Ok we have two fuel pumps if you want to be technical
First is the lift pump at the back of the IP, which lifts the fuel from the tank to the filters
Second, is the IP or injection pump, which times and pressurizes the fuel going to the injecters

Try loosening the nuts on the injectors (17mm) and crank until you get fuel leaking from them. Then tighten them and try to start it.

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80 300SD (129k mi) 82 240D stick (193k mi)77 240D auto - stick to be (153k mi) 85 380SL (145k mi) 89 BMW 535i 82 Diesel Rabbit Pickup (374k mi) 91 Jetta IDI Diesel (155k mi) 81 VW Rabbit Convertible Diesel 70 Triumph Spitfire Mk III (63kmi)66 Triumph TR4a IRS (90k mi)67 Ford F-100 (??)

Will only take you about 60 seconds to check to see if your grow plugs are good, no need to replace just yet... unplug the glow plugs at the relay timer and check your ohms..should be 1.2 thru 2.0 ohms for each glow plug.