P0169

Incorrect Fuel Composition

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Power Loss
Increased fuel consumption
Unstable engine idling
Increased emissions

Causes

Using poor quality or unsuitable fuel
Malfunction of oxygen sensors
Problems with the fuel pump or pressure regulator
Dirty fuel injectors
Fuel filter malfunction

How to Fix

Fuel with quality fuel
Check the condition of the oxygen sensors
Diagnose the fuel system
Clean or replace fuel injectors
Replace the fuel filter
Reset the error and take a test drive

Related codes

P0171 P0172 P0174 P0175