Having problems with your Dodge Durango ?
p171 p174 - Durango Dodge Cars & Trucks
P0171-- system to lean (bank 1)----p0174-- system to lean (bank 2 ). bank 1 is the side that #1 cylinder is on. bank 2 is the other side. the cause may be bad 02 sensors on both banks, or a exhaust leak. also you may want to check and clean the mass air flow sensor. for the sensor will set the same code as 02 sensors. good-luck!!
Repair Help & Product Troubleshooting for Dodge Durango
Tips for a great answer:- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.