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Hi all, just boat talk again, running really good but at full chat it struggles after a while, back off on the throttle and all is good again, i think the cheepish electric fuel pump may be struggling at full capacity, can anyone suggest a pump that would be up to the job but doesnt cost the...

Hi, just so you know, i borrowed a pressure gauge and it showed about 38 psi and dropped a few when warm so all was good, turned out to be both gauge and sender that was at fault. for interests sake i took the lid off the old unit to see how it worked, the oil pressure moves a pin onto a rocker...

Thanks for the info on the oil filter, upon taking the oil pump parts out of the cleaner everything checks out and are in good condition so its back together and bolted back on. back on with the drill to the pump drive and the oil light goes out almost straight away, the gauge goes to about 20...

Hi mate, thanks for that great info. on your suggestion i have dropped the oil pump housing, the plunger was in there and lodged at the bottom ! After a poke around it slid back out, looks to be in good condition as does everything else to be fair. Have dropped them in the sonic parts cleaner...

Hi again, been having a few issues with the oil pressure, oil light goes out but the pressure needle barely moves, have had a shaft on the drill to drive the pump, when the drill is going slowly the gauge says 15-20 psi but speed the drill up and it falls back to zero, oil is in the filter but...

Cheers Kev, im sure i will have plenty more questions in the coming months. Thanks everyone !

Hi all, thought i should share a few photos for those who are interested

Must be out of a smart car or something then

Hi kev, that has clarified a few things thanks, i cant tell you what year the engine or loom are from , sorry, they were already fitted to the boat and i havent the rover knollage to decipher what is what, could the engine be early as the fuel rail hasnt a schradar valve and on wiring diagrams...

Hi kev, first of all thanks for your post, the engine will not fire at all when cranking over with the fuel pump connected only after it is disconected and turned over a few times will it fire up and run, it will rev on the throttle also till the rail is de-pressurised somewhat .It has no cat...

Maybe a Ecu problem then

Yeah i think that would be a no go, will borrow a pressure gauge this week and check the rail pressure as suggested by others.

Hi steve, thats the conclusion i have come to, when its running i tried the pump and it literally stopped it dead. i dont know much about rover v8s but its been a fast learning curve, im good on the spanners and quite knolagable, The schradar valve the other chap is talking about isnt on the...

The engine runs until the pressure runs out of the rail, turn on the pump and it will not, the injectors sqirt and the plugs fire ! disconnect the pump and after it turns over a few times it runs again. there isnt a schrader valve on the rail !

Hi, i havent but will see my mate at a local garage and ask if i can borrow one.

Hi Steve, forget about me asking about if the pipes could be the wrong way round, upon thinking it must be rite as its the device that keeps the rail pressurised ! Have read loads of past posts and a few that may apply are if the sensor on the rail is acting up the ecu tells the injectors to...

Hi steve, Now then have i got pipes the wrong way round at all ? From the pump it goes to the fuel rail then at the end of the return is the fuel acumilator or whatever its called before returning to the tank, think this is how it is plumbed, is this correct ? Cheers

Thanks for the answer, unfortunately i havent a clue how to add pictures . lol

Hi all, new to the site, and have been told by a couple of members that you are the guys to get some answers from. From the start i will tell you that its a speed boat im talking about so i hope i dont put people off from answering. Anyway the boat is fitted with a fully marinised rover 3.9...

Cheers i will do just that, thanks