Error code

OBD2 P0257

OBD2P0257
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Injection Pump Fuel Metering Control 'B' Range/Performance (Cam/Rotor/Injector).

Severity

highDriving may be possible but could cause further damage.

Summary

P0257 indicates an issue with the fuel metering control in the injection pump's rotor/cam, specifically related to performance or range problems at bank 8.

Common Causes

  • Faulty injection pump
  • Worn cam/rotor

Fixes

  • Replace the faulty injection pump or repair the rotor/cam.

FAQ

What does P0257 mean?

P0257 indicates a problem with the fuel metering control in the injection pump's rotor/cam at bank 8.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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