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Volvo v50 strange technical issue

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wharfedale
Posts: 6
Joined: 28 Nov 2023, 19:12
Year and Model: 2009 v50
Location: Wales
Been thanked: 1 time

Post by wharfedale »

Ignition on : engine not running, pedal stats in Vida shows me pushing pedal 0% to 100% …. I start the car … pedal doesn’t respond , it stays at 0%

But let’s say I start it with the pedal already down to the floor , stats show pedal at 100% it try’s to increase revs but sucks , lumpy it sits somewhere random like 2k 2.5 sometimes 3k or won’t even start at all .

As you come off the pedal Vida sees the percent dropping , if you press it back down percent never increases , for example , start car at 100% , come off by 50% and push throttle back to the board , it will remain at 50% … if you come off below 50% the value will climb down , note it says signal to high on sensor voltage circuit 1 , and many other sensor and pedal errors although pedal works fine when it’s not started

mathwilton
Posts: 1
Joined: 19 Feb 2024, 02:52
Year and Model: Volvo XC40 2021
Location: United States

Post by mathwilton »

wharfedale wrote: 17 Feb 2024, 07:00 uno online
Ignition on : engine not running, pedal stats in Vida shows me pushing pedal 0% to 100% …. I start the car … pedal doesn’t respond , it stays at 0%

But let’s say I start it with the pedal already down to the floor , stats show pedal at 100% it try’s to increase revs but sucks , lumpy it sits somewhere random like 2k 2.5 sometimes 3k or won’t even start at all .

As you come off the pedal Vida sees the percent dropping , if you press it back down percent never increases , for example , start car at 100% , come off by 50% and push throttle back to the board , it will remain at 50% … if you come off below 50% the value will climb down , note it says signal to high on sensor voltage circuit 1 , and many other sensor and pedal errors although pedal works fine when it’s not started
Same issue. Did you find the solution?

wharfedale
Posts: 6
Joined: 28 Nov 2023, 19:12
Year and Model: 2009 v50
Location: Wales
Been thanked: 1 time

Post by wharfedale »

No unfortunetly, tomorrow ill try cut the cable thats feeding it power, expecting 7.35v instead of 5, ill manually feed it 5 to see how it reacts since its the signal to high ( voltage ) thats causing the pedal to have issues

RobsS40
Posts: 26
Joined: 12 Aug 2023, 18:17
Year and Model: 2006 S40 T5 AWD
Location: Mid Atlantic, USA
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Been thanked: 7 times

Post by RobsS40 »

Is the car "drive by wire"- no mechanical connection between pedal and throttle? If so, have you checked throttle body for carbon or other ways the throttle plate doesn't move freely?

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