Loss of power v70 2.5 diesel

c13sjd · Mar 9th, 2011, 18:45

Can anyone help , When I go 80 mph my car go,s in limp mode. When I turn the engine off and start again it's ok until I reach 80 mph again

deathrider311271 · Mar 9th, 2011, 18:49

year of car would help

and exactly which engine it has? is it manual or auto?

thePM · Mar 9th, 2011, 23:13

Hi, this happened to me - if your car is more than a few years old I would check your turbo hoses especially the inlet hose that connects to the turbo charger. They should be very stiff rubber but over time become softer and a bit spongey - if you can squeeze them in with your hand then they need to be replaced.

The symptom is caused by the low pressure in the inlet when the turbo is giving a lot of boost. It collapses the inlet hose restricting air flow which the car senses as a turbo problem. However once you slow down it will be okay again.

Its not serious and its an easy DIY job - I replaced all three hoses and jubilee clips - the parts came to £103 + VAT but you could probably get away with just the main turbo hose which was £39

let me know how you get on.

beaconsman · Mar 13th, 2011, 20:39

Be careful about fault diagnosis as I spent 60 quid on a solenoid that wasnt needed, volvo dealer wouldnt take it back either..so had to fit plus find out what the issue was..(skint now for month so volvo is off the road due to insurance issues)..

MikeS100 · Oct 22nd, 2011, 12:05

Quote:

Originally Posted by thePM

...you could probably get away with just the main turbo hose which was £39

Sorry to hijack an old post, but where did you get the hose from? Volvo are quoting £82

Thanks

Mar 9th, 2011, 18:45	#1
c13sjd New Member Last Online: Aug 14th, 2011 22:04 Join Date: Mar 2009 Location: sheffield	Loss of power v70 2.5 diesel Can anyone help , When I go 80 mph my car go,s in limp mode. When I turn the engine off and start again it's ok until I reach 80 mph again

Mar 13th, 2011, 20:39	#4
beaconsman Member Last Online: Sep 4th, 2012 20:59 Join Date: Dec 2010 Location: Market Rasen	mis diagnosis Be careful about fault diagnosis as I spent 60 quid on a solenoid that wasnt needed, volvo dealer wouldnt take it back either..so had to fit plus find out what the issue was..(skint now for month so volvo is off the road due to insurance issues)..

Mar 9th, 2011, 18:49	#2
deathrider311271 I've Been Banned Last Online: Jun 21st, 2022 19:26 Join Date: Mar 2010 Location: Grimsby	year of car would help and exactly which engine it has? is it manual or auto?

Mar 9th, 2011, 23:13	#3
thePM New Member Last Online: Jun 15th, 2012 20:39 Join Date: Mar 2011 Location: Ashtead	Hi, this happened to me - if your car is more than a few years old I would check your turbo hoses especially the inlet hose that connects to the turbo charger. They should be very stiff rubber but over time become softer and a bit spongey - if you can squeeze them in with your hand then they need to be replaced. The symptom is caused by the low pressure in the inlet when the turbo is giving a lot of boost. It collapses the inlet hose restricting air flow which the car senses as a turbo problem. However once you slow down it will be okay again. Its not serious and its an easy DIY job - I replaced all three hoses and jubilee clips - the parts came to £103 + VAT but you could probably get away with just the main turbo hose which was £39 let me know how you get on.

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