hello, good morning.
this is my first post.
last night I took the codes of the suv(explorer 1993), and give me 2 codes.
the first is the number:
-539 (O) System shows voltage at PCM pin 10 Is A/C on ?
the second number is:
-123 (O,M) TP is/was high or short to power - TPS .
I'm...