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power drop

  1. Vauxhall Vivaro 1.9 (2006) loses power when its heavily raining

    Movano and Vivaro (including Renault/Nissan Deriva
    I've experienced the loss of power when driving in heavy/persistent rain a few times. The power comes and goes and electrics seem fine (lights etc remain on). Any ideas? Cheers
  2. [Insignia] [08-17] Insignia 2.0 Cdti loss of power in 4th,5th and 6th.

    Cavalier, Calibra, Vectra, Signum, Sintra & Insign
    Hi, in need of a little help! The power drops off the edge of a cliff anywhere between 50-70 MPH at approximately 2-3000RPM. The fault is only apparent in 4th, 5th and 6th. My local garage have plugged in their diagnostics; MAF Sensor, High pressure (or compression?) across or 4 cylinders...
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