Normally you test a car with all three plugs out, throttle wide open, coil wire pulled, and with a fully charged battery. I also like to put jumper cables on the battery and attach them to a running car so that there is sufficient charge to maintain RPM across all 3 cylinders. I would also check the compression tester on a known running car to be sure that it is not faulty. Honestly, 0 PSI is pretty hard to achieve unless all three pistons have giant holes in them which is again unlikely.
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No green technology will ever make a substantive environmental impact until it is economically viable for most people to use it. This must be from a reduction in net cost of the new technology, not an increase in the cost of the old technology through taxation
(Note: the car sees 100% city driving and is EPA rated at 37 mpg city)
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