20 liters per 100 km

tomasz · Post by **tomasz** » 12 Sep 2005, 11:49

my 850 2,5 l 20 V auto gear box wagon burned 20 liters of petrol .What shall I check to come back to normal 13-14 liters per 100km

White850Turbo · Post by **White850Turbo** » 13 Sep 2005, 05:56

Wow, big drop in mileage. Does your model have the air pump? If so, check out all the rubber elbows. The most likely cause is a vacuum leak somewhere. Listen for a hissing sound with the bonnet (I'll assume you're on the other side of the pond

) up and the engine running Got any codes yet?