ST170 engine will only tick over
hi guys, need some help, i am running an ST170 engine in my mk2 escort , its running a megasquirt v3 ecu, gsxr 750 TB's on a standard ST inlet manifold and standard fuel rail and injectors. the fuel rail is converted to a fuel return set up, we can only get the car to start if we back the FPR right off to less than 1 bar (standard ST run 3 bar?) but it will not run under load, we think all things are pointing to a faulty fuel pressure regulator but thought i would run it by you guys, any thoughts ?
oh, its running a generic external fuel pump equivalent to bosch 044.
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