Audi P117F: Post Catalyst Fuel Trim System Too Rich Bank 4

Is your scanner showing Audi P117F?
No worries. We'll show you what it means and how to deal with it.

Presented by

Randy Worner

00:00/00:00

Audi P117F: Post Catalyst Fuel Trim System Too Rich Bank 4

OVERVIEW

Severity

High

DIY Difficulty Level

Intermediate

Repair Cost

$80-$380

Can I Still Drive?

Yes

What Does The Audi P117F Code Mean?

Lambda control, Closed loop Lambda control post cat, Closed loop O2S front, Ready, No DTC O2S rear, Ready, No DTC Engine load changes, < 7% Lambda set point, 1 Catalyst temperature, 350.. .850° C Engine speed, 1360.. .3920 RPM Engine load, 20.. .70% Mass air flow, 15.. .60 kg/h