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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

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Old Oct 29, 2022 | 10:57 AM
  #1  
Isaacram2626's Avatar
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Name this part

Can any help me identify this part? What is it called and what is it’s purpose?

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Old Oct 29, 2022 | 01:47 PM
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millball's Avatar
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Reed valve for PAIR system.
Pulsed air injection system is a completely passive scheme that introduces air into the exhaust at low engine RPMs to aid the CAT in combusting excess hydrocarbons,
Nothing PAIR does hurts engine performance.

Last edited by millball; Oct 29, 2022 at 08:11 PM.
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Old Oct 30, 2022 | 06:07 PM
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Or Manifold Air Injection System. https://parts.lakelandtoyota.com/sho...rimLevel=18380

Millball (as usual) is correct in the description.
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Old Oct 30, 2022 | 07:12 PM
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Thank you! I went ahead and bought an EGR delete kit which I believe will eliminate this all together.
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Old Oct 30, 2022 | 07:17 PM
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Don't know what you bought, but this has nothing to do with the EGR
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