Code result
P2A6D
Alternative Fuel Rail Pressure Regulator Pressure Sensor Circuit Intermittent/Erratic
High severity
What it means
The inlet pressure sensor signal of the alternative fuel rail pressure regulator drops out or jumps intermittently. Loose connector or noisy ground.
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
Sensor connector not seated
highOne of the most commonly reported causes for this code — check this first.
Noisy ground reference
mediumA plausible cause — test and verify before replacing parts.
Connector with intermittent contact under vibration
lowLess common, but worth ruling out after the more likely causes.
Related help
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