Question

High fuel consumption on my 1999 Honda CRV VTEC, I also have the engine code P0172

Answer 1

HI there

This code is for the fuel trim to rich on bank1. This can be the result of a lot of different items. Leaking fuel injectors, bad front O2 sensor to name a couple. Here is a list of other possible causes.

P0172 HONDA - Fuel System Too Rich Bank 1
Read more: https://www.autocodes.com/p0172_honda.html