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[SquawkVFR]

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[DanH]

Ali, you have the correct numbers. Most like to see 25 to 30 psi as the "normal" range.

The VDO senders are not super reliable. Can't speak to EIS configuration; don't know what you have.

 

[VA Maule]

Considering you report it running well, I’d suspect that the electric sender is probably not reading/reporting correctly. I’d “T” in a old school manual direct reading gage temporarily secured in such a way that you or a helper can observe it during a run up check and compare the readings.

 

[BoydBirchler]

VDO senders come in 2 versions : single wire and double wire. The single wire depends on grounding through the outside of the case. If the case is not fully grounded you will get an incorrect reading.