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I took my 1992 325is through a automatic car wash yesterday and when I pulled out my check engine light came on and it stays on. I was wandering if the water could have damaged any sensors? Please help!
 

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it could of, i wouldnt take it through one of them neways, they scratch the paint
 

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just take it somewhere that has a diagnostics machine. they will propbably find and replace the wet sensor for under $40 altogether
 

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You probably damaged the ECU. Automatic car washes dump more water near the firewall than the drains can handle, and its not uncommon for the ECU to short out becuase of water damage.

Have it checked out ASAP.
 
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