Old off-road farm truck was running fine but one day she decided to use only 3 cylinders so I gave her a tune-up; plugs, wires, rotor, cap and fuel filter(that was fun). No help and maybe made things worse as now at times only runs on two but some times at idle on 4. Just a little throttle and...
Truck is used off-road only on the farm. One cold winter day she decided to run on 3 so I gave her a tune-up; plugs, wires, rotor, cap and fuel filter (that was fun). No help. Now at times she is running on just 2 but sometimes at idle on all 4. With just a little accelerator she drops 2.
