Thread: V8 disco starving for fuel?

Stupidly took my 91 disco into a mechanic to get a discount filter change, got it back, and it ran fine on LPG, and was fine on fuel,then when out in the middle of nowhere(Mt franklin Brindabella MTNs near ACT), it started starving for fuel, then 5minutes later would pretty much only idle, as soon as I pressed on the accelerator it would bog down and I guess starve for fuel.
It'd run fine on LPG, so I'm guessing the mechanic may have done something stupid when changing the fuel filter.
So I turned it around and started a 10km decent into the valley, I tried doing some key bangers by turning off the ignition while rolling in gear, then turning it on again, to see if I could clear it's throat(yep you guessed it, my mechanical knowledge is limited, and even worse when it comes to fuel injection)to no avail(wouldn't even bang).
I couldn't locate a fuel filter anywhere on the car(it was raining and muddy, so didn't look near the tank), is it in the injector area, near the tank, or where?
Anyway, I was hoping that by descending in gear it may clean it out, and low and behold it did, luckily as I was a long way from anywhere(parents farm, brindabella valley).
Due to it not idleing that well and stalling easy. Whilst descending I was bump starting it on fuel at every decent corner so I had power for the brakes, and steering, when a hill came I would switch it to LPG , and bump start it to get up(LPG light was flashing empty, hence why I couldn't just use it).
After two days rest(with just a few KMs driving done)I set off home, on the way back up the big hill it only had one or two misses when it starved for fuel for a second.
I've put an injector cleaner in the fuel from a petrol station(please don't cringe), and driven it all the way back home from ACT(350km), but it still has a little hic up every now and then.
So, before I take it back to the mechanic, is there anything I can check? as I'd rather not take it to the mechanic again.
Could it just be bad fuel? Some water in the fuel, should I put a cup of metho in the next tank of fuel(I'd rather burn up all the injector cleaner first, but I'll ad metho if it gets bad again, as it's raining a bit here now).
I'm guessing it wasn't just the elevation, as I live in Katoomba(MTNs) and it runs fine, normally, and I doubt the elevation is much different where I was and it still has a brief starve every now and then.
The mechanics also changed the air filter, do I need to check if they left a cup of sugar in there or something?
On a side note, My car normally pop pop pops when engine braking, I'm guessing it's running a bit rich, but does it on LPG or petrol. It only has the rear muffler, I'm sure that makes it a bit exagerated, but it wouldn't make it pop would like it was running rich would it?
Please don't be led astray by my ideas, I'm just guessing it's fuel delivery issue in both cases.

I have just went down to the shop, and had the engine just stall at 60kph, tried to restart, but refused.

I have replaced my fuel pump a week ago, I can hear the pump, when I switch the ignition on and off, I have done a fuel filter today, but suspect the MAF..... thank's to the good folk's here.

This is happening hot or cold, but seem's worst when cold, I got it restarted by removing the MAF plug, started straight away, and ran fine, just a little rich, I think, so Im pretty sure I had narrowed it down to either the MAF or Fuel filter, because, it was like it was out of fuel, but I have a new stepper motor and all the other quality Lucas parts for ignition so I think I have the culprit....... but I may be wrong.

Hope it help's.... it can be so frustrating chasing these gremlin's not to mention expensive, I fortunately have new MAF on the way, when it get's here, I'll post my result's after the MAF

Cheer's Shane