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Old van- Speedo problem

I’ve got an old Citroen Berlingo van that has a dial with needle Speedo. Occasionally the needle on the dial just gives up and points downwards then jumps back up again.
I was on the A2 this morning when it did it and I noticed that the acceleration dropped and then came back as the needle pointed to the speed again.
Any ideas what might be going on?
(I use my phone sat nav for speed just in case).

Comments

  • guinnessaddick
    guinnessaddick Posts: 29,740
    Sounds like the cable  is on its way out.
  • Arsenetatters
    Arsenetatters Posts: 6,211
    Sounds like the cable  is on its way out.
    Would that affect the acceleration?
  • fattmatt
    fattmatt Posts: 637
    Speed sensor? I think that might feed transmission speed to the ECU to generate input to the speedo.
  • Arsenetatters
    Arsenetatters Posts: 6,211
    fattmatt said:
    Speed sensor? I think that might feed transmission speed to the ECU to generate input to the speedo.
    Thank you 🙏
    Being old I can’t imagine it having any sensors! 

  • Chizz
    Chizz Posts: 28,558

  • golfaddick
    golfaddick Posts: 35,325
    Is it battery powered.......?


    I'll get me coat.
  • fattmatt
    fattmatt Posts: 637
    fattmatt said:
    Speed sensor? I think that might feed transmission speed to the ECU to generate input to the speedo.
    Thank you 🙏
    Being old I can’t imagine it having any sensors! 

    My Toyota is 2008 and does have sensors if that helps. 
  • Zulu
    Zulu Posts: 367
    i cant imagine anybody in the right mind buying a Citroen Berlingo - does noone watch Youtube for the most unreliable cars on the planet? And dont tell me your 2nd car is a Fiat 500 ?
  • Arsenetatters
    Arsenetatters Posts: 6,211
    Zulu said:
    i cant imagine anybody in the right mind buying a Citroen Berlingo - does noone watch Youtube for the most unreliable cars on the planet? And dont tell me your 2nd car is a Fiat 500 ?
    I’ve done over 100,000 miles in the van and have loved every mile. The only vehicle I’ve ever had that will fit 90 chickens in the back and another 10 in the footwell at the front. Wouldn’t change it for anything.

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  • Masterbrew
    Masterbrew Posts: 317
    Did anyone else read the title as Old man speedo problem? 🤔
    I could post a picture my wife took of me on holiday which would fit the description of old man speedo problem. However, I don't want to take responsibility for any trauma it may cause...
  • aliwibble
    aliwibble Posts: 28,739
    We appreciate your consideration in not doing so @Masterbrew
  • Big William
    Big William Posts: 3,906
    edited March 18
    Zulu said:
    i cant imagine anybody in the right mind buying a Citroen Berlingo - does noone watch Youtube for the most unreliable cars on the planet? And dont tell me your 2nd car is a Fiat 500 ?
    I’ve done over 100,000 miles in the van and have loved every mile. The only vehicle I’ve ever had that will fit 90 chickens in the back and another 10 in the footwell at the front. Wouldn’t change it for anything.
    I would say “Don’t count your chickens”, but they’ve already hatched :-)
  • I had a similar problem in my car the Speedo went down to zero and the screen went blank. There was moisture in the electrical control unit.
  • From chat gpt

     
  • Arsenetatters
    Arsenetatters Posts: 6,211
    From chat gpt

     
    Thank you very much - this is exactly it. 
    For the last 20 years I’ve taken my cars and van to a lovely local garage at the end of my road. They have been fantastic and have done stuff for free as it would take 5 mins to fix rather than make something up and charge me. They had a sense of humour and, even though I wasn’t entitled to a courtesy car they would give me a similarly old battered vehicle to drive around. They’ve been taken over and I don’t feel the same trust (yet) so can go armed with some information.
  • lordromford
    lordromford Posts: 8,176
    Did anyone else read the title as Old man speedo problem? 🤔

  • Arsenetatters
    Arsenetatters Posts: 6,211
    This is good news / I’ve looked it up and the bit I need is less than £50 and just needs to be changed and plugged in. So I shouldn’t expect a massive bill. 
    Thank you all!
  • Pelling1993
    Pelling1993 Posts: 7,303
    Chizz said:

    Dodgy speedo but a self driving van, very impressive! Needs a few chickens in the passenger seat to complete the image  :)
  • MuttleyCAFC
    MuttleyCAFC Posts: 48,029
    I suppose you could get an old tom tom which shows your speed if it isn't worth fixing the speedo. I don't think it would affect an MOT as it is not a tested item but stand to be corrected.

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  • guinnessaddick
    guinnessaddick Posts: 29,740
    The waze app shows speed on it.
  • Stig
    Stig Posts: 29,575
    edited March 19
    I suppose you could get an old tom tom which shows your speed if it isn't worth fixing the speedo. I don't think it would affect an MOT as it is not a tested item but stand to be corrected.
    Speedometer not working is a Major Fault:


  • Arsenetatters
    Arsenetatters Posts: 6,211
    edited March 19
    I suppose you could get an old tom tom which shows your speed if it isn't worth fixing the speedo. I don't think it would affect an MOT as it is not a tested item but stand to be corrected.

    I use my phone sat nav so make sure im not speeding if the needle drops
    EDIT it's WAZE
  • SuedeAdidas
    SuedeAdidas Posts: 7,962
    Zulu said:
    i cant imagine anybody in the right mind buying a Citroen Berlingo - does noone watch Youtube for the most unreliable cars on the planet? And dont tell me your 2nd car is a Fiat 500 ?
    I’ve done over 100,000 miles in the van and have loved every mile. The only vehicle I’ve ever had that will fit 90 chickens in the back and another 10 in the footwell at the front. Wouldn’t change it for anything.
    Have that @Zulu. You obviously weren’t checking out the YouTube videos where they did the chicken capacity tests. 
  • guinnessaddick
    guinnessaddick Posts: 29,740
    Zulu said:
    i cant imagine anybody in the right mind buying a Citroen Berlingo - does noone watch Youtube for the most unreliable cars on the planet? And dont tell me your 2nd car is a Fiat 500 ?
    I’ve done over 100,000 miles in the van and have loved every mile. The only vehicle I’ve ever had that will fit 90 chickens in the back and another 10 in the footwell at the front. Wouldn’t change it for anything.
    Have that @Zulu. You obviously weren’t checking out the YouTube videos where they did the chicken capacity tests. 
    I remember the joke how many elephants can you get in a mini, two in the back & two in the front, never heard how many chickens can you get in a  berlingo.
  • Stig
    Stig Posts: 29,575
    Zulu said:
    i cant imagine anybody in the right mind buying a Citroen Berlingo - does noone watch Youtube for the most unreliable cars on the planet? And dont tell me your 2nd car is a Fiat 500 ?
    I’ve done over 100,000 miles in the van and have loved every mile. The only vehicle I’ve ever had that will fit 90 chickens in the back and another 10 in the footwell at the front. Wouldn’t change it for anything.
    Don't confuse your clucks for your clutch.
  • KBslittlesis
    KBslittlesis Posts: 8,912
    Zulu said:
    i cant imagine anybody in the right mind buying a Citroen Berlingo - does noone watch Youtube for the most unreliable cars on the planet? And dont tell me your 2nd car is a Fiat 500 ?
    Our first car was a Fiat 500. Carlos Fandango Fannymagnet.
    Had it from new for 13yrs. Never had any problems with it in all of that time.
    Part exchanged it when we bought Eric O’Dwyer our new EV Jeep Avenger a year ago.
  • DaveMehmet
    DaveMehmet Posts: 21,960
    edited March 20
    .