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Originally Posted by Minnet
Pressure at cold start valve output of fuel distributor seems OK (the valve can produce a fine spray), but the 4 injector outputs have very little pressure, i.e. fuel flows proportional to the posistion of the air mass sensor (from none to some milliliters per second). Applying 20 mA current through the EHA in either direction hans no (or at least not a significant) influence on the flow rate.
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Not sure what you are saying - note the injectors have check valves that will not permit fuel flow below about 40 odd psi in the injector lines. If there is any injector output, secondary pressure is at least that.
Steve