The metering pump -V54- might tick audibly but fail to deliver fuel because there is air in the suction hose. The control unit will then switch off permanently. Read event memory using vehicle diagnostic tester, auxiliary heater self-diagnosis. Erase event memory and perform final control diagnosis for auxiliary heater.
Removing and installing → Chapter
Testing quantity of fuel delivered → Chapter
8 -
Remote control receiver for auxiliary coolant heater -R149-
Removing and installing → Chapter
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Test yourself
A quick Volkswagen Golf quiz: every answer comes with an explanation and a link to the manual page.