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mpg insignia 1.6 diesel

  1. [Signum] [03-08] Help! 1.9 Cdti using to much fuel.

    Cavalier, Calibra, Vectra, Signum, Sintra & Insign
    Hey, I am having a fuel consumption problem with my Vauxhall Signum 1.9 Cdti 150 (z19dth). It was working fine until I gave it some right boot last week and it seemed as though something became stuck making the engine use a lot more fuel than usual. Normally uses 0.1 gal/hr warm tick over...
  2. [Insignia] [08-17] AWFUL MPG INSIGNIA 1.6 DIESEL

    Cavalier, Calibra, Vectra, Signum, Sintra & Insign
    HI ALL Im new to this site and have joined to try find info off any of you guys. Is anyone else getting between 35 and 40 mpg even when driving economicly. The car has only done 4k so hoping it will get better once bedded in. The reason i ask is because our company only pay 9 pence a mile...
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