OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Powertrain generic / SAE

P2E61

Alternative Fuel Misfire Detected With Low Fuel

Misfire detected during alternative fuel operation with low tank level. Possible fuel starvation or pressure regulation off.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberE / 61

Possible causes

  • Alt fuel tank near empty high
  • Pressure regulation unstable at low level medium

Symptoms

  • Check engine light on or flashing
  • Rough idle and uneven running
  • Power loss, hesitation under acceleration
  • Increased fuel consumption
  • Possible smell of unburned fuel from exhaust

Inspection / repair

  • Difficulty: medium
  • DIY: shop recommended
  • Estimated cost: 150–1500 €
  • Estimated time: 1–6 h
  • Component: alt fuel injectors
  • Component: alt fuel rail
  • Component: ignition coils
  • MIL / check engine light
  • emissions-relevant
  • drive cycle required
  • limp mode possible

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication