OBD-II code · Powertrain (generic)

P02E5 Diesel Intake Air Flow A Control Stuck Closed

Diesel intake throttle A is mechanically stuck closed — engine starves of intake air.

Is it safe to drive with P02E5?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • Most likelyCarbon buildup holds flap closed
  • Less likelyCarbon or debris buildup preventing free movement
  • Less likelyComponent wear with age - mechanical play

Repair at a glance

Difficulty
Medium
DIY friendly
Often, with basic tools
Typical labour
0.7–3 h
Emissions test
Likely to fail
Parts involved
Diesel Intake Throttle

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.