I have a P110 check engine code. There ar no sysptoms and the car seems to run fine. DO I need a new gas cap or what. The guys at Auto Zone who read the codes said it was a manufacturers code and they couldn't translate it.

 

that's a possible, PO110 ,a air intake sensor error code,check and clean/replace air cleaner and clean sensor with spray cleaner do not damage it

 

P0106 Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem
P0107 Manifold Absolute Pressure/Barometric Pressure Circuit Low Input
P0108 Manifold Absolute Pressure/Barometric Pressure Circuit High Input
P0109 Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent
P0110 Intake Air Temperature Circuit Malfunction
P0111 Intake Air Temperature Circuit Range/Performance Problem
P0112 Intake Air Temperature Circuit Low Input
P0113 Intake Air Temperature Circuit High Input
P0114 Intake Air Temperature Circuit Intermittent
P0115 Engine Coolant Temperature Circuit Malfunction
P0116 Engine Coolant Temperature Circuit Range/Performance Problem

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Hi,
You can find engine codes details here : Check Engine Codes, Trouble Codes, OBD2 Codes, Diagnostic Codes - CheckEngineCode.com

 

It's the turbo bypass valve, you can get a new one here: 4441895 Genuine SAAB - Turbo Bypass Valve - Free Shipping