SaabCentral Forums banner


  1. Need help diagnosing problem

    9-5 Workshop
    Could a Broken Bypass Valve cause an over boost? Hello, this is my first Saab and first Post so bare with me please. 3 weeks ago I bought my 2000 Saab 9-5 aero estate 2.3t After putting it through Diagnostics it showed P110 (Bypass Valve) and P1304 (Misfire) My mechanic noticed that the waste...