CLAAS 7778h – Claas Eng A15 Engine Module: Fresh Air Intake Temperature Excessively High

The fresh air intake temperature is excessively high, causing the engine calculator to reduce engine power by 20% per minute until it reaches 40% of its nominal power. Power is recovered at a rate of 20% per minute once the temperature returns to normal.

1. 1

   The air cooler (intercooler)

2. 2

   The fresh air intake temperature sensor (B222)

1. 1

   Inspect

   Inspect the air cooler (intercooler) for blockages, damage, or signs of failure.

2. 2

   Test

   Test the fresh air intake temperature sensor (B222) for proper operation and accuracy.

3. 3

   Clean or Replace

   Clean or replace the air cooler (intercooler) if it is clogged or damaged. Replace the fresh air intake temperature sensor (B222) if it is faulty.