Code result
P2A3E
Alternative Fuel Delivery Error
High severity
What it means
The AFCM detects that alternative fuel delivery to the engine deviates from the commanded amount. Pump output, valve actuation, or injector flow does not match expectations.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Alt fuel pump output degraded
highOne of the most commonly reported causes for this code — check this first.
Alt fuel injectors partially clogged
mediumA plausible cause — test and verify before replacing parts.
Related help
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