1987 Toyota 4runner - gas mileage is not up to par...?

Scott C

New member
I suspect something is wrong with my old Toyota 4runner. It's a Canadian truck so the trip meter and odometer are in kilometers rather than miles. Anyway, after a complete fill up and top off I used to get roughly 510 kilometers. Lately for some reason I can only manage to squeeze about 440 kilometers. It's a rough 440 too, I am on fumes at that point. I've changed the cap, rotor, plugs and fuel filter. The air filter is fine and the motor does not run weak or rough in any way. Any ideas on what else I should check?
 
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