problem daignosis 1jz ( vid included)

[pato]

so ive finally got my halfcut running well. and it was running great for about 400km's until last night when it got gay.
when comming onto boost it wouldnt pull ( as if it had a boost leak) but then would pull intermittedly, so that kinda ruled out boost leak
also it would idle increadibly low ( 500rpm)

since my conversion ive had numerous fuel issues, ive replaced the pump with a walbro, then i had a cloggage in my lines which i had to repair and now this. I think that it is another cloggage but it also could be the pump which iam leaning more towards, becasue the engine is surging now under idle.( video attached )

this vid was done this morning as soon as i started her up. it shows my neo with the pressure gauge, revs and throttle


what do u guys recon it is before i start pulling my fuel tank down etc ?

[Norbie]

I reckon you should invest in a cheap oil pressure gauge from Supercheap or whatever and plug it into your fuel rail. That way you can immediately tell if you've got problems with your fuel system without having to resort to the trial-and-error method.

[EldarO]

whatg initially clogged the lines?

and you cleaned the tank out and put new fuel in didnt you?

what im getting at is, you may have cleaned the lines out, but not have gotten to the initial cause of the prob. so now, the same thing has happened again?

check your coil packs too, for cracks, but its most likely fuel.

Elmo.

[pato]

after doing the conversion. i couldnt be fucked doing the fuel pump myself initially. ( theres my biggest mistake)
since then my car has been in the mechanic twice for a total of 8 days, and $700. they claim that they have cleaned out all the tank and lines. and i told them to drain all the fuel. i have a feeling they didnt and the problem has come back.
this time i dont want to take it back to them because
1. i dont have any money left
& 2. obviously there retards if this keeps happening.

i cant buy a cheap gauge atm because i literally have like $10 to my name. so from watching the vid. would u guys say that it could be caused by a blockage? ( iam not sure because when i rev the car it seems to rev allright, which is nothing like what happened with the blockage) or could the pump be on its way out due to the excess load it had while having the blockage before ??
iam 90% certain, taking into account all the shit thats happened before that its fuel related