Here's one for you guys

Discussion in 'General Motoring' started by Merlin®, Dec 27, 2003.

  1. Merlin®

    Merlin® Guest

    Astra 1.4 L reg

    Problem is it keeps cutting out on deceleration and engine mamagement light
    keep coming on when delelerating but only when in gear. When reading codes
    all it says in the vehicle speed sensor. So replaced that also replaced the
    ECU and still it keeps cutting out. Also when at idle the engine revs keeps
    Any idea mateys
    Merlin®, Dec 27, 2003
  2. Merlin®

    mike Guest

    sounds like the idle speed sensor to me.
    look back in the msgs, there are quite a few that detail how to do it & what
    problems prompted them to replace it.
    not too diff for a diy job.
    also, have u got an accelerator with the throttle pot .
    that might be worth a look

    mike, Dec 27, 2003
  3. Merlin®

    Michael Shaw Guest

    Had a similar problem on a friends car, whilst engine braking (downhill good
    example) the engine light would come on and sure enough at the bottom of the
    hill the engine had stopped.

    We tried the reading codes bit and got the same as you.

    I got her to use redex on 2 tank fulls which cured it.
    Michael Shaw, Dec 27, 2003
  4. Merlin®

    Me2 Guest

    Not changed the radio recently have you?
    Heard of this before and it was non Vauxhall radio causing the problem.
    Me2, Dec 27, 2003
  5. Merlin®

    Merlin® Guest

    Idle speed sensor been changed too
    Merlin®, Dec 27, 2003
  6. Merlin®

    Merlin® Guest

    Deffo will give it a try
    Merlin®, Dec 27, 2003
  7. Merlin®

    Merlin® Guest

    interesting though.

    Could be worth while driving without a CD player for a while
    Merlin®, Dec 27, 2003
  8. Merlin®

    Me2 Guest

    Where was the speed sensor you replaced? Is the speedo cable or electronic
    Me2, Dec 28, 2003
  9. Merlin®

    Merlin® Guest

    That would be in the Speedo head matey.
    Merlin®, Dec 28, 2003
  10. Merlin®

    Me2 Guest

    you need to see if there is continuity in the wiring from the speedo head to
    the ecu.
    Can you get hold of a wiring diagram - Haynes manual - maybe?
    astras have a big multi plug in the nsf kick panel, the whole world runs
    through it so woth a look.
    Can't remember if this works on astras ( does with Corsas ). Drive at a
    constant speed and press both buttons on the info display at the same time.
    It should show your speed ( in kmh).
    Me2, Dec 29, 2003
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