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Old 15th November 2009
thedrakemiester thedrakemiester is offline
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Join Date: Feb 2008                                                
Location: Coffs Harbour, Australia
My Saabs: 9-5 estate 2001
Posts: 5
Default P1105 code trouble, Help required.

Hi, My 5th and current SAAB is a '01 model 95 Wagon (estate for others) B205 and currently has a P1105 (5) code, warning light showing and drives like it's in "Limp Home Mode" but it isn't. I've tested most things. ie.
1. Turbo spins freely, wastegate actuator is connected and appears to be working correctly.
2. No broken intercooler or plumbing.
3. Charge Absolute Pressure Sensor has 5V to it and returning 2.1V at sea level.

Not sure what else to check.

AN interesting observation was that while getting it home the engine was earily quite. The only sound was the auto. This lead me to think that the turbo had seized or failed but this is not the case. If it had broken pipework or intercooler then you would hear all sorts of air wooshing sounds.

Please HELP!

PS. God help me, I cant find a button for spel chequa.
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Old 15th November 2009
Keh Keh is offline
Join Date: Sep 2009                                                
Location: New York
My Saabs: 1999 95 SE 2.3 Lpt, 5spd.
Posts: 189

Check and replace if nessasary all vacume hoses and your hose and connection to the Charge Air Absolute Pressure Sensor.
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