Cayenne 955/957 Porsche's SUV up to 2011. Cayenne, Cayenne S, and Cayenne Turbo message forum.

Misfire/Popping

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Old Jan 10, 2015 | 06:05 PM
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Misfire/Popping

So I have a misfire/poping that I hear comimg from the turbos. It accompanied with momentary loss of power and it only happends at WOT. I will try and take some video in the morning and post it. Let me know what you guys think it might be. Thanks
 
Old Jan 11, 2015 | 10:57 AM
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So this morning I plugged in my snap-on scaner and it gave me a P0230 fault code. I looked it up an it is a fuel system circuit problem so this might be knocking from lack of fuel. I read a good write up last night on how to use the durametric so I will give it a shot today.


Edit: I remember reading this thread about checking your fuel pumps sp I willgive this a shot first.

https://www.6speedonline.com/forums/...fix-957-a.html
 

Last edited by BG305; Jan 11, 2015 at 11:04 AM.
Old Jan 11, 2015 | 12:39 PM
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Ran through the process and its my secondary pump that's no good. well it's on order along with the primary.
 
Old Jan 12, 2015 | 12:23 PM
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Just incase I checked the relay that controls the fuel pumps. It ended up being the culprit and the reason the secondary pump was not working. So its getting the right amount of fuel now and does not knock anymore it just pulls hard as hell through the gears
 



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