We have 4.2 lt Nissan Patrol TDI, towing 3.5t van. Like many patrol drivers, we have overheating issue when towing up long steep inclines. This problem can be conquered by keeping the revs close to 3000 RPM, but at times, this is not possible, hence my question:
Does anybody have any comments positive or negative about the additive "CEM FOC (Flushing Oil Concentrate)" or similar?
Does it decrease the need to have the injectors serviced?
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Currently in New Norcia, Western Australia