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What does the OEM "boost solenoid" connect to?

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What does the OEM "boost solenoid" connect to?

Old 01-29-2018, 05:36 PM
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idiotloserfuckfacegarbo
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Default What does the OEM "boost solenoid" connect to?

2001 miata

I currently have nothing connected to it (other than the wiring to it), so it had the one nipple open.

I have a flat top im, and have the evap canister removed. Running stock ecu
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Old 01-29-2018, 05:37 PM
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EGR.
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Old 01-29-2018, 05:40 PM
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Oh, so if I dont have an egr valve, this stays open to atmosphere?
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Old 01-29-2018, 05:40 PM
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That would appear to be what you described to us, yes.
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Old 01-29-2018, 05:43 PM
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The stock ecu doesnt use it as some reference measurement or something? I just want to make sure its correct to be atmo, or do i run a vacuum line to it off the intake manifold?
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Old 01-29-2018, 07:46 PM
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It uses it to check for correct function of EGR.

https://www.miataturbo.net/megasquir...bration-88492/ shows calibration for future use with MS if you wish to run baro correction, as you once spoke about.
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Old 01-29-2018, 09:27 PM
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And because I dont have the EGR setup nor the solenoid attached to it and the boost sensor, I'll always have a code tripping a CEL.

Thanks for posting that about the baro correction, good info if I ever go back to MS
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