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Exhaust installed threw a check engine light..

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Old 04-03-2021, 09:52 PM
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Charles7970
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Default Exhaust installed threw a check engine light..
I’m pretty sure it’s not the GMG setup for our cars.. if now after the install I receive the triangle dash light along with check engine. Any insight on what can trigger this? Thank you for any input.

https://shop.gmgracing.com/collectio...exhaust-system

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Old 04-04-2021, 08:59 AM
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Pad Bender
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Did you scan?

Simple OBD2 bluetooth and Torque Lite app might do the trick. https://www.veepeak.com/product/obdcheck-vp11/

The catalytic efficiency monitoring is super tight on these cars and will flag anything coming out the exhaust a little rich.




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Old 04-04-2021, 09:35 AM
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Originally Posted by Pad Bender
Did you scan?

Simple OBD2 bluetooth and Torque Lite app might do the trick. https://www.veepeak.com/product/obdcheck-vp11/

The catalytic efficiency monitoring is super tight on these cars and will flag anything coming out the exhaust a little rich.
Makes total sense that’s for sure I have the icarsoft por 2 reader. I don’t think it’s compatible with the 992 but this is what it reads





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Old 04-04-2021, 09:36 AM
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I’m at least able to clear codes with it. It seems lol but it returns on start up
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Old 04-04-2021, 11:47 AM
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that could be a vacuum leak...check your gas filler lid and maybe check the install on the exhaust

Try this site:

https://www.porscheirvine.com/servic...uble-codes.htm

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Old 04-04-2021, 12:12 PM
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Originally Posted by Pad Bender
that could be a vacuum leak...check your gas filler lid and maybe check the install on the exhaust

Try this site:

https://www.porscheirvine.com/servic...uble-codes.htm
Thanks for the tips! I’ll take a peak once the exhaust cools down.
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Old 04-04-2021, 12:16 PM
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GMG should provide spacers if you inform them.
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Old 04-04-2021, 12:20 PM
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Originally Posted by Salj
GMG should provide spacers if you inform them.
I’ll reach out to them! Unfortunately they’re closed on weekends but their service is top notch 😎✊🏼
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Old 04-04-2021, 01:53 PM
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I didn't have any problem with my new GMG exhaust system on my new TTS. Yes, they are good people & will take care of you.
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Old 04-04-2021, 01:57 PM
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Originally Posted by Tumbleweed
I didn't have any problem with my new GMG exhaust system on my new TTS. Yes, they are good people & will take care of you.

agreed! I bought multiple non issue setups just a fluke I’m sure
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Old 04-04-2021, 11:07 PM
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Google is you friend here. DTC P048C is explained at this link: https://www.obd-codes.com/p048c
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Old 04-05-2021, 04:14 AM
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Originally Posted by Bluehighways
Google is you friend here. DTC P048C is explained at this link: https://www.obd-codes.com/p048c
hmm interesting I’m curious now if I may have forgotten to reseat one of the valve connectors but I’m certain I heard the *click* time to double check
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Old 04-06-2021, 11:18 AM
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Issue resolved. I’m just an idiot 😂 exhaust valves were installed wrong 🤦🏻‍♂️
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Old 04-07-2021, 11:49 AM
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Originally Posted by Charles7970
Issue resolved. I’m just an idiot 😂 exhaust valves were installed wrong 🤦🏻‍♂️
That's good to hear - the install issue (!). Let us know how you enjoy the exhaust.
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Old 04-07-2021, 01:18 PM
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Originally Posted by 997usa
That's good to hear - the install issue (!). Let us know how you enjoy the exhaust.


Sounds Great! Love it
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