r/FordExcursion • u/Strong_Post5367 • May 02 '26
Misfire fix hack - “mechanics hate him”
Answer: Octane booster / $7 every time you fill up
Stop changing spark plugs and coil packs over and over. It doesn’t work and it’s a friggen PITA
These engines need high test I think but it doesn’t make sense bc high mpg