Mate it's been stripped I've taken every thing off pretty much, the intercooler pipes have been checked. I've bypassed the n249, removed the sai, removed pipes under the inlet and replaced the split 1ns.


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I would change the fuel pump since u already done the filer if it still does it with a new n75 valve on might be breaking down under load


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But it don't flag them every time I have to really thrash it to get it to pop that hard and get those faults. I was on a test run after the sai removal and it seem to have fixed the fault. So I floored it out of a side road and it did the back fire really bad went in to limp mode and when I got back it had all those code. That's when I ask a mate to use his coilpacks and it was the same.


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Just seen the boost gauge erratic post, check the wires going to map sensor, and if you can get hold a map sensor I'd have a go at swapping that.
 
Map sensor is the 1 on the throttle isn't it.


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The code 17658 people are saying it's because you ran really low on fuel or a bad sending unit
Said to erase the codes n not to worry about it :/
 
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Map sensor is on the intercooler, or the pipe behind headlight if your running a front mount.
17705 is a boost or vac leak, what's your oil breather system like, can pop up with any split pipes there too.
 
I've read that it can cause faults and needs to be well sealed 2


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Iv replaced all boost pipes when fitting front mount, all vac pipes and oil breather system has been swapped. I still get 17705 only thing left is my dipstick holder that don't fit snuggly