Need Help with Check Engine Codes
I proudly own a 1995 F150 SuperCab 5.0 Auto,trans I am after all these years starting to have issues with my truck. 239678 miles still runs strong..But today popped codes on me. Well here the codes are. From my Innova 3140 Scantool CanOBD 2&1
DTL 212 loss of Ignition, Dianostic Monitor Signal/Spout Circuit Grounded.
KOER
DTL 412 Can not control RPM during KOER High RPM check.
DTC 538 See both notes 1 &2
note 1 Insuffceint RPm Change During KOER Dynamic Response Test.
note 2 Invalid Cylinder balance test due to throttle movement during test
Any help as to where I should start would be great thanks


