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Old 12-20-2014, 09:24 PM
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DMTL System diagnosis
So after finally fixing my secondary air system code (it was the valve), the SES lights up again.

It was the DMTL pump system, switching current too high, I think?

Reading this overview was a big help in understanding the system, now I'm looking for practical troubleshooting advice.

First thing I did was swap out the gas tank cap with an E46 with no codes. It came back after 2 days, wasnt that.
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