Re: Testing Knock Sensors

[Orin Eman <orin@wolfenet.com>]

> > > > you also should be able to watch the flywheel with a timing light, as
> > > > your talented assistant taps the block (or the sensor - but with
> > > > something light like a thin screwdriver - very lightly!), you will see
> > > > the timing get retarded as the ECU "hears" the knocks you are making and
> > > > takes corrective measures.
> > >
> > > Probably won't work.  The ECU knock code only takes effect
> > > over 0.7 bar manifold pressure.

> I've seen it... albeit on a 4 cyl engine, mounted sideways in the car. 
> Normally aspirated.

Oh those... they probably don't have any idea of manifold pressure :)

Orin.