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Help with CPU 98 4.0


13Bnurse

New member
Joined
May 23, 2021
Messages
3
Reaction score
0
Points
1
Vehicle Year
1984
Vehicle
Bronco 2
So what I did was to put 98 4.0 from an explorer into my 84B2. Yes just about the entire thing. On and off it runs ok but now I am getting all the possible transmission error codes. In kept the manual transmission but the CPU from explorer was automatic. Could it be in limp mode? Runs rich,sputters and hesitates bad.
I also struggle with the purge solenoid solenoid and valve errors. What is a cause of problem that I am passing over.

I have either tested or replaced every emission part on vehicle,fuel pressure good, fuel regulator good, has spark and great compression. No vacuum leaks.

help!!

yes I know I picked the two worst to combine into one vehicle. I accept that error
 

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