Author Topic: Gnarly4X's 22RE Rebuild  (Read 198990 times)

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andykrow

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Re: Gnarly4X's 22RE Rebuild
« Reply #900 on: May 08, 2017, 01:00:44 PM »
Well, just went through emissions and failed pretty bad on NOx. 33% higher than the allowable level. HC was SUPER low at 2% allowed, CO very low as well at under 0.5% allowed. My thinking is that I am lean.

Plan is to replace all vacuum hoses (not sure why I didn't do that before, they just all looked fine.), back the timing down to 0 degrees, and possibly move the AFM a click or two towards rich. It certainly looks like I have some room to move in that direction. Based on HC and CO. It has a new catalytic converter so that should not be hurting anything.

If I fail again after that I'll start my own thread on it, haha.

EDIT: Went ahead and started a thread. Don't want to hijack your engine issues, Gnarly.
« Last Edit: May 08, 2017, 02:28:34 PM by andykrow »
85 4runner, 22re, 5spd, Ultimate crawler, Alcan lift that is too high, 35s, ARBs.

 
 
 
 
 

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