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corsa 1.216v losing power

  1. Mechanical, Exhaust & Performance/Tuning
    Hi all, I have got a corsa 1.2 sxi 2005. Engine running lumpy. checked with a fault reader and says Mass air flow circuit. Ive change it and no difference. was told that it could be a bad earth and try re earth it to body. anyone one know what colour the earth wire is please as there is 5 wires...
  2. Mechanical, Exhaust & Performance/Tuning
    Hope someone can help with my problem? Have a Corsa 1.2 16v b X12XE year 2000 Have had a diagnostics done Code P0130 (002) O2 Sensor Circuit Voltage Low This indicates a Lamda Sensor fault, but my engineer suspects its something else. Hes not even sure its the MAF (Original GM model) When I...
  3. Mechanical, Exhaust & Performance/Tuning
    i have a corsa c 1.2 sxi , its missfiring like mad when underload , is fine at a stand still , when im driving it will loose power and then go to cut out and backfire then pick up a little more speed and keep doing the same over and over again its got to a point where its not driveable , ive...
  4. Mechanical, Exhaust & Performance/Tuning
    hi i have a 1999 corsa 1.2 16v sxi and i keep losing power when on motor way or dual carriageway. i will be doing 60 or 70 and then suddenly lose power and the speed drops and the engine management light comes on but if i put my foot down so the throttle is fully open the speeds drops even...
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