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2001 explorer4.0 misfire


iroc254u

Member
Joined
Feb 9, 2009
Messages
13
Vehicle Year
1999
Transmission
Automatic
Need some help. I changed my plugs and wires on my truck and it is misfireing and not running well. I pluged the computer into it and it said cyl 6 misfire but i cant find anything wrong with it.
 
If all you did was plugs and wires AND

it wasn't misfiring before that:

it has to be a plug or a wire. I've gotten a bad plug before (been years ago) and I've seen people cross the wires and create a misfire.

I'd reinstall one of the old plugs and verify the wire is routed to the proper cylinder. I hope you aren't using Bosch or some gimmick spark plugs, Motorcraft or Autolites are best.
 
Amen to Earl43P. Either bad plug or wire. Had the same problem when I tried E3 plugs.
 
Got it fixed i must have broke plug 6 when putting it in. Thanks for the help
 

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