Amclaussen.

Feb 26, 2014 | 2004 Dodge Stratus

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What do I need done if codes p0171 p0174 p0301 p0305 p0316 is it major problems


OK, We'll cover the Diagnostic Test Codes (DTCs), starting with the standard definition set by SAE J2012 (Revised December 2007)
DTC P0171 "System Too Lean Bank 1"
DTC P0174 "System Too Lean Bank 2"
DTC P0301 "Cylinder 1 Misfire Detected"
DTC P0305 "Cylinder 5 Misfire Detected"
DTC P0316 "Engine Misfire Detected on Startup (First 1000 Revolutions)"

The "system lean" codes are pretty much telling you that there is way too much oxygen in the exhaust. There is too much oxygen on BOTH sides of the engine, and that is why you are getting codes for bank 1 and for bank 2. Bank 1 is the side where #1 cykinder is located and Bank 2 is the opposite side.

The misfire codes are pretty self-explanatory. #1 and # 5 cylinders are misfiring. The P0316 DTC is telling you that the misfire monitor is detecting a misfire as soon as the engine starts. This tells you that it is a very severe misfire and that the engine does not have to warm up and the car does not have to be driven to detect the misfire.

A misfire can be caused by many things it can be vacuum leaks, bad spark plugs, bad ignition cables, faulty ignition coils, fouled or malfunctioning injectors or injector circuits, blown head gasket, cracked cylinder head, burnt valves, etc.. etc..

However, look at the codes you have. Then look at the firing order for your engine. 2002 Mercury Sable is only equipped with a 3.0L 2V 6-cylinder engine.
The firing order is 1-4-2-5-3-6

Now if you take the firing order and split it in half, stack the two halves on top of each other, it looks like this:
1-4-2
5-3-6

When you look at the firing order this way, you can see that cylinders 1 an 5, 4 and 3, and 2 and 6, are "PAIRED" cylinders. They are exacly opposite in the firing order. Now, the cylinder only fires every second revolution of the crankshaft. With paired cylinders, one of the cylinders in the pair will fire on the first revolution and the other cylinder will fire on the second revolution.

Looking back at your codes, please note that the cylinders that are setting the misfire codes are paired cylinders.

Now the coil pack for your ignition is actually made up of three coils. Each coil fires a set of paired cylinders. If you look at the top of the coil, it will usually be marked with the cylinder numbers that each coil tower is supposed to connect to. The coil will look just like the firing order split and stacked as above.

With all of this said, I would say that it is VERY LIKELY that your misfire codes are being caused by a defective ignition coil.

The lean codes are a little different.

These are USUALLY caused by vacuum leaks which allow too much air into the engine that is not getting measured by the Mass Airflow (MAF) sensor and causes the engine to be getting too much air and not enough fuel (running lean).

I would take a good look at all of the vacuum hoses and lines. Ford is notorious for getting holes in the rubber parts that connect the PCV tubes.

If you do not find any obvious reasons for a vacuum leak, then you may want to fix the misfire codes, reset the computer memory, and drive the vehicle to see if the lean codes come back again. The misfires COULD be the cause of the lean codes. In a perfect world, this is not supposed to happen because the misfire monitors setting codes will not allow the oxygen sensor monitors to run and set lean codes. However, I HAVE seen cylinder misfires that have caused lean codes.

I hope this helps you to figure it out. Good luck!

Feb 03, 2012 | 2002 Mercury Sable

1 Answer

Misfire cylinder 4 dodge 1500 5.7L hemi


Check compression. If its nill or low, pull a plug and look for raw fuel. Try to look at the top of the piston for impact marks. The valve guide comes loose and the valve will hit the piston causing valve damage. Most instances won't damage the piston to a point of necessitating replacement, but will require removal of the head for a valve job or replacement of the head due to valve damage or chipping of the cylinder head at the valve seat. A reman head isn't much more than the machine shop will charge for a valve job. 6 hour job plus gaskets. Don't let anyone tell you it needs an engine without substantial proof.

Jan 08, 2012 | 2004 Dodge Ram 1500

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

1 Answer

On a 1998 dodge stratus 2.4 ltr engine misfire


check compression,with engine running remove h/t leads 1 at a time to diagnose weak cylinder,check that cylinder has the same amount of spark ( jumps the same gap as others )try changing the plug from crook cylinder to a good one and note if miss follows that spark plug or stays with same cylinder,can do same with injectors but only perform one procedure at a time so you can determine which one works.

May 15, 2010 | 1998 Dodge Stratus

2 Answers

I need to know the timing order for a 1998 Dodge Caravan 4 cylinder dual over head cam


FIRING ORDER PER 4 CYL.

http://anubiscycle.com/fixya/order98caravan.png

Jan 13, 2010 | 1998 Dodge Caravan

3 Answers

99 dodge caravan #4 cylinder misfires, i replaced spark plug wires and spark plugs. Scanner showed #4 still misfiring, could this be the coil?


It could very well be a bad coil pack,or you have low compression in that cylinder.If the compression is good then go with the coil pack,if not you may need a head gasket or an intake manifold gasket.

Nov 07, 2009 | 1999 Dodge Grand Caravan

1 Answer

Misfire of cylinder 2 & 5 on 04 Buick LaSabre Custom


Ok this may be something smal that may be simple to fixs; your plugs are in the wrong cylinder?

Check Your gap size .060 (In thousandths of an inch)

Im not sure of the size of engine please look below for your make?

82c1f61.jpg

Fig. 3.8L VIN 1 Engine Firing order: 1-6-5-4-3-2 Distributorless ignition system


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Fig. 3.8L VIN K Engine Firing order: 1-6-5-4-3-2 Distributorless ignition system


21520e9.jpg
Fig. 3.8L (VIN 1 and L) Engines Firing order: 1-6-5-4-3-2 Distributorless ignition system
321b2dc.jpg
Fig. 3.8L (VIN K) Engine Firing order: 1-6-5-4-3-2 Distributorless ignition system
I hope that this help!

Jun 08, 2009 | 2004 Buick LeSabre

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