I'm having trouble with my car running lean. I'm thinking it's the MAF from Pro-M. I checked out their website and on there it said to check the voltage on the A-D pins.This is what it should read: Pin A:12v, Pin B:Ground Negative, Pin C:Internal Ground 3.5-4v ,Pin D:Output +. My readings are: A:14 volts, B: .11 volts, C: .11 volts, D: .7-.9 volts. I recently hid my wires through the outside of the fender and moved my battery to the trunk. Now I read that when moving the battery to the trunk you must run your negative to the original position which is on the timing chain cover/Block. Then you must run a smaller gauge wire to the floor of the trunk. I haven't done this, I have my negative bolted down to the chassis in the back of the car. I then have another cable bolted on the same side of the chassis but up in front connecting to the block. Could this be my problem?