Hey Guys,
Just as the title says, I installed headers and an x pipe and it seems that I am throwing a p1635 code which is a reference voltage code for the MAF and Oil pressure sending unit. From the log I took, the MAP does not go above 67 KPA and the oil pressure doesnt go above like 30 PSI when cruising.(except for sometimes it randomly goes higher to normal range). I have been driving the car daily in what is mostly open loop I think because of this code setting. I know I had to remove two grounds from the engine during the header install(which I reattached) so maybe is causing the problem? Let me know what you guys think.
Here is the log from today that I took