On Dec 13, 2007 5:56 AM, scottmryan <scottmryan@netzero.net> wrote:
> I get a 'long term fuel trim too lean' from both banks on a 98 audi a4 from
> using e85, which could be caused by a dirty fuel filter, in tank 'sock' or
> too low pressure fuel pressure regulator. (or fuel pressure regulator vacuum
> line? although that leaking should be fuel trim too rich) probably unlikely
> to be the oxy sensors since it's both banks.
Is the Audi supposed to be able to run E85? Flex fuel vehicles have a
sensor that tells the computer what the fuel mix is. Ethanol requires
a different air-fuel ratio.
--
David Scheidt
dmscheidt@gmail.com
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