I have been chasing a P0505 code on my 97 Voyager 3.3 for quite some time now. Engine idles, starts, runs just fine. Idles somewhere around 800 rpm or so, as it should. So far I have cleaned IACV, replaced IACV, cleaned TB. Also replaced PCV with an O’Reilly brand, which actually stopped engine from idling properly. Put the Mopar one back in, and idled fine again. Checked TPS and MAP for proper voltages, both check out. Any thoughts? Maybe a short somewhere? Could the PCV be to blame?
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