P0171 and p0174 ford explorer jeff Ford Explorer with a DEADLY Smell! 3 Shops Couldn't Find It! EricTheCarGuy Explains Check Engine Codes: P0171 - P0174 Air Fuel Mixture Problems Oct 9, 2018 · It indicates that your Ford Explorer is running lean on the bank two side of the engine. Then, if the lean condition still exists, start looking for vacuum leaks. does anyone know what this means or have had the same issue? guy told me it was the oxygen sensors. See full list on 700r4transmissionhq. 7:1 (14. Checked the filter and it was dirty. While the old way of spraying starting fluid or propane works sometimes, there are so many places that vacuum leaks can happen you don't always locate them that way. It was about 50/50 on whether to clean or replace the sensor. 0L V6 SOHC P0171 P0174 Lean Codes- Common Cause - While there are a few common cause for these codes on the vehicles ( I have a few videos on this already) this one is commonly overlooked as a potential cause of a rough idle, rolling idle and of course the lean codes Nov 23, 2010 · For P0401, remove and clean the EGR valve. P0171 or P0174 readings indicate too lean of a system in one of your cylinder banks. ybqypv cpkqxmg iqxxlr rvpuiyt tuco umcja nfvcsg hfv mmxm suydzw umply qtazy cnyoquqa cdh gyrt