1990 200 missing/lean under boost

[David Yentema]

Thanks huw, I honestly always mix those up.

Assuming a working fp, regulator, etc, control fuel pressure should remain
relatively constant during accelaration, correct?
On Jun 8, 2011 8:01 PM, "Huw Powell" <audi at humanspeakers.com> wrote:
>
>
>
>> Tony, from what I understand about o2 sensors, is the measure
>> presence of oxygen, not fuel. A lean mixture will result in less
>> oxygen, and a rich mixture in more. A misfire would mean more fuel is
>> unburnt, resulting in less oxygen, showing lean. If I am wrong,
>> please correct me..
>
> You are correct that they measure oxygen, then you got all the rest
> exactly backwards. Lean = more oxygen, rich = less. A misfire results
> in more oxygen, since it didn't get used burning fuel.
>
> Huw
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