Question about Ford Ranger

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The engine will start adn run then you shut it off and more than half the time it will not fire again. The last time I checked it I had power to the coils but we had no spark.

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  • tpatterso426 Jul 27, 2009

    distributorless ingintion. Primary side of coils check out but I can not check secondary. I did replace one coil pack also I have the crank position sensor but I not sure this is the right course of action.

  • tpatterso426 Jul 27, 2009

    The 1995 ford ranger has a distibutorless ignition and has good power to the coils. The primary resistance checks good but still no spark. I have changed one coil pack and have a crank position sensor ready but what would you check next?

  • tpatterso426 Jul 27, 2009

    How do you check? Where is it? What is the possibility of the crank position sensor being the problem. So infrequent

  • tpatterso426 Jul 27, 2009

    What about the crank position sensor, can it be working and not working or is it all or nothing

  • tpatterso426 Jul 27, 2009

    I will try this this evening.

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  • Master
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1- When you have a problem with the start, try several times, so fuel could spray inside the combustion chamber.
2- Then take off all the spark plug to see if they are wet. It it is so, you don't have a problem with fuel.
3- While all spark plugs are out.
4- Plug in the wire one by one and hold the spark plug touching the chasis when cranking the start to see spark or not and which one is failing to replace the bad coil.
5- If all of them have no spark,then there is a problem with you ignition module. It cracks some where in the insulator, expanding when it is hot causing a short, and contracting when it is cold acting normally.
6- If all of them have no spark and you don't have a fuel at step 2 check then your crank shaft sensor is bad. It is the one control the fuel in the injector and spark by enabling on-off signal for the primary coil. Good luck.

Posted on Jul 27, 2009

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  • Ford Master
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IT COULD BE THE TFI MODULE.IT WILL CAUSE STARTING PROBLEMS

Posted on Jul 27, 2009

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  • Expert
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There is only a couple of reasons your truck won't start. your coil is bad or is going bad. check primary resistance it should be 1 to 3 ohms. also your cap and rotor on the distributor are probably carbon tracked very likely and will allow the truck to start some of the time. a new cap and rotor is quite inexpensive most likely under $35.00 for both. I would certainely check your cap and rotor first then your coil as this is most certainely a primary ignition problem. if you have checked everything I mentioned the only thing left to check is the ignition module. hope this helps!!!

Posted on Jul 27, 2009

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