Any one can advice me about Vauxhall insignia SRI Tourer 1.8l petrol 2011 model, very high fuel using issue.
Everything looks fine, I mean no misfire, no overheating, no high idling , start very well, no check engine light illuminates, the car runs well.
RCV valve, all plugs, air filter new.
Issue: 17.5litre fuel used within 58km.
Anyone can advice what's can be the problem??
Thank you,
Kid Regards,
RSz
Scotty's answer to a similar question
https://www.youtube.com/watch?v=KEHUU7dZ_Pw
Another video from Scotty
https://www.youtube.com/watch?v=8ShlypsSmmA
What do your spark plugs look like? Does the engine burn oil? Is your upstream O2 sensor working OK? Fuel injectors spraying properly?
You might want to scan it to check for whatever stored codes and and live data can tell you. (Not all codes trigger the check engine light.)
