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Re: 92 v6 surging idle
Welcome to AF.
Did you set the IAC before you installed it ?
And what is the air flow you replaced ?
If its intermittant I'd check the wiring for the MAF or hav it tested.
Usualy surging is from a vacum leak, but it could even be a bad fuel pump. WHich you can check the fuel pressure to see what it reads.
Lastly it could be something in the emissions system going bad.
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