It's all true.  If your engine is not fully upto temperature you will get  a
lean mixture when you turn the injectors on again due to the lack of
fuel puddling which was there before.  Obviously you have to re-
enable the injector when it is turned off.

Have you looked at retarding the spark to reduce power output?

Martin

> > Skipping ignition pulses isn't very fuel efficient.
> > If it's injection, you could turn off the injectors on a
> > cylinder-by-cylinder basis, and then save that fuel.
>
> Also, overheats the catalytic converter (if so equipped).  Possibly detonates it :)
>
> Even if not equipped with one, raw fuel air mixture hitting hot exhaust often detonates in the manifold blowing out the muffler (don't ask me hoe I know THAT one... ).
>
> Steve
>
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