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Subject:Re: 86 Syncro 2.1 surging at 2K rpm no load
From:David Beierl
Date:Thu, 24 May 2012 18:05:06 -0400

At 08:30 AM 5/24/2012, pickle vanagon wrote:
>When the Hall distributor is bad in a situation like this, what's going
>on?  Is is not sending rpm signal to the ECU at all or does it send
>incorrect (too slow?) info?

The timing of the pulses is controlled by the slotted steel rotor
that periodically exposes the Hall-effect device to a magnetic field
as it rotates.  The pulses might be of poor quality or missing
entirely, but if they do happen they should happen on time.

Yours,
David