Code result
P04CF
EGR Temperature Sensor C Circuit Range or Performance
Moderate severity
What it means
Same as P04CE with the signal in plausible range yet not matching the engine model - typically sensor drift or a slow response after engine warm-up.
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
Sensor element drifted
highOne of the most commonly reported causes for this code — check this first.
Related help
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