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Hi all I'm in the middle of doing loads of jobs on my s2 convertible and just wondered what other peoples boost gauge is reading on tickover? Thanks in advance
it should be sitting in vacuum not boost, vacuum is the inhg reading which not all gauges have, if your boost gauge starts at 0 and does not have negative readings then at idle it should show 0
InHg is inches of mercury, the greater the vacuum your creating at idle the better condition your engine is in and the less leaks you have on the intake side.