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i would check the glows. thats easy to do. unscrew the rail and put multi meter on. its possible its dropped a few but it sounds to good for dead glows. failing that then clear air hose. check for air being sucked in. check fuel hoses for cracks, even splits at the ends. also the spill line...

injector cleaner may have swelled some of the rubber o rings etc. what color smoke does it put out? once started, if you stop and restart do you have the same problem?

doesn't sound like glow plug problem. i suspect its sucking air into the fuel. you can try priming the filter and push a fair bit of fuel through and see how it starts. i would start with a new fuel filter, make sure you change all the o rings. then put a bit of clear fuel line after the filter...

it was the patrol and terrano that melted pistons. they had a higher output version and different turbo and control system. navara don't seam to be to bad. highly recommend fitting a good intercooler. remaps are difficult because they have a weird ecu. it requires unsoldering the chips and...

no d22 ever had rear disk brakes.

i would try to compare part numbers. good chance a company like dobsinsons would use the same part number if it fits and dobsinsons is a common brand downunder. otherwise you run a small risk that there is a slight differences between usa market and japan market. i have seen that in toyotas.

o i forgot, later d40's have fuel lift pump in the tank. in which case i'm surprised you have to prime it. most of them with lift pumps will self bleed. come to thing of it i don't think they even have primers on those ones.

i'll add a bit. there is a valve on the filter but thats a thermostatic valve to return hot fuel to the filter in cold weather. it also doesn't have electrical connections for an ecu to make it do anything. ie NATS can't control it. there is no electrically operated valves in the fuel system...

agreed. thats absolutely correct. electrical noise can screw with the fob signal. its a separate issue to the fuel and not related. no. there is no special valve in the system for that. they are talking complete BS. fuel draining back due to air leaks on the fuel line is a very common problem...

fuel should never drain back to the tank. that usually indicates an air leak somewhere, air gets sucked into the line. common place is fuel filter. some people add a one way valve back at the tank at a low point, which helps.

your far better off testing the wires for the radio. if things go wrong, shorts out, it blows the radio fuse not fry your main ignition line and kill the ute.

boost on its own won't do much. fueling is key, however you can't let EGT's get to high. egt gauge is a must. i also highly recommend an intercooler. it will do more than what increasing boost will do.

as long as the catch can is the same or bigger than the stock breather hose then your ok.

the output is also limited by the regulator rating, ie spin it to fast you will blow the regulator. eg 60 amp regulator is not going to like 90 amps being pushed through it. the other thing that helps is fitting a bigger battery. that helps with things that draw a lot for a short time. it won't...

might pay to jump on the UK navara forum. downunder didn't get a lot of those engines (nz got them in 2wd, and aussie never got them at all). they are also the ones that had conrod bolts come loose and throw the main bearings. there was lawsuits etc. all good fun. uk guys should have info on...

it might pay to understand the engine he has before commenting. only way for it to be a throttle butterfly problem is if someone puts the vac hoses on wrong. but even then it wouldn't explain why it ran fine for a day.

have a chat with auto sparky or search the databases/catalogues. there will be other vehicles that use similar alternators.

sounds like you need to pin point the exact cause. it kinda sounds like you got the usual bs answer "it sounds like its the turbo" and its often the really expensive unrepairable one. it can also be an exhaust leak. for eg egr pipes are known to crack. so you need to confirm that it actually is...

which turbo is failing? or do you have the single turbo model? also how is it failing? there is some talk of the turbo control valve getting plugged up with dirt.

fuel starving or sucking in air. check fuel filter. if ok fit clear fuel line and look for bubbles.