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  1. K

    Speedometer, Tranny, ABS, PSOM ongoing problems

    I'm still dealing with speedometer fluctuating. This situation seems common when talking to others. When first began to battle the speedometer fluttering (it begins around 45 mph; then at 70 mph it hopes back-n-forth to 60 mph). The tachometer also was fluttering some. Disconnecting the abs...
  2. K

    1986 A/C-Heater air flow, not right

    1986 F-250 6.9: A/C - Heater control on the dadh no longer allows air to defrost/floor/mix (maybdodoe mix?) I don't use A/C (disconnected the belt). All was working as it's suppoed to. Then last week, when moving the arm/lever for defrost/mix/floow/vent, all that would come out was air blowing...
  3. K

    1993 VSS E4OD Question

    1993 Ford F-250 7.3 IDI, non-turbo, E4OD If the VSS (Vehicle Safety Switch) on the rear axle should fail to operate/work (say broken wire) so the speedometer will not work/show mph's, yet the tachometer still functions (probably not involved with the speedometer, but letting it be known)...
  4. K

    203 temp thermostat in '93 idi?

    What's your opinion in changing from factory thermostat to a 203 temp thermostat in a stock 7.3 idi 1993?
  5. K

    1993 E4OD torque converter

    I'm in the process of purchasing a 1993 F-250 7.3 IDI non-turbo, 3:55 gears, extended cab, 112,400 miles on it. Seller's had it for 3 years, only put 1,000 miles on it since then. He bought it for the heavy camper that came with it and prefers his Duramax truck. Previous owner used it for...
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