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Trouble shooting – Bully Dog 40390 PCH with Pyrometer Lead User Manual

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Trouble shooting

PCH/PyromETEr TroublESHooTing

ConDiTion

PoSSiblE SourCES

ACTion

PMT will not display proper
temperature EGTs

Pyrometer Probe
Connections Incorrect

Check the orientation of the Pyrometer connections on
the PCH to ensure that the Pyrometer leads are properly
connected.

Pre-turbo temperature
readings are extremely high,
above 1500° fahrenheit

The Pyrometer probe may
be too close to the cylinder
exhaust exit, combusting
fuel can touch the probe
causing temperatures to be
unusually high.

Change pre-turbo mounting location, move closer to
the turbo charger.