Quote:
Originally Posted by NiftySVX
The backfire issue makes me think it is even more an exhaust issue. I would check that asap. If you drive it like that it will mess up the engine pretty bad
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Way ahead of you. Since that last drive, she is officially off the road until I can check it out. My vacuum gauge should get here tomorrow, so we will know more then.
Just to be absolutely sure of the test itself, it's just connect to a vacuum source after the throttle body, rev a bit and hold it, and if the vacuum slowly falls, I have a restriction, yes?