Volvo RWD 200 Forum

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Vacc Guage Readings 200 1986

Hello everyone,
Still tring to smooth out my warm idle, rythmic 50RPM idle drop, feels like bad firing (lots of engine shaking).
I have a small vacuum guage which I connect to the port mear TBody that goes to the fuel pressure regulator. What readings should I expect? (inches HG).
Thanks
Karl
86 245 190K Kms







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