What did I do with my Nissan ZD30?
Fitted egr block. Everything else was ok.. so i thought. Went skiing/camping with the missus and a mate, driving down the highway starting limp mode again, then engine light. Kept switching off engine and restarting to reset engine light.
How to help your Nissan Patrol ZD30 turbo engine?
If you own a Y61/GU NISSAN PATROL with a ZD30 3.0ltr turbo diesel engine, these are invaluable tips to help you increase the life expectancy of your engine. The ZD30 engine has suffered a poor reputation for premature failures including melting/cracking pistons and overboosting, largely due to some common issues.
Why does my ZD30 lose power at idle?
It is fairly common on early ZD30 vintage that they have vacuum leak in either hosees or the vac cylinder/reservoir so turbo vanes will not open fully. You can check it easily by starting the engine and at idle see if turbo actuator lifts up against the stop bolt and stays there not fluctuating up/down.
How to bleed a Nissan ZD30 turbo engine?
I would bleed the system by cracking the banjo bolt at fuel entry to pump and prime until fuel bleeds out, tighten that and do the same with the return banjo and tighten, then remove glow plugs and crank engine until mist appears through glow plug holes. Put back together and with afully charged battery try starting it again. My 2 cents worth.
What’s the problem with the ZD30 diesel engine?
ZD30 has injection pump which is notorious for failing but main engine ECU would give indication or response from the pump control unit if there is an error (you can’t access pump ECU directly without a compliant scanner) I don’t know what your mechanical skills or awareness of diesel engine components are like but: Start of with basics,
What to do about boost spiking on Nissan ZD30?
The practice of installing a larger / higher flow exhaust on a Nissan Patrol as many owners do can sometimes be a factor in reducing the problem. It is best practice with the Nissan Patrol ZD30 GU regardless of set up, to install a Dawes and needle valve to help prevent the problems of boost spiking.
If you own a Y61/GU NISSAN PATROL with a ZD30 3.0ltr turbo diesel engine, these are invaluable tips to help you increase the life expectancy of your engine. The ZD30 engine has suffered a poor reputation for premature failures including melting/cracking pistons and overboosting, largely due to some common issues.
Where are the injection lines on a Nissan ZD30?
This could also be an issue with NATS. Injection lines are buried under the intercooler between the inlet manifold branches, very hard to get to or if you look down the side of the engine where injection pump is you might be able to just see them coming out of the pump. Anyway I forgot to ask, does yours have NATS (immobilizer)?