DTC P0171 = Rear Bank ( Bank 1) fuel system too lean.
DTC P0325 = Knock Sensor Circuit Malfunction.
DTC P2595 = Unknown trouble code.
Apr 10, 2010 at 10:04 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.