Hello, I have 2-SL650's (1994) , one runs great the ather bogs down - When checking everything noticed that impulse to good one fluctuates between 1 and 3 PSI?, the bad one is at a steady 2 PSI.
What should the impulse vacum/PSI be like?
Thanks,
What should the impulse vacum/PSI be like?
Thanks,
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