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Check Engine light after exhaust upgrades???

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Old 07-26-2018, 01:22 PM
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2015 C63s Sedan
^^Yes, the software update done at the dealership WILL overwrite your Weistec tune causing O2 codes....
Old 07-26-2018, 01:24 PM
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Originally Posted by Schulminator
^^Yes, the software update done at the dealership WILL overwrite your Weistec tune causing O2 codes....
thanks for the heads up. I wont be doing that then.
Old 07-26-2018, 01:36 PM
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Now that we got that out of the way...

How do you like the Weistec airboxes? How long did it take for you to receive them from order date? I got the run around from them when I was ready to purchase.
Old 07-26-2018, 01:47 PM
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Originally Posted by Schulminator
Now that we got that out of the way...

How do you like the Weistec airboxes? How long did it take for you to receive them from order date? I got the run around from them when I was ready to purchase.
everything I ordered from them I got pretty much immediately. I didn’t wait long at long. They look good and hopefully help produce more power. I’d like to do the w4 upgrade and internals, water methane injection l next year and really see what my car can do.
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Old 07-30-2018, 12:41 AM
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Originally Posted by Butterzc63s

everything I ordered from them I got pretty much immediately. I didn’t wait long at long. They look good and hopefully help produce more power. I’d like to do the w4 upgrade and internals, water methane injection l next year and really see what my car can do.

Im having a similar issue due to changing my exhaust , valves codes are there can you please tell me if the valve simulators are working for you.


Thanks
Old 08-02-2018, 07:15 PM
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Originally Posted by Gts-killer
Im having a similar issue due to changing my exhaust , valves codes are there can you please tell me if the valve simulators are working for you.


Thanks
valve simulators should arrive tomorrow. So I should have info with in a few days when they get installed. I’ll check back ASAP
Old 10-01-2018, 06:49 PM
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Originally Posted by Butterzc63s

valve simulators should arrive tomorrow. So I should have info with in a few days when they get installed. I’ll check back ASAP

Did the valve simulators resolve the cel issue in your car?
Old 10-01-2018, 08:49 PM
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They have been installed and 99% sure they fixed my valve codes. But due to other issues coming from aftermarket exhaust that my shop is fixing. Curreny no codes coming from the valves tho.
Old 10-01-2018, 09:33 PM
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Originally Posted by Butterzc63s
They have been installed and 99% sure they fixed my valve codes. But due to other issues coming from aftermarket exhaust that my shop is fixing. Curreny no codes coming from the valves tho.
Glad yours cleared. I’m currently dealing with a cel that came on driving home an hour after installing MHB headers, midpipes, and x pipe, and deleting cats and resonator. For some reason I was under the impression that a tune would clear it, but after going with the one Renntech offers, it did not clear. I don’t have an OBD2 scan/clear tool, so I’m gonna stop by Autozone tomorrow and have them clear it and go from there.

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