If it's a stock bosch pump, it's more likely the regulator since the stock pumps are vane-roller style and really shouldn't leak back very much if at all. If you think it could be a stuck injector, go for start and then kill it quick and read the plugs should be telltale if one is stuck. Jim Akiba On Mon, Sep 8, 2008 at 8:46 PM, Mike S <mikes@flatsurface.com> wrote: > At 08:13 PM 9/8/2008, B.J.R. wrote... >> >> As soon as the cranking of the motor stops, (ignition coil disabled) >> the pressure drops rapidly. >> A leaking injector? > > If it starts OK, probably not - that would flood a cylinder. > >> it's not the cold start valve leaking. or can the pressure back out >> the pump?? > > Pump or regulator. > |
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