As the 850 never had the filter, they are more prone to ingesting crap that can work it's way into the bottom of the AC evaporator in the cabin air system. You can see it if you remove the cabin fan and use a small mirror and a flash light to look along the airway to the left of the fan. Look for al...
I didn't find much information on replacing the engine mount which is located under the battery. Anchor 10035. So I replaced it and will share some information. This repair can be difficult and test your patience. I purchased 1 month of all data diy. Helpful but missing replacement information. This...
The problem is fixed ! Replacing the front oxygen sensor dropped the long term fuel trim by a few percent but it was still too high under heavy loads. Replacing the MAF sensor dropped the max long term fuel trim to the 5% range. The ECM-250A / P0171 fuel trim fault code (long term fuel trim high lim...
Do you know what trouble codes were stored? Do you have Vida/DICE to diagnose? If you think it really is a fuel delivery problem, I would start with the fuel rail pressure. I don't know if your engine has regulated fuel pressure via a fuel pump control module -- if so the rail pressure should typica...
do more testing, turn the AC on and see if the fan runs longer than a few seconds. The violet wire is the fan control wire, it passes through the power distribution box near the brake reservoir. It should be a good place to probe the wire for signal. The starter wire passes close by, maybe in the sa...