What is Oppo's favorite method of finding vacuum leaks?

I’ve been playing around with the accidental Jag over the last few weeks.

Illustration for article titled What is Oppos favorite method of finding vacuum leaks?
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While the misfire went away with a replacement coil pack the car is running real lean on throttle and throwing bank 1 lean codes. I’ve already checked fuel pressure, and cleaned the MAF (furthermore, disconnecting the MAF still makes it run lean) so I’m down to either o2 sensors or a vacuum leak. I tried to hook up a party smoke machine to a vacuum line but didn’t really get me anywhere as I do not believe it puts out enough pressure to fill up all the voids. I bought a cheap smoke tester off ebay (this one, actually looks like a decent design and I don’t think I could do the same for cheaper) but I’m still waiting for it to come in. So anybody have any other good ideas I could do to check for gross leaks in the meantime?

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