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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
Greetings!
1998 Mercury Mountaineer 5.0L. I saw the spark yellow is weak (I think) and I did install two new pack of ignition coils but still yellow sparks and no start.
I did install new fuel filter. Nothing happened.
I think the inertia fuel shutoff switch is problem? Do you think?