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Old 03-14-2013, 10:56 PM   #35
sonic656
 
Drives: 2012 Toyota FJ Cruiser
Join Date: Oct 2012
Location: Newnan,GA
Posts: 156
Quote:
Originally Posted by MikeSVX View Post
It's a vacume gauge also. So it has a use on non boosted engines as well.
We know that it can read vacuum. Why doesnt it read vacuum(inHg) instead of PSI is the question. The gauge itself reads 12PSI max, down to 0, then -12. -12PSI doesnt make any sense and neither does 12inHg(Not enough) if thats what they were implying. Pretty sure its just there for testing at this point.
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