Code result
P03B0
Cylinder 3 Pressure Variation Low
High severity
What it means
Cylinder-to-cylinder pressure variation on cylinder 3 is below the calibrated minimum — pressure stays unusually constant cycle-to-cycle, often a sign that the closed-loop combustion controller has lost authority or the sensor signal is filtered.
Is it safe to drive?
No — stop driving
This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.
Most likely causes
Sensor signal filtered or controller saturated
highOne of the most commonly reported causes for this code — check this first.
Related help
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