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08 August 2014 #1
- Join Date
- 08 Aug 2014
- Location
- Newport, UK
- Posts
- 4
- Saab(s)
- '01 9-3 2.0t SE
'01 9-3 2.0SE turbo BPV/BOV issues
I recently had the turbo replaced on my 9-3 and am still having some issues.
When I got the car it had an aftermarket unbranded dumpvalve on it, I removed it as it is not my type of thing and refitted the original Bosch item. I swapped back over to the dumpvalve to see if there was any difference in improvement and found the car lacked boost, especially from 3rd gear upwards. I then swapped back over to the Bosch original and the power is (mostly) back. Yesterday while accelerating quite hard on the motorway My CEL came up, I pulled a P1110 code being charge air issues, after some googling it seems related to the BPV.
So, rather than buy a new BPV I was thinking maybe the dumpvalve could be properly regulated (it has a large regulator) but I have no idea whatsoever as to hhow to do this, is there a guide somewhere or a simple way of setting it?
Alternatively I have found a modification posted years ago which advises putting a bolt in a one way valve, the picture is on a 9-5 and on my 9-3 the part with the 3 hoses looks different, which one should I plug?
It also makes a very low pitched vibrating sound when accelerating hard from around 3000rpm, but only with the Bosch BPV..
Any help or advice would be much appreciated as I really love this car and don't want to give up on it!
This is the dumpvalve:
Stealth Dual Port Dump Valve BOV for Saab 93 9-3 95 9-5 900 9000 Vector Turbo | eBay
And the previous owner said it had been remapped, but didn't seem to know much about the remap.
Thanks
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13 August 2014 #2
Geoffrey Storey Saab Enthusiast
- Join Date
- 28 Oct 2013
- Location
- Stockton on tees England
- Posts
- 165
- Saab(s)
- 2000 9-3 viggen convertible
'01 9-3 2.0SE turbo BPV/BOV issues
If your engine management is T7 (trionic 7) they don't like them type of valves and can throw a fault.
Last edited by geoff 9-3; 13 August 2014 at 14:17.
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13 August 2014 #3
- Join Date
- 08 Aug 2014
- Location
- Newport, UK
- Posts
- 4
- Saab(s)
- '01 9-3 2.0t SE
Surely this can't be the case, Saab wouldn't spec a part that conflicts the engine management would they?