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What do i do if my 1997 v8 thunderbird is reading coil module codes and miss fires in cylinder 4 and 7 I have done replaced both coil modules and full tune up n nothing has changed. The check engine light still comes on n blinks

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  • Cars & Trucks Master
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Problem could be in the wiring or the computer.
What are the actual codes ?

Posted on Apr 22, 2013

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Posted on Jan 02, 2017

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SOURCE: ignition control module location for 1997 ford thunderbird?

1997 Ford Thunderbird Transmission problem
When driving normally transmission surges like it is not in gear. Had sensors replaced, nitural safety switch, and still acts up.

Posted on Dec 18, 2008

chuck943
  • 783 Answers

SOURCE: engine code p0307 cylinder #7 misfire

It could be carbon deposits on valve seats keeping valves from totally closing. You can try getting you a can of motorcraft PM3 top end engine cleaner and get engine up to operating temp then remove one of the small vacuum lines from the intake and draw the contents of the can slowly into the engine.After you have drawn in the contents shut engine off and let it soak for about 45 minutes then crank it back up and let it run until it clears. Now it will smoke like a forrest fire while you are doing this so don't be alarmed,just tell the neighbors you are spraying for mosqitos.This may cure the problem. If not you may be looking at a valve job.
This can be verified with a compression test if this is what is causing it.

Posted on Feb 05, 2009

  • 144 Answers

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

Posted on Sep 03, 2009

  • 111 Answers

SOURCE: I have a 1997 Chevy Cavalier with a 2.2 Liter

This sounds like a classic fuel system problem. Manually check your 1 & 3 plugs to prove /disprove the code. If they're OK, which I'll bet they are, check the fuel pump. If it tests good then you have a fouled gas tank, I'll bet. Especially if you live in the Northwest. If you let it sit with low fuel, the extra air space lets condensation form, causing rust and moisture in your gas. Usually changing the fuel filter will give you some temporory improvement if this is the problem. If it didn't then it could be your air intake not delivering enough flow to give it the proper fuel/air ratio. When's the last time you changed the air filter?

Posted on Nov 17, 2009

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  • 110 Answers

SOURCE: i have a 99 grand am SE 2.4 4 cylinder and my

A misfire doesn't always have to be ignition... it's just the most common cause. Faulty or plugged injector, low compression. You need to check fuel pressure and test the fuel injector flow. Then check compression. If you don't have tools for these tests, take it to someone who does. Testing is much cheaper than throwing parts at the problem.

Posted on Feb 25, 2010

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3 Answers

I have a 97 ford thunderbird with 4.6 v8 codes show cylinder 1&4 misfire I have changed plugs wires maf sensor and it ran fine for a luttle bit then started again


1 and 4 show to be on separate coils. Check to make sure the plug wires near the 1 and 4 wires are not touching as this can cause cross firing among cylinders.

Jul 06, 2015 | Ford Cars & Trucks

2 Answers

How do fix miss firing on the motor number 2 cylinder?


Cars are computerized these days and the sparking system does not use spark plugs any more but rather a spark module. Just like the old spark plug system though when the tip of one of the spark units wears the gap gets too wide and no longer can bridge the gap. These cannot be adjusted. My V8 Caddy engine has a spark module that had this problem so I had to replace the module which holds 4 spark units, one for each of 4 cylinders. There are 2 modules, 1 front and 1 rear. I only had to replace the front module.

Jun 15, 2015 | Cars & Trucks

1 Answer

On a 1997 ford thunderbird 4.6 liter V8 - Where is the ignition control module located?


They are plug and play units...passenger side of interior...usually behind a kick plate or bolted to the general area around the heater box

Feb 18, 2013 | 1997 Ford Thunderbird LX

2 Answers

1997 Pontiac Sunfire 2.4 DOHC, 2 outside cylinders won't fire


One coil serves those two cylinders (no. 1 and 4), so try repllacing that coil.

Nov 10, 2012 | 1997 Pontiac Sunfire

2 Answers

Misfire on number 6. changed spark plugs and coil, still reads misfire on number 6


What vehicle?

Spark plugs never misfire, by design, Wear yes,that stresses the
ignition modules

If you have a coil, that is for all cylinders,the others fire okey !

We need your year,engine, V6, V8, etc, to help

You never change parts to solve any issue
That is called wishing,hoping,pushing,poking,

What code # did you get PO306?

Dec 05, 2010 | Buick Rainier Cars & Trucks

2 Answers

Have a 2000 ford explorer with a 5.0 V8 in the rain the other day started to skip and it shows cylinders 1 and 6 not firing. |Drove it two hour strait trip day before and it ran great. It ran great until...


It could be the coil, or the ignition module where there coils sit on. Start with the simple and check the spark plug wire first, then work your way to the coils and module. Once you work your way to the coils, try switching the coils around and see if the misfire will switch cylinders which would indicate a bad coil. If the same cylinders are still misfiring after the coils have been switch, then it's a good chance that's it's going to be the wire harness to the ignition module or the module it self. Good luck and hope this helps.

Oct 28, 2009 | 2000 Ford Explorer

1 Answer

Code reader was reading miss in #5.changed coil pack now reads random miss fire


Recheck the ignition module, The module is what the coil pack sits on and the wire harness may be damaged due to corrosion or broken wires. At worst, the module is bad it self and needs to be replaced. Good luck and hope this helps.

Oct 28, 2009 | 1999 Pontiac Grand Am GT

2 Answers

1997 Saturn sl2 Code P0304-IC module cam reference


yes it is the ignition coils . po304 is a miss fire on #4 cylinder.wires and plugs should fix the problem unless ignition coil is not firing. there are 2 coils they run 1&4 2 &3 cylinders.

Mar 12, 2009 | 1997 Saturn SL

2 Answers

Ignition control module location for 1997 ford thunderbird?


1997 Ford Thunderbird Transmission problem
When driving normally transmission surges like it is not in gear. Had sensors replaced, nitural safety switch, and still acts up.

Dec 12, 2008 | 1997 Ford Thunderbird LX

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