Why is my Nissan ZD30 not turning on?
Also check the oil pressure switch. If this dies a ZD30 won’t start. Our problem was a flat main battery! The isolator for the 2nd battery was allowing it to turn it over, but the main battery could not provide enough power to run the main electrics. The problem started with chattering glow plug relays.
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.
When do you open the throttle on a Nissan ZD30?
The Throttle valve is fully opened when the engine is running. The valve is closed only to perform smooth engine stop when the ignition switch is turned OFF. A feedback sensor (Throttle Position Sensor – TPS) is also installed to ensure the ECM can detect the throttle plates position.
Where is the diagnostic plug on a Nissan ZD30?
You can cross terminal 1 and 8 on the diagnostic plug with a wire, and it will do morse code with the engine light. Different combos mean different fults. Check the ZD30 reference doc. Ahhh of course, where do I find the diagnostic plug?
Why does my Nissan ZD30 wont start?
It’d crank over but not fire. Ended up being a broken shut off wire to the diesel pump & it was concealed with little conduit so wasn’t visible. If diagnostics comes up all ok then get a test light & start looking for where power may not be getting through to.
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.
What are the issues with the ZD30 engine?
The ZD30 engine has suffered a poor reputation for premature failures including melting/cracking pistons and overboosting, largely due to some common issues. These engines run a variable vain turbocharger with boost controlled by the ECU, and to meet stringent European emission standards run an exhaust gas recirculation (EGR) system.
How often should I Change my ZD30 Turbo?
ZD30’s need regular oil changes, every 5000k is recommended. Take the car for a long drive 1-2 hours at least once a month to help clean some of the carbon out, also a fuel system cleaner will help this process by adding one every four fills. Heres a link to our CCT range and BILLET range of Nissan Patrol Turbochargers: Need the Turbo?