OBD-II code · Powertrain (generic, extended)

P2A76 Alternative Fuel Hydraulic Pump Pressure Sensor Range/Performance

The alternative fuel hydraulic pump pressure signal does not match plausibility checks. Sensor drift or installation offset.

Is it safe to drive with P2A76?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • Most likelySensor zero drifted
  • PossibleSensor mounting loose - bias offset
  • Less likelySensor element aged beyond calibration window

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
1–4 h
Emissions test
Likely to fail
Parts involved
Alt Fuel Hyd Pump Pressure Sensor, Wiring Harness, Afcm

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.