been a while since i've been on here but just started to get working on my ute again and now it just runs like complete s**t

it started of "spluttering" like it was going to stall when i put my foot down. now its gotten worse right after i serviced it.

basically what i've done is turned it on and unlcipped each fuel injector to see which ones weren't making a difference when unclipped. 2 of them make absolutely no difference, replaced the 2 with brand new ones and its still the exact same problem. unclip them and there is no difference.

Any ideas of what else i can try? i dont wana take it to a mechanic cos i cant get to work without my ute and each day i take off trying to fix this s**t i lose money. Help please?

I take it you have replaced plugs leads etc... Are the cylinders that are misfiring together
could be valves or gasket

yeah plugs and leads we're replaced then afterwards was running worse, for some reason i was given 2 dodgey leads, al sorted now

damn! That sort of thing can be a bugger - I had my EF go stupid - mechs diagnosed buggered coil (using analyser) - so they fitted new coil AND new leads and plugs which I'd already bought for it. Couple of days later the original misfiring / no acceleration / surging started up again. I went ahead with doing the head - which needed doing anyway - and when I got the intake manifold off I found one lead not pushed onto the coilpack properly - grrrrr

Check your getting 12v pulses at each injector plug(use a multimeter or 12v test bulb) while cranking or with engine running. If they are all getting power than I would look at the following;

1) fuel filter being blocked/

2) fuel pressure regulator not holding rail pressure

3) fuel leak on the injector rail.

If fuel side of things look good check for good spark at the 2 cylinders causing the trouble--could be bad leads, plugs, contacts on dizzy cap, worn rotor button...etc...

I think he's got it sorted - was couple of dud leads - his experience raked up bad memories of my own tail chasing caused by "things that should have fixed it first time" syndrome so I was just venting