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Hi all. How often do these need to be replaced? DaveT, DaveM, and DaveMidwest, I'm sure you guys have a good idea. I'd appreciate anyone's opinion. I have the intake manifold off right now and in the middle of detailing/POR15 the valley along with a slew of other things so there would be no better time than now to replace it if it's a common failure point. But at $40, I'd rather get some opinions first. The only thing that was funky at the time I broke my engine down was I had a high idle (about 1000) once warmed up. Could this have been the issue, aside from most likely a vacuum leak?
Thanks.
Alex