"Jacopo" > wrote in message
...
> Today, my 156 doesen't feel like other days: between 3500 and 5000 RPMs,
the
> engine is something like 'strangled', it has some hesitation in giving
> power... finally, a momentary lapse of power. (Pink Floyd enthusiast will
> understand me ;-)
> Monday the light 'engine failure' came up, stayed turned on for the whole
> day, then yesterday afternoon went out. For the whole time that the light
> was on, the engine runned well. Took to a Bosh Service, and the engine
> management computer said 'error in air/fuel mix'. The mechanic said that
> wasn't so bad, in fact it wasn't a failure, but just a 'wrong
carburation'.
> But I think that this 'failure' is responsable of the loss of power of
> today: maybe the spark plugs are dirty, due to a major percentage of fuel
> during the 'failure'?
>
airmass meter MAF is common fault in V6 and symptons usually: hesitation
around 5000rpm (loses power like rev limiter).

Antti