Fuel Pump Relay
WARNING: This page is about a different car, the 2001 Audi S4 and 2001 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
Fuel Pump (FP) relay supplies voltage to the fuel pump as well as several other fuel injection components. ECM grounds FP relay when ECM receives RPM signal. FP relay is located in position No. 4 of micro-central electronics center in driver's side footwell. See Figure .
To test fuel pump relay, see appropriate DTC under DIAGNOSTIC TROUBLE CODE DEFINITIONS in appropriate SELF-DIAGNOSTICS article.