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1990 Volvo 240 Question: electrical

 

Question

denko, 2.3L 4 Cylinder, Chester, NY, February 19, 2010, 16:42
 Rookie

it's my sons car and the sparkplug wire on the plug nearest the fan belt is always melting and exposing the actual wire and spark to the metal around it making for a very dangerous situation. he's only had the car about a month or so but the problem occured almost immediately. what is causing the wire meltdown, is it a "new" problem or was it hidden from my son by the seller and will it be expensive to fix? thanks in advance.

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  • Answer #1

    Bret Bodas from RepairPal Test Shop, February 19, 2010, 19:42
     Master

    Check the plug that is attached to that wire and see if it is OK, or just replace them all, they are quite inexpensive. Have you tried replacing the wire and if so, did the new wire melt too? Is the wire touching something in the same place it is melting?

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    denko, February 19, 2010, 22:31
     Rookie

    changed the plugs and wires and still got the same result, a badly burned wire. the seller did say he used "HOT" plugs for whatever reason. i guess that should've raised a warning flag! perhaps there's a problem with the distributor?

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    Bret Bodas, February 19, 2010, 22:58
     Master

    I bet it's the plugs, start by replacing those and I bet this problem goes away.

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    denko, February 20, 2010, 15:06
     Rookie

    changed the plugs. didn't work. my son did speak with a garage owner earlier today and he suggested that the threads for that particular plug port may be off kilter. someone may not have put the plug in completely straight causing a very hot air leak at the threads. several repair options exist just not sure if the cost is going to be worth it. we'll see. thanks again for your help.

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