help needed, at a loss.

[Albannach]

3 things.

You didn't say the truck was dead before you tried to change the filter head. You are asking us to diagnose a problem, at least have the decency to tell us exactly what's wrong with it.

Are the filter and filter head new?

Are the pipes on the right way round?

[Albannach]

plus after a start attempt (60secs of cranking) the primer takes 5 to 7 pumps to go hard.

How did you count the 60 seconds?

[muddle]

3 things.

You didn't say the truck was dead before you tried to change the filter head. You are asking us to diagnose a problem, at least have the decency to tell us exactly what's wrong with it.

Are the filter and filter head new?

Are the pipes on the right way round?

not new parts, got them used from vince. yeah the pipes are the right way round, tank one is at the front and centre and the pump pie on the right (standing from the front of the surf)

[muddle]

update:

filter full of fuel, getting feed from tank no issue there. cracked the feed nut off the top of the pump and primed, fuel squirting everywhere. good.

crack the injector pipes off the back of the pump and crank for 20secs, no fuel atall leaving the pump. were all bone dry.

so fuel is getting to the pump but not leaving it. would it be the SCV at fault, can i fix this or is it a new expensive fuel pump job?

thanks for all the help so far.

p.s counted the 60secs with a stopwatch on my phone.

[muddle]

just re-tested the power to the SCV and its 4.58V constant. so ill rule out ECU. could it be the SCV itself not allowing flow to the injectors?

[Albannach]

I'll bow out now. One of the grownups can take over.

[muddle]

ok, thanks for your advice till this point, much appreciated.

[shokenore]

Just a wildass stab in the dark but did you fill up before you had "issues" ?

[MWS]

Luke, have you disturbed the electrical connection to the fuel cut off solenoid on the pump? If it's shorted, or disconnected, it's default setting may be to cut off the fuel supply from the pump to the injectors.

[yoshie]

update:

filter full of fuel, getting feed from tank no issue there. cracked the feed nut off the top of the pump and primed, fuel squirting everywhere. good.

crack the injector pipes off the back of the pump and crank for 20secs, no fuel atall leaving the pump. were all bone dry.

so fuel is getting to the pump but not leaving it. would it be the SCV at fault, can i fix this or is it a new expensive fuel pump job?

thanks for all the help so far.

p.s counted the 60secs with a stopwatch on my phone.

Did you read the thread I suggested, you have just described the same issue Alan faced and fixed. Might not help you but surely worth a read.

[muddle]

couldn't find the thread yoshie. crap as searching....

i dont think i disturbed anything wasn't f*****g about with electrics. all i know is theres no fuel leaving the pump but there is now 4.58v at the SCV.

could have something got in the pump and blocked it up? or something broke off inside?

[meooo]

As has been suggested already, it sounds like the fuel shut off valve on the pump, check voltage there, if its ok try removing it to see if the thing actually works. Its only an electro magnet switch that lifts a needle when running and drops it when you switch off....in an emergency you can remove the needle part to get the engine running, downside being you have to stall to switch it off....
Failing that...hows the cambelt? Will it start with a wiff of easy start down the air intake? I have to do that when they run out of fuel with the tractor in work, cos it will not bleed whilst cranking, but once running on easy start it bleeds itself.

[muddle]

where is the fuel shut off valve, ill check that tomorrow after work or mabye now if its not a pig. i'm guessing its totally different to the SCV?

thanks for your reply.

[MWS]

couldn't find the thread yoshie. crap as searching....

i dont think i disturbed anything wasn't f*****g about with electrics. all i know is theres no fuel leaving the pump but there is now 4.58v at the SCV.

could have something got in the pump and blocked it up? or something broke off inside?

If you had a lot of diesel spillage when you cracked the injector pies, is it possible that you could have caught the connection to the solenoid on the pump, whilst wiping up the spilt diesel?

[muddle]

didnt wipe any, the pipes from the pump to the injectors were the last thing i tried and they were bone dry before and after loosening, so must be pump fault me thinks, but what fault i have no idea