Codes P0171 and P0174
Codes P0171 (https://www.yourmechanic.com/article/p0171-obd-ii-trouble-code-system-too-lean-bank-1-by-andrew-quinn) and P0174 (https://www.yourmechanic.com/article/p0174-obd-ii-trouble-code-system-too-lean-bank-2-by-blake-griffin) pertain to the engine running lean on both bank one, and bank two, meaning that both sides, or the complete engine, is running lean. The lean condition could be one of several possible causes....
It’s leaking green fluid from the front end Mechanic's Assistant: What is the color and consistency of the fluid? And where exactly are you finding it? Green and when car is driven and parked for about 20 minutes and fron...
It’s leaking green fluid from the front end Mechanic's Assistant: What is the color and consistency of the fluid? And where exactly are you finding it? Green and when car is driven and parked for about 20 minutes and front Mechanic's Assistant: What is the make/model/year of your car? 2007 mercury milan Mechanic's Assistant: Are you fixing your Milan yourself? What have you tried so far? I took it to a shop to flush it and add oil due to it running hot at one point