Code result
P0169
Incorrect Fuel Composition
Moderate severity
What it means
Fuel composition (e.g. ethanol fraction on flex-fuel vehicles) outside expected range. Wrong fuel filled or sensor fault.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Wrong fuel filled (e.g. E85 in non-flex)
highOne of the most commonly reported causes for this code — check this first.
Related help
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