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The following test steps must be performed in the given order. If a fault is found in one test step, the subsequent test steps can be skipped.
Fuses
- Check the following fuses for proper operation:
FE21 Fuse
- If fuse FE21 is defective:
Function Checks
- Verify mechanical system functions/components
- Check intake system/charge air hoses for leaks (secondary air, porosity and blockages)
- Check connected hoses and tubes for kinks, damage etc.
- Check the hose clamps at the intake-air system / charge-air system for correct fitting.
Perform the following troubleshooting:
After successful test/fault repair proceed to the next test step
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