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S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General Forum for the P2-platform S60 / V70 / XC70 / S80 models |
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V70 D5 power lossViews : 617 Replies : 9Users Viewing This Thread : |
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Jul 21st, 2021, 22:45 | #1 |
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V70 D5 power loss
Recently I’ve had intermittent power loss - as if only firing on 4 or even 3 cylinders. It comes and goes, and the worrying thing is it could easily happen just when I need power (like overtaking). I’ve put in several injector cleaner doses and the fuel filter was changed the other day. Any suggestions where to go next please?
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Jul 21st, 2021, 22:58 | #2 |
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Sounds like the symptoms I had prior to replacing the Swirl Flap system...
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Mk1 V70 T5 C30 R-Design T5 |
Jul 22nd, 2021, 06:10 | #3 |
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ideas
What mileage is it at?, are you getting any messages up like engine service?
I recently had the intercooler go on mine, and that caused a massive power loss, although it would idle fine, if youre getting a garage to diagnose ask them to do a smoke test on the inlet pipework (it goes allover the place and a leak anywhere would be identified by some escaping smoke, the inlet runs at up to 20psi on full boost. a cheap Elm327 blutooth obd and an app like torque would let you see the boost pressure and many other things like coolant temp although only only some engine related data as you drive. Ill post some pics of where to look for intercooler failure if your interested. |
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Jul 22nd, 2021, 06:26 | #4 |
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Thanks very much
The mileage is about 165,000. I should add that about 4-5 years ago I was having episodes of loss of power associated with black exhaust smoke which lead (thanks to this forum!) to a new intercooler which solved it. This time no black smoke just periods of reduced power of varying degrees. It then cuts back in again |
Jul 22nd, 2021, 08:28 | #5 |
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Check your intake and charged air system for leaks.
At best with a smoke test using a smoke machine
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Jul 22nd, 2021, 12:29 | #6 | |
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Quote:
Currently looking at getting VIDA to look at that and a couple of other niggles. |
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Jul 23rd, 2021, 06:47 | #7 |
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2004 V70 D5 Last edited by big_yin; Jul 23rd, 2021 at 06:49. |
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Jul 24th, 2021, 19:02 | #8 |
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As mentioned at the end of this thread, there now is an 'engine service required' message. If it is the swirl flaps, that's really expensive isn't it?
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