low intake manifold vacuum please help
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Ok I have a 02 civic si that has been pulling the random misfire code I've changed plugs coils I've installed a cold air intake I can't find any vacuum leaks but my intake manifold pressure at idle is 4-5 psi I have a feeling that's not right if anyone has any ideas why this is I would appreciate your input/help thanks
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If you think a good mechanic is expensive, try hiring a bad one
Re: low intake manifold vacuum please help
but my intake manifold pressure at idle is 4-5 psi
02 civic si
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I have this scan thing and an app on my phone and it tells me different values it's a u.k. 2.0
Last edited by skeet43169; 04-06-2015 at 05:17 AM.
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