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2000 ford excursion 6.8 v10
Changed spark plugs , oil, air filter, and fuel filter in July.. 2 weeks ago it started idling funny sounds like it wants to kill in reverse or drive.. Runs rough at 40mph.. No check engine light
Changed fuel filter again just in case
Obd2 reader shows fault on pcm and abs speed sensor input circuits.
No scanner needed, just a Windows laptop or a smartphone/tablet and a method to connect them to the OBD-II port. A USB cable is usually used with the laptop and a Bluetooth adapter for the smart devices. Both can be purchased off Amazon. More info here: https://forscan.org/home.html
There may not be other codes, but at least you will know for sure.
2000 ford excursion 6.8 v10
Changed spark plugs , oil, air filter, and fuel filter in July.. 2 weeks ago it started idling funny sounds like it wants to kill in reverse or drive.. Runs rough at 40mph.. No check engine light .....
Could be a vacuum leak or the IAC.
Check the PCV hose where it connects to the throttle body.
The hose is not reinforced and gets soft from heat.
The IAC valve can cause similar symptoms.
It controls all air flow into the engine at idle and has no codes for poor performance.
