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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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On start, no response from accelerator pedalViews : 1326 Replies : 5Users Viewing This Thread : |
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Dec 5th, 2018, 18:48 | #1 |
Junior Member
Last Online: Apr 20th, 2022 20:58
Join Date: Mar 2015
Location: Cardiff
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On start, no response from accelerator pedal
Hi All,
A few times now, I’ve started the engine and I press the accelerator, which doesn’t do anything! Taking the key out and starting he car again, or doing this a few times seems to help and the car is away and drives fine! Had a search through the forums and seems maybe it needs the codes read? Volvo S40, 2.0d, 2007, 180k miles Thanks Ben |
Dec 5th, 2018, 20:22 | #2 |
VOC Member
Last Online: Yesterday 21:34
Join Date: Jun 2012
Location: The Independent Republic of Leamington Spa
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I’d hazard a guess at the butterfly flap in the throttle body is sticking. It’s a common issue on the 2ltr Diesel V50 with the single outlet throttle (although not technically a throttle) body.
If you’re handy with a toolkit it’s a job you can easily do yourself otherwise a competent mechanic can easily do it. If it’s not that then you’ll have to get it hooked up to Volvo diagnostics. If your motor has the twin induction throttle body that I believe is to support the DPF. If your car hasn’t got a DPF you’ll have the same throttle body on the pictures in my other post below. How all this helps. TT
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Never underestimate the power of stupid. It’ can’t be reasoned or negotiated with and you’ll never never beat it…. Cut your losses, smile and walk away Currently Volvoless but Thong will be back Last edited by The Thong; Dec 5th, 2018 at 20:51. |
Dec 5th, 2018, 20:30 | #3 |
VOC Member
Last Online: Yesterday 21:34
Join Date: Jun 2012
Location: The Independent Republic of Leamington Spa
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I had this with mine. I was getting miss starts from cold or if I shut the engine down when it was hot I’d restart it and I’d have lots of smoke and it wouldn’t rev. Leave it twenty minutes and the car would start normally.
Solution, I stripped the butterfly housing off the motor and removed the sensor inside it. Clean out the housing with carb cleaner, get an old toothbrush to scrub away any stubborn carbon deposits and then chamfer the edges of the butterfly flap slightly with emery or sand paper (I shine a torch down it and chamfer enough off so I can see a halo of light around the flap) and then rebuild. One hour to carry out this mod and if it doesn’t fix the issue it won’t cause any issues to your motor. The cause is either the heat of the engine is causing the housing to warp which jams the flap, jubilee clip holding it has been over tightened which can cause it or its full of carbon and its crusted up around the flap area. Give it a go and see if it makes a difference, you’ve got nothing to lose. Good luck.
__________________
Never underestimate the power of stupid. It’ can’t be reasoned or negotiated with and you’ll never never beat it…. Cut your losses, smile and walk away Currently Volvoless but Thong will be back |
Dec 6th, 2018, 18:50 | #4 |
Junior Member
Last Online: Apr 20th, 2022 20:58
Join Date: Mar 2015
Location: Cardiff
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Thanks so much mate, I will give that a go when it decides to stop raining! Has been fine today.
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Dec 6th, 2018, 21:29 | #5 |
VOC Member
Last Online: Yesterday 21:34
Join Date: Jun 2012
Location: The Independent Republic of Leamington Spa
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Good luck, I hope it solves the issue.
TT
__________________
Never underestimate the power of stupid. It’ can’t be reasoned or negotiated with and you’ll never never beat it…. Cut your losses, smile and walk away Currently Volvoless but Thong will be back |
Dec 30th, 2018, 19:05 | #6 |
New Member
Last Online: Aug 4th, 2023 17:49
Join Date: Oct 2013
Location: Mullingar
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Any luck with this?
Have a 2005 S40 2.0D here which just gave up working a few weeks ago. Can start the car, but it will not rev at all. If I stay at the throttle pedal for maybe 10 or 15 mins, it will get as high as about 3,000 rpm, but the minute I put it in gear and try to move off, it dies again |
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