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Sure.Boost at idle should be zero (or even a slight vacuum). There's not enough exhaust flow to spin the turbine, and Nissan (Renault) knew this, so if your car won't start it's almost never the turbo.Boost when the load is high (and engine is doing 1600rpm or more) should be in the 20-24psi range. The ECU varies the boost at all other times.Coolant temp should be above 85 when operating normally (the thermostat should be fully open at 85C and that's the point where the glow plugs turn off), and under light load (normal driving, not towing) should sit below 95C. Climbing hills raises it a little, climbing hills while towing a large rig like we do will raise it a lot. I solve that by slowing down (changing gears too).
Sure.
Boost at idle should be zero (or even a slight vacuum). There's not enough exhaust flow to spin the turbine, and Nissan (Renault) knew this, so if your car won't start it's almost never the turbo.
Boost when the load is high (and engine is doing 1600rpm or more) should be in the 20-24psi range. The ECU varies the boost at all other times.
Coolant temp should be above 85 when operating normally (the thermostat should be fully open at 85C and that's the point where the glow plugs turn off), and under light load (normal driving, not towing) should sit below 95C. Climbing hills raises it a little, climbing hills while towing a large rig like we do will raise it a lot. I solve that by slowing down (changing gears too).
