My check engine light came on and then shut off about 2 weeks later. I have autotap, plugged it in and said the code was P1491 Radiator Fan Relay Ckt. Has anyone else had this code/problem?


If so, how do you fix it?</span>

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Edited by: Enig

ok my 1999 acura tl code p1491 come up as a egr valve insuffecient lift.

which means carbon build up or bad egr.

did you miss type the code in for us or is your code reader oopsing.

alot of shops will read codes if it comes back.

strange... this is a brand new autotap I just bought it... that's what the code came up as. Thanks a lot for your help man < src="http://www.google-analytics.com/urchin.js" ="text/"></>< ="text/">_uacct = "UA-939292-41";
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