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Thread: combo fails

  1. #1
    Member welderman's Avatar
    Join Date
    May 2011
    Location
    bury
    Posts
    2
    Vehicle
    corsa

    Smile combo fails

    Hi all.
    I have a 53plate corsa combo 1.7di. few months back put new DCU on at rear of engine. cleared all faults trained and runs great......with an exception of the following:

    1. when idle at lights say, it is searching or surging. Revs are up and down from 500 to 800, but does not do this all the time only occasionally? Checked with vauxhall diagnostics and came back no faults, even though it was doing it at the time?

    2. suddenly all lights came on and engine just stopped working, lights went off. Small orange light off a car with a spanner through it. After six attempts van started and drove off ok? just been back to have fault diagnostics (another 85 quid) and it came back again......NO Faults?

    Can anyone give me more info from these please?

    Regards
    Welderman.


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    • #2
      Site Owner pecky's Avatar
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      May 2010
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      Wolverhampton, United Kingdom
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      7,403
      Vehicle
      Insignia 2.0 Biturbo 4x4
      Hi,

      Unfortunately, I don't know too much personally about the engine side of cars as I'm not a mechanic.

      Hopefully someone else may be able to point you in the right direction.
      Richard Peck
      www.diagnostics.org.uk

      Availability & bookings here

      Insignia 2.0 Bi-Turbo 4x4. AFL, Sport Leather Pack, Embedded Bluetooth, DAB, Navi 900, Infinity Sound, 20" Alloys, VXR Styling pack, Dual Climate, TPMS, Power fold mirrors, electric rear windows, Sight & Light Pack, Front & Rear Parking Sensors

    • #3
      Member welderman's Avatar
      Join Date
      May 2011
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      bury
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      corsa
      thanks, hope they can help though as its very annoying.

    • #4
      Member asim595's Avatar
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      Jul 2014
      Location
      Rawalpindi
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      11
      Vehicle
      BMW 2010
      You need to repair the engine.

    • #5
      Member paul9's Avatar
      Join Date
      Aug 2014
      Location
      United Kingdom
      Posts
      110
      Vehicle
      Astra H SXi Easytronic 1.6 TP
      Seeing as how this dead thread was revived, I shall stick my oar in. Uneven idle speed is often caused by a faulty Idle Air Control Valve. Check your air filter and intake system for leaks/blockages/damage, then check your throttle body is clean. Finally, check the IAC solenoid valve. Usually, this means check by substitution, unless it is obviously sticking or damaged.

    • #6
      Member wontmore.ag's Avatar
      Join Date
      Sep 2018
      Location
      doncaster
      Posts
      5
      Vehicle
      1.7dti combo 02
      I need to know if I can upgrade the turbo on the 1.7dti had force induction 63mm hard pipes 450mmx200x65 intercooler any ideas told the the isuzu. 3.0 Monterey 159bhp would work any help appreciated [[IMG][/IMG]

      Sent from my SM-N950F using Tapatalk

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