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06 XC90 fault code p0027

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo XC90s. The XC90 proved to be very popular, and very good for Volvo's sales numbers, since its introduction in model year 2003 (North America).
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Joined: Mon Jan 17, 2011 4:44 pm
Year and Model: XC90, 2006
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06 XC90 fault code p0027

Post by hughey99 » Mon Jan 17, 2011 4:57 pm

I have a 06 XC90 that has a fault code p0027 which is exhaust valve control solenoid circuit range performance9 bank 1). do any body know what could cause this. The car has a rough idle at time and will shut off.

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Re: 06 XC90 fault code p0027

Post by jimmy57 » Thu Jan 20, 2011 10:09 am

There are several things.
Low engine oil level, low oil pressure, sludge in engine oil passages from poor oil change history.
The poor oil change history effects can cause the solenoid controlling valve timing to stick or the hub on camshaft that is the servo changing valve timing to stick.
The solenoids have had some instances of getting debris in them from things that can pass through oiling system on occasion that sticks the solenoid in open position.
The last can happen with regular oil and filter service.
The code sets for the valve timing not going to the regulated position desired by the engine control module.
The solenoid controlling the exhaust valve timing is placed over the exhaust camshaft which is the rear cam as engine is situated in vehicle. The solenoids have been cleaned with some success and there may be a strainer in the supply hole to the solenoid that needs to be cleaned or replaced. The strainer may be integral with the solenoid also.

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