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He says it has a new accumulator. I guess you can test them - I think a few threads on that.
Both pumps have check valves, so you would be expecting the pressure bleed elsewhere. It could be an injector. One way to check would be to pull them, then refit to the lines, pressurise via airplate til they spray, then shut everything off and collect in small jars what comes out - if any. It won't take a whole lot to drop the pressure.
Something does sound wrong in terms of the airplate movement before they squirt. Should happen as soon as the plate opens -1/8" sort of thing. That is determined by your idle mix screw.
Normally set (from zero baseline) by pumps running, no fuel to injectors, then turn clockwise til injectors crack open, and back off half a tunr. That should be close. May pay to check that.
Alan
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83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-)
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