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Step 1 (Engine was started with incorrect fuel) > < Cleanliness specifications for working on the auxiliary heater and fuel system

Golf Mk6

Procedure when filling with incorrect fuel
Procedure when filling with incorrect fuel
  Caution
If the fuel tank has been filled with incorrect fuel, irreversible damage to high-pressure components, especially the high-pressure pump, can occur due to lack of lubrication by the diesel. Damage due to seizure and metal particles can be expected. These metal particles will probably cause further damage to pressure regulating valves and injectors.
  Note
t  These instructions are intended to guide you through the individual work steps by means of a flowchart, with various factors being taken into account.
t  Push-on couplings must »audibly« engage when locking.
t  Take note of colour coding when fitting the push-on couplings → Anchor.
t  Ensure push-on coupling is secured properly by pulling.
t  Separate push-on couplings → Chapter.
Was the engine started with the incorrect fuel?
   Yes → Chapter „Step 1 (Engine was started with incorrect fuel)“
   No → Chapter „Step 2 (Engine was not started with incorrect fuel)“
   

Step 1 (Engine was started with incorrect fuel) > < Cleanliness specifications for working on the auxiliary heater and fuel system