the elbow is new the fuel filter is new i even change the small piece of vacuum hose at the filter. but as stated there is no vacuum present when you put your finger at the end of hose coming from elbow. by the way this is 02 x5 3.0i
Quote:
Originally Posted by upallnight
Vacuum varies and depends on a lot of factors. With the engine at idle you should have a decent vacuum at all time since the throttle is close, at WOT there is less vacuum. Engine RPM and atmospheric pressure also affects vacuum.
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