Operation CHARM: Car repair manuals for everyone.

Fuel System, Bleeding



Fuel System, Bleeding

To prevent damage to catalytic converter the fuel system must be bled after repair work on fuel lines or on fuel filter.

Work procedure
- Start engine and let engine run a few minutes at average RPM and then turn off again.

NOTE: At the beginning, engine may run roughly due to air in fuel supply system.

- Check fuel supply system for leaks.
- Check DTC memory and, if necessary, erase.
- Perform a road test with at least one acceleration at Wide Open Throttle (WOT), then fuel supply system must be checked again for leaks.
- Check DTC memory and, if necessary, erased. After DTC memory is erased, a readiness code must be generated for engine control module using operating mode "Guided Fault-Finding".