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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 08-02-2007
GearBoxKevin's Avatar
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Plug wires.. bosch vs. Other

Iam running a set of Bosch 8mm plug wires on my 95 4.0L and iam having a slite problem with the truck running rough. There is a guy that i know thats telling me not to run bosch with any ford, that they dont go together. I ran the Bosch +2 spark plugs and blew the center electrodes off, now iam running autolite plugs. What do you recommend for a set of plug wires?
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Old 08-02-2007
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I ran 8 2+ Bosch Pluts on my old truck for the last 35+ thousand miles and never had a hint of a problem. That was also with cheapo wires. In my new truck i'm running Taylor wires and they were noticably better than the old standard wires. I suggest Taylor or MSD
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Old 08-03-2007
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bosch is crap. end of discussion.
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Old 08-09-2007
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Well I changed my plugwires on sunday with a set of Duralast wires from Autozone, just until i can find some better ones. The truck still pops when idling but not as bad, thats a plus in my book...
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Old 08-09-2007
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Have you tried disconnecting the battery and letting it sit for an hour.. resetting the ecm? Sounds like it might be timing. Sometimes letting the ECM re-learn helps.
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Old 08-09-2007
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Yes, many times, some overnight... according to the "Sun 500 Engine Analyzer" that I used, timing is fine, even double checked it with a timing light. Iam leaning towords the EGR. The primary and secondary sides of the coils are within spec. and the plugs are clean and still gaped to what i set them at.
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Old 08-10-2007
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get a set of omni spark plug wires from o'reilly and autolight plugs....run some seafoam through the intake that might help...an it wont hurt to run some of it through the gas either.
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