Dodge Repair Questions? Ask a Mechanic for Answers ASAP
If the fuel pressure is low and or dropping it will cause the lean codes to set. let get the pressure check and we can work from there.
The gauge has to be tee into the fuel line down stream of the fuel pressure regulator.
A bad HO2S senor will not usually cause a lack of power but an exhaust leak can cause a HO2S code to set. Nor fuel pressure needs to be right at 49 PSI plus or minus 5 PSI. To check the fuel pressure you need the adapter kit. See it in the link below. The regulator is in the fuel pump so connect you adapter in the line to the fuel rail.https://dl.dropboxusercontent.com/u/104923897/Adapter%20Aug%2021.pdf