I have a 1986 ford f 150 it keep stalling on me I just had the coil replaced but it still stall what should I do
Get some throttle body cleaner and go right through it. Clean out your Idle Air Control valve really well. If problem persists, try replacing the Throttle position sensor.
1986. Possible idle speed control valve as stated above, ignition module intermittent operation, distributor stator intermittent operation, codes should be pulled, might help with further diagnosis.
Search Ford F-150 Questions
Ford F-150 Experts