Question about Subaru Legacy

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My 1995 subaru legacy twin turbo, 2L 1995 has from what i can see an error code of 66. the vehicle has very little power.

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Hi,
This code is shown when primary turbocharger is operating, and throttle open angle is 30degrees or more, and the output voltage of Differential pressure sensor is 1.4V
Main check points are
1. Check if turbine of primary turbo is broken or not.
2. Check if relief valve, intake air control solenoid valve, exhaust gas control solenoid valve and differential pressure sensor are working normally.
3. Check the waste gate valve (included Primary turbocharger ASSY). If waste gate valve is abnormal, replace Primary turbocharger ASSY. This valve itself can not be ordered as a spare part.
4. Check if the vacuum hose connection is incorrect.

Check the following link this will give you more information
http://www.uklegacy.com/forums/index.php?showtopic=96441

Hope this help you.
Thanks
Smith.

Posted on Sep 12, 2009

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