Question on the fuel pump relay.
ti at amb.org
Mon Dec 2 21:45:27 EST 2002
Tigran Varosyan writes:
> Question: Does the relay send variable voltage to the pump? Meaning, does it
> sometimes open it up full bore (12V) and sometimes run it at a slower speed
> (less than 12V) depending on engine demands?
No. It's always full voltage to the pump when 'on'.
2003 A4 1.8T multitronic
2001 S4 biturbo 6-sp
1984 5000S turbo
1980 4000 2.0 5-sp
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