Code result
P04A7
Exhaust Pressure Control Valve B Position Sensor Circuit Range or Performance
Moderate severity
What it means
Same as P04A6 with the signal in plausible range but not matching the actual valve angle.
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 or offset
highOne of the most commonly reported causes for this code — check this first.
Related help
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