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Andyspencer100
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Joined: 15 Jan 2016
Posts: 99



PostPosted: Thu Nov 01, 2018 8:43 pm    Post subject: Carbon build up Reply with quote

Anyone know if the 958 diesel has any of the carbon buildup issues the VW’s have in the intakes and EGR’s?

Has anyone pulled the top off to take a look?
 
  
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deMort
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Joined: 21 Mar 2015
Posts: 5509
Location: Brighton


PostPosted: Thu Nov 01, 2018 9:01 pm    Post subject: Reply with quote

Yup .. i think there was a mod to expand the limits for the check light issue due to poor flow through of the gasses ..

It would be a software fix if so and probably an OPC job .
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Andyspencer100
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PostPosted: Mon Nov 05, 2018 8:23 pm    Post subject: Reply with quote

Mine has 76k on the clock. And really only ever had motorway miles, so actually I don’t have any engine lights or anything I just think that it’s probably worth a pull of the intakes and egr and a dam good cleanup!

I’d do it on the 997 gen 2 as well.

As soon as I get my driveway finished and can get into the garage I’ll do it. Are there any how too’s For the 958 diesel?
 
  
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deMort
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PostPosted: Mon Nov 05, 2018 8:44 pm    Post subject: Reply with quote

Ive only ever changed one egr setup on a cayenne .. various fins inside and not something that could really be cleaned .. if no code or eml then you dont really have a problem.

Most of the headaches come with a DPF filter .. regen on this all depends on how you drive the car .. we can force a regen but only if its inside of limits .. pain in the ass for save the planet stuff !

Im all for save the planet stuff though .. just for anyone whos going to moan at me Wink
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Andyspencer100
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PostPosted: Thu Nov 08, 2018 2:51 pm    Post subject: Reply with quote

deMort wrote:
Ive only ever changed one egr setup on a cayenne .. various fins inside and not something that could really be cleaned .. if no code or eml then you dont really have a problem.

Most of the headaches come with a DPF filter .. regen on this all depends on how you drive the car .. we can force a regen but only if its inside of limits .. pain in the ass for save the planet stuff !

Im all for save the planet stuff though .. just for anyone whos going to moan at me Wink


so, how do you force a regen ?

I think the remains resonation is from the exhaust somewhere, it gets worse when hot. I't really stumping me. loose baffle maybe?
 
  
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