Back to 2001 BMW 525iT E39

2001 BMW 525IT E39

2.5L I6 M54 TouringRWDAUTOMATICgas
Repairs0Labor595Torque2406Fluid7DTC683Battery0Maintenance0Recalls0
P0313moderate severityPowertrain

Misfire Detected with Low Fuel

on 2001 BMW 525iT E39 2.5L I6 M54 Touring · RWD

What this code means

Misfires detected when fuel level is low.

Symptoms

  • Check Engine Light
  • Rough running on low fuel
  • Stalling

Common causes

  • Fuel pump losing prime at low fuel level
  • Fuel pickup screen clogged
  • Fuel tank contamination

Diagnostic steps

  1. Monitor misfire counts vs fuel level
  2. Inspect fuel tank
  3. Test fuel pressure at low fuel level

Repair notes

Fill fuel tank and test. Check fuel pump and pickup.

Other Powertrain codes on this vehicle

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