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Changed battery, now there's an engine light on.

9K views 2 replies 2 participants last post by  Rhcmlc 
#1 ·
2009 2.4 Sonata. Replaced the battery. Engine light came on after battery replacement. Engine code P0106 (MAP sensor or vacuum leak). Car drove fine before and after the battery replacement. Anyone encounter an engine light after replacing their battery? Any advice is greatly appreciated
 
#2 ·
Hello and welcome to the forum.

I think if you search the forum you will find other posts about that code popping up when the battery has been disconnected. There is no fix required other than to drive the car and it will sort itself out in time. Disconnecting the battery must erase an adapted value from the PCM and it just needs to relearn the base value again.

Scott.
 
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