Nissan Technical Advisor 9/9/2010One/some of the following is/are the cause of your trouble.
Engine and battery earth connections - check connectors and adjust it tight
Fuel filter and fuel pump - replace fuel filter, and check fuel pump pressure
Air intake system for leaks - check for loose hoses connecting from intake manifold, attached evenly.
Fuses/fuel pump/system relays - re-insert all fuse, and connectors
Idle speed and CO content - idle speed sensor is worn
Coolant temperature sensor - maybe worn, replace it
Fuel injection system wiring and connections - check connections and re-insert them
ECU and connector - check and re-insert
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