Code result
P2D51
Air Assisted Injector Control Circuit
Moderate severity
What it means
The control circuit of the air-assisted fuel injector reports a generic fault. Air-assist atomization for cold-start or low-load conditions cannot be commanded.
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
Wiring or connector fault
highOne of the most commonly reported causes for this code — check this first.
Air-assist actuator failed
mediumA plausible cause — test and verify before replacing parts.
Related help
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