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Lexus Forum: MAF/Rough Idle/Code 31
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Old 03-17-2013, 10:41 PM
Beerguy Beerguy is offline
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Default MAF/Rough Idle/Code 31

I was detecting what I thought was kind of a rough idle in gear so I pulled my MAF sensor (which looked pretty clean) and cleaned it (with MAF Cleaner), let it dry, and stuck it back in. NOW my idle is all over the place (albeit intermittently) including stalls and throwing code 31 (Low airflow meter voltage). I should have left it alone! Anyway, what to do now. The MAF cleaner shouldn’t have damaged the MAF sensor or left residue, but maybe I did. I’m afraid to clean it again. Any suggestions? Thanks!

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