Code result
P2DDD
Fuel Injection Quantity C Higher Than Expected
Moderate severity
What it means
The measured fuel injection quantity for group C is above the calibrated window. Injector flow drift, rail pressure off, or measurement bias.
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
Injector leaking
highOne of the most commonly reported causes for this code — check this first.
Fuel rail pressure high
mediumA plausible cause — test and verify before replacing parts.
Related help
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