hey guys ive searched round but i cant seem to find the awnser
i need to know what the spec is for vacuum at idle for a s13 sr.
i think i may be dealing with a vacuum leak
thanks
–Dan
I don’t know about SR’s, but every turbo car I’ve dealt with was around -20 inhg.
mine is turbo and its -12 inhg hmm…
-15 to -20 is normal. the accuracy of ur gauge could be off too. if its mechanical it can be off by 3-4 psi easily. also depends on where u taped into ur vacum line. if ur cars running fine dont worry about it. if its not running up to snuff then look up a vacum line diagram on google and u should be able to find the leak that way