Thanks for all the input. I think (but I'm not sure) that my mechanic was concerned with the expense of diagnosing bad wiring that connects to the main engine harness, and so offered to have me do some basic continuity testing. As for plugging in the MAF, he may have thought it a bad idea since it w...

Hello fellow Volvoists. I've learned so much already from sites like this that I thought this would be a good place to ask about a very specific issue. So here goes: I have been told by my mechanic that the wiring harness to the MAF sensor on my 96 850 turbo is bad - it keeps throwing off an error c...