Question about 1990 Dodge Dakota

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1990 Dodge Dakota stops running and there is no spark rtom the coil to the distributor

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  • Donald Hoglan Dec 31, 2010

    this is don again. the engine is a v6 3.9l, fuel injected with a manual transmission. i've put in new spark plugs, cables, distributor cap and coil. it would start and run for a minute or so then die. after doing this a few times it would start and run fine. same thing for a couple weeks, now can't get any spark at all. i will certainly check the crankshaft sensor. how about also the hall effect?

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  • 1,168 Answers

Hello Don.
When you say it stops running I will assume you mean it does restart?
If indeed this is true, I suspect it quits when it gets warmed up.
Crankshaft sensor problems are a very common problem in these trucks.
When heated they would expand and open a circuit in a coil inside them.
When they cooled, it would again make contact and restart.
The V8 318 was the worst but also would happen in the V6.
The sensor is mounted in behind the right side cylinder head down close to where the engine and transmission are bolted together.
They are held in place by a bolt with a 10mm head.
The sensor should be available at your favorite auto supply.
If my assumption is off the mark, let me know with a little more background on the problem and I will try to help you along.

Happy New Year and thank you for using FixYa.

KL

Posted on Dec 31, 2010

  • FUBAR Dec 31, 2010

    Hello Don.
    The crankshaft sensor is a hall effect sensor.
    It gets the signal off the flywheel at the rear of the engine.
    I still suspect it may be the problem, although there is still a possibility of another issue.
    In my shop it would be hooked up to a meter capable of reading the signal to verify it.
    KL

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