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What can cause an ignition module go bad? - LeSabre Buick Cars & Trucks

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Age, use, excessive heat or moisture. Or some other component could fail and start a chain reaction.

Posted on Oct 01, 2010

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Old spark plugs. Ones that have over 50,000 miles on them or more than four years of use.
Worn plugs put electrical stresses on ign modules
There are other things--Heat Exposure,Time and more.

Posted on Oct 01, 2010

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Anything from vibration causing a cracked case that let water in and fried it, to vibration making it loose wires, the terminals rusting over, no current gets through, basic corrosion, the thing just sucks ... It's hard to say.

Posted on Oct 01, 2010

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Heat is the biggest issue. When replaced, new heat conduction grease must be installed, or much quicker failure.

Posted on Oct 01, 2010

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2 Answers

What causes no spark ?


many things can prevent spark:
bad plugs
bad plug wires
bad ignition coil(s)
bad ignition module
bad wiring
blown fuses
fried computer
etc etc etc

May 03, 2015 | Cars & Trucks

1 Answer

Still no spark coils are good could it be crank position censor and where is ignition module


Yes bad crank sensor will cause no spark. Not all cars have ignition modules so ignitors may take place of them. Check your shop manual for full ignition information.

Jan 20, 2015 | Cars & Trucks

1 Answer

WHAT IS THE CAUSE FOR IGNITION COIL FAILURE ON QUANTUM 2TR/FE?


Bad pick up coil in distributor. Also. Could be crank sensor that's. Is bad. Or ignition module. ... or it has a bad p,c.m ( brain )make sure all fuses are good and relays

Sep 01, 2014 | Cars & Trucks

1 Answer

Wont start..no spark computer problem?


many things will cause no spark bad distributor cap or rotor.bad plug wires.ignition timing to far advanced cause by loose distributor.could have faulty ignition coil or module.check ignition fuse.probably could be faulty PCM i would have it checked out.could have bad crankshaft sensor.

Aug 01, 2013 | 1988 Mazda B2200

2 Answers

When my 92 chev van Lumina gets warm it stalls and won't start till It cools down. What could the problem be.


You'll need to get more information. Find an auto parts store that offers free engine code readouts and have them tell you what the engine computer has detected. This will shorten the long list of possible causes. Post again with the results - you may get to post your own solution.
I've had a bad fuel injector driver transistor in the computer (throttle body injection) and an ignition module do this to me.

Oct 03, 2012 | 1992 Chevrolet Lumina APV

2 Answers

1987 corvette cranks but wont start has fuel psi [50]and has spark.


The ignition module located inside of the distributor is what generates the signal that the ECM (Engine Control Module) uses to time and fire the fuel injectors, as well as the signal to run the fuel pump and the dwell signal timing to fire the ignition coil. A faulty ignition module can cause any one of these systems to malfunction.

That does sound like a malfunction with the ignition module inside of the distributor, and you can remove the ignition module and have it tested for free at most auto part stores.

If you do purchase a new ignition module be sure that it does come with a silicone grease or a die-electric compound because it is a heat sink and the ignition module will burn up without it.

To install the new ignition module first clean out the mounting surface inside of the distributor. Then completely coat the metal contact surface under the ignition module with a thick coat the silicone grease or die-electric compound and do not leave any of the metal contact surface of the ignition module un-coated with the silicone grease or die-electric compound, and be very careful not to over-tighten the ignition module or it will be damaged.

Jun 18, 2010 | 1987 Chevrolet Corvette

1 Answer

1990 gmc 6500 topkick with no spark or injector pulse. all 4 wires on the ignition coil have battery voltage with key on. is coil shorted or is the ignition module bad?


You are jumping to conclusions. Slow down.
No spark AND no injector pulse indicates none of the desired outputs were triggered. The ignition module makes spark when it receives a crankshaft position sensor signal, and then transfers control of that spark to the computer after it starts. The module takes its crank sensor signal and generates an RPM count that it forwards to the PCM(main computer) which is used for triggering the injectors and controlling timing. SO, if you had a bad crank sensor OR a bad ignition module, you could lose both spark AND fuel. a coil would not disable injector pulse. modules RARELY fail in a manner that disables RPM reference to the computer causing it to not fire the injectors...At this point, I would TEST the crank sensor as the next step. If its easier, 1 of the wires on the module goes directly there so you can test the crank sensor at the module.

Sep 18, 2009 | 1990 GMC K3500

1 Answer

No start


I'll give you a list of a few things that could be causing your problem. However, I think it's most likely a bad ignition module. I looked this up on the web and I see a lot of ignition module problems for the 2002 Escape. I checked the Ford recall list but there was no recall issued for what looks to be a very common problem with the ignition module.

Here are some other things that could be causing your problem.
1. Bad ignition coil
2. Clogged fuel filter
3. Clogged air filter
4. Clogged fuel injectors
5. Bad spark plugs, wires, distributor cap and /or rotor.

May 25, 2009 | 2002 Ford Escape

1 Answer

1997 nissan altima has no spark at the plugs.


get those sensors connected to the output of the module tested cause its ruining the module

Apr 23, 2009 | 2002 Nissan Altima

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