SaabCentral Forums banner
boost control valve
1-4 of 4 Results
  1. 9-5 Workshop
    Hi, I have a 2004 Saab 9-5 2.3t Auto (B235) I was trying to replace APC Boost Control Valve (Part no. 55557331). This is the black one with the three prongs arranged vertically and marked up R, C & W. After giving the old one a good yank, I also pulled out two of the three hoses. I just want...
  2. NG900 & OG9-3 Workshop
    Hey guys, like many other people with boost issues my boost was limited to the upper end of the yellow section and my acceleration was abnormal. Ive had an intermittent misfire in cylinder 4 that only happens when there's a lot of stress on the engine usually getting on a highway in 3rd. I...
  3. 9-5 Performance, Mods & Tuning
    Hi All I will try and explain what is happening with my 9-5 Aero 2.3t estate, stage 1 noobtune. The car had been underpowered for some time I believe so a few months ago I tried the bolt mod, and since then I have had tire shredding boost. At first it was completely untameable, until I changed...
  4. NG900 & OG9-3 Workshop
    After checking the fusebox under the hood, I found that APC fuse #13 on my '98 900 SE Turbo was blown. Upon replacement, the 7.5 amp fuse blew again. Checked the resistance in the T5 BPC's coils. One was 3 ohms, the other was less than 1 ohm. I took out the ECU and tested the mosfets, and per...
1-4 of 4 Results
Top