backfiring | Ford Explorer Forums
  • Ford Explorer Community - Maintenance - Modifications - Performance Upgrades - Problem Solving - Off-Road - Street

    Explorer Forum Covers the Explorer ST, Explorer Sport, Explorer Sport Trac, Lincoln Aviator,
    Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Ford Aerostar

    Register Today It's free!

backfiring

  1. I

    1991 backfiring problems

    Hello, Im new to forum post, but I end up here a lot when Googling problems with my 1991 Explorer. Anyway, I was getting below average fuel economy and decided it was time for a tune up, I purchased new plugs ( Bosch Iridium #9655 ) and wires. When installing the new ones I crossed numbers 4...
Back
Top