S40 turbo problem and limp mode

that young lad · Jul 26th, 2016, 23:29

Hi everyone, im having problems with my 2005 s40 2.0d. Getting a p0238 turbo charger boost circuit high. Am i looking at cracked pipes, faulty wiring or a faulty map sensor? Intermittently goes into limp mode but when its not in limp mode i can definitely feel a slight loss in boost.

Any suggestions of where i could start looking for what could be causing it.

Thanks

grayian85 · Jul 27th, 2016, 22:47

Check vacuum pipes on Turbo Control Valve (solenoid on r/h side of engine above gearbox. If ok, I would personally try a new TCV around £40 of eBay... if the same there's probably fault with inlet side of turbo (build up of carbon from egr)

grayian85 · Jul 27th, 2016, 22:48

Brown valve

Jul 26th, 2016, 23:29	#1
that young lad New Member Last Online: Jul 27th, 2016 10:36 Join Date: Dec 2015 Location: Armagh	S40 turbo problem and limp mode Hi everyone, im having problems with my 2005 s40 2.0d. Getting a p0238 turbo charger boost circuit high. Am i looking at cracked pipes, faulty wiring or a faulty map sensor? Intermittently goes into limp mode but when its not in limp mode i can definitely feel a slight loss in boost. Any suggestions of where i could start looking for what could be causing it. Thanks

Jul 27th, 2016, 22:47	#2
grayian85 New Member Last Online: Oct 26th, 2016 22:58 Join Date: Oct 2015 Location: Bucks.	Check vacuum pipes on Turbo Control Valve (solenoid on r/h side of engine above gearbox. If ok, I would personally try a new TCV around £40 of eBay... if the same there's probably fault with inlet side of turbo (build up of carbon from egr)

Jul 27th, 2016, 22:48	#3
grayian85 New Member Last Online: Oct 26th, 2016 22:58 Join Date: Oct 2015 Location: Bucks.	Brown valve

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