EV Diagnostics
Source-backed diagnostic reference

P1312 EV diagnostic code

Injection Pump Timing Actuator Circuit

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

  • MAZDA: Injection Pump Timing Actuator Circuit Source
  • SUBARU: Exhaust Temperature Sensor Malfunction Source

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