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PostPosted: Sun Sep 16, 2018 12:17 pm 
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Joined: Mon Feb 23, 2015 4:28 pm
Posts: 87
Location: SCOTLAND
Car Model: 9-5 Aero
HELP :haynes:
CAR: Saab 9-5 Aero Manual Stage3 2008
SPEC: Hirsch intercooler, Bosch 3.5bar FPR, Forge Recirculating dump valve, Noobtune map, Mamba actuator with green spring,
recently serviced and new spark plugs gapped to 0.9mm, MTF changed,

PROBLEM:Turbo not coming on at all just suddenly started happening, turbo gauge wont go more than a quater .

Car was runing sweet then last week i floored it in 2nd onto 3rd then when went into 4th I laid off and then no turbo power and engine management light came on and stayed on,
my brother pluged his obd2 reader and error code was P1105 which mostly relates to waistgate or boost control valve or even APC
I've checked these and all pipes are also good as most have been replaced with silicone pipes,
even took of the boost control valve and put battery power to it and I could here it click meaning valve is opening and closing (although I didn't do a pressure test)
also took off the actuator arm from the waistgate and the waistgate is opening and closing fine.
cleaned the apc and the MAF sensor with electrical contact cleaner. intercooler pipes are silicone and recently installed but I have checked them aswell again and their ok, even opened the 02 oxygen sensor and cleaned that,
car is driving very smooth and idling ok JUST NO TURBO BOOST AT ALL.
Opened SID and mReq goes upto 1400 on full throttle as should and mAir dosn't go more than 500 which should match mReq,

ANY ADVICE WILL BE APPRECIATED :roll:

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9-5 Aero Auto:Stage3Noobtune/3"DP/Hirsch Exhast/Intclr/Bsch3.5FPR/BilsteinB12kit/18"Alloys


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PostPosted: Tue Sep 18, 2018 7:14 pm 
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Put a SOC in it!
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Joined: Mon Feb 07, 2005 4:48 pm
Posts: 21616
Location: Fliptop Towers, North Yorks...the flat bit.
Car Model: One or two...
If all hoses are definitely ok and no bursts in them or the IC, remove the cobra pipe from the turbo and check if the compressor is still attached to the turbine.

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S4 Avant 3.0 V6T - For Sale
9-5 Aero 600Nm FB3
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PostPosted: Tue Sep 18, 2018 7:36 pm 
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Joined: Fri Oct 05, 2012 5:02 pm
Posts: 1421
Location: Aberdeen
Car Model: Leon cupra 1.8t - badger5'd
As above, make sure the intercooler pipework ect hasnt popped off. I had similar issue with a 9-5 aero and it turned out the intercooler had split/burst


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PostPosted: Wed Sep 19, 2018 12:48 pm 
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Joined: Mon Feb 23, 2015 4:28 pm
Posts: 87
Location: SCOTLAND
Car Model: 9-5 Aero
Just got a call from the Saab specialist and says there's no turbine left in the exhaust side of turbo.

so new turbo

any recomendations

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9-5 Aero Auto:Stage3Noobtune/3"DP/Hirsch Exhast/Intclr/Bsch3.5FPR/BilsteinB12kit/18"Alloys


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PostPosted: Wed Sep 19, 2018 1:24 pm 
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Put a SOC in it!
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Joined: Mon Feb 07, 2005 4:48 pm
Posts: 21616
Location: Fliptop Towers, North Yorks...the flat bit.
Car Model: One or two...
Oops....

Time for a 19T - Mamba seem to work well and get good reports.

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S4 Avant 3.0 V6T - For Sale
9-5 Aero 600Nm FB3
900 T16S track hack
96V4s


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