Ruff idle stalls code p0171, p2195, and p2197 on 07 ford expedition xlt

Question

It was perfectly fine and an hour later as soon as I started it, it was shaking and jumping and idle high then low abnd will sometimes stall and drives just horrible

Answer 1

Hi there,

The codes P2195 and P2197 indicate an issue with the O2 sensor on bank 1 and 2 sensor 1. Here is a list of possible causes for these codes.

P2195 FORD - Oxygen Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1

Read more: https://www.autocodes.com/p2195_ford.html

The code P0171 indicates the fuel mix is too lean. Here is a list of possible causes for this code.

P0171 FORD - Fuel Injection System Too Lean Bank 1

Read more: https://www.autocodes.com/p0171_ford.html