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Oil in the air intake tube

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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waynegarbo
Posts: 75
Joined: 15 December 2015
Year and Model: 86' 740 non-turbo
Location: Fresno, Calif.
Has thanked: 2 times

Re: Oil in the air intake tube

Post by waynegarbo »

Here's my results on the snap test.

Idle-20 inHG
2000 rpm-20 inHg
Snapped-22.5 inHg

Snap velocity rise was good, no hesitation, and no wandering or erratic kneedle movement throughout the test. Only noticeble thing was the hesitation of the kneedle before it dropped back to 20 inHG....

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