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I would add Auto Spare Parts Online Store, Dubai, UAE - SSG.ASIA to the list. Maybe best prices overall. I've done several orders from there without any problems.

I agree that checking won't do any harm of course. I've seen 900000+km ZD30 Patrol with my own eyes. Although, I am not sure if the turbocharger was replaced or not, but I doubt it can survive more than 500k km, so it must have been replaced at least once.

European Terrano with ZD30 is with single mass flywheel. And normally, the clutch lives between 200000 and 350000km, without any damage to flywheel. My advice also is to replace pressure plate, clutch disc, bearing, bronze insert in the crankshaft and clutch lever (the last is mandatory - the...

Intake manifold doesn't cook/bake anything. In fact it is one of the coolest parts of the engine when running, that's why the PCV oil condenses there. The trouble comes from mixing it with the particles form the EGR. There are several NISSAN engines that come with and without EGR, and you will...

Of course it is accurate. Ambient temp sensor has nothing to do with the engine. It only shows outside temperature (which is different from air intake temperature) on the dash, but I cannot see such sensor on Navara D22's service manual. Moreover, there's separate sensors for coolant...

Timer to cool what? The PCV oil is normal, unless the oil consumption is more than 300ml/1000km. And even then it is not that much of a problem if turbo is OK. Oil consumption of around 100ml/1000km is considered normal in most turbo engines, ZD30 included.

...so far. The ECU absolutely MUST know the engine temperature.

If this is the way it works, don't use it! Remap is the best thing that can be used.

Agreed. But these problems usually come later, not when the engine is "205000km old". :) The check of the turbine bearings and actuator is simple enough without removing almost anything, so performing it is always beneficial before doing any complicated/pricey repairs. I agree also for...

OK then - no MAF = one less problem to solve. I have Terrano R20 with this engine - I just forgot if Navaras have it.

Wastegate actuator is controlled solely by turbo's pressure. This is the beauty of plain old wastegate turbos - they might want more RPM to turn on, but they don't need anything else to control them. Also, they last longer. Anyway, I am pretty sure that replacing the MAF will bring back...

Move "Replace MAF" to the first place - this is simple and easy (2 bolts if only the sensor is replaced, 4 bolts and 1 clamp if entire unit is replaced ). Then clean the intake after it. Leave "check fuel pump" to the last place, unless "check engine" is active. If it is active, you absolutely...

1. Check your intake manifold. It gets REALLY clogged by the EGR gases. 2. I don't remember if navaras have MAF sensor, but this is a pretty common reason for low power. It too gets clogged with time, usually sending to the ECU that there's lower amount of air getting into the engine than the...