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

P2282

Air Leak Between Throttle Body and Intake Valves

The ECU detects unmetered air entering downstream of the throttle body. Typical sources are leaking intake-manifold gaskets, vacuum hoses or PCV components.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number2 / 82

Possible causes

  • Leaking intake manifold gasket high
  • Cracked vacuum hose medium

Inspection / repair

  • Difficulty: medium
  • DIY: possible
  • Estimated cost: 80–600 €
  • Estimated time: 0.5–3 h
  • Component: intake manifold
  • Component: intake manifold gasket
  • Component: vacuum hoses
  • Component: pcv valve
  • MIL / check engine light
  • emissions-relevant
  • drive cycle required

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