Precat Griff fuel pressure test
Discussion
So in an attempt to diagnose my extended hot start cranking (and overfueling/misfire/sooted plugs), I'm going to measure fuel pressure. Unfortunately the precat Griff doesn't have a valve on the fuel rail, like other models do, so I plan to disconnect the hose at the rail and tee in a pressure gauge ala this kit from Amazon: https://www.amazon.co.uk/dp/B088KDWN8Q/ref=sspa_dk...
Which hose should I tee into, the blue or the yellow?
Which hose should I tee into, the blue or the yellow?
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