"Dave Plowman (News)" > wrote in message
...
> In article >,
> Redwood > wrote:
>> Starts & drives well but gutless at top end. Up to about half throttle
>> it has plenty of pull but put your foot down for overtake or
>> approaching inclines and there isn't much there and takes a long time
>> to build up speed - usually have to knock it down the gears.
>
> On full throttle most cars go open loop so the lambda sensor no longer
> controls the mixture.

I guess that would rule out the lambda then. It does seem fuel related
though and if you ease off the throttle you can feel it become more
responsive.