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86 740 turbo eats fuel but runs great still

Help, Advice, Owners' Discussion and DIY Tutorials on all Volvo's "mid era" rear wheel drive Volvos.

1975 - 1993 240
1983 - 1992 740
1982 - 1991 760
1986 - 1991 780
1990 - 1998 940
1990 - 1998 960
1997 - 1998 V90/S90
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burtmusson
Posts: 3
Joined: 22 December 2011
Year and Model: 1986
Location: san jose

86 740 turbo eats fuel but runs great still

Post by burtmusson »

Man I am getting like 150 miles out of a tank. I screw the idle mixture knob all the way in and it keeps idle and runs when I remove it too. Any clues as to why??? I have checked everything except o2 sensor
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