Audi 4000 S Quattro fuel system problem write-up.

Bernard Littau bernardl at
Wed Dec 4 14:58:01 EST 2002

> Car: 1985 Audi 4000S Quattro CIS-E Fuel Injection 5 Cyl.
> Problem:
> Fuel delivery outflows the fuel return rate. The plunger was becoming
> pressure-locked and stopped fuel delivery.

Very nice write up, Tyson!

That being said, I am having trouble with the concepts of (A) the fuel
return rate being exceeded, and (B) the plunger becoming pressure locked and
(C) high pressure causing fuel flow through the metering head to cease.

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