Question about 1995 Nissan 240SX
My Nissan Primera EGT (1993 Reg'd) has an immobiliser, which was causing a similar problem. Turned on ignition and nothing. The immobilizer was faulty to the starter motor, so we disconnected it from the starter and left the immobilizer on the fuel line. Starts now, no problem and the immobilizer would still stop the potential thieves as they'd have no idea without the immobilizer key why the engine will no more than start then stutter to a big full stop!!.
The 240SX is probably a more modern Nissan but I bet there's an immobilizer built into it somewhere. You may need to take it to a Nissan expert or Dealer to check out. It's almost definitely something weird like an immobilizer or maybe the starter motor's blown it, but then you'd have heard the graunching noises that starter motors make when they're about to clap out, they don't usually just go. There may also be some disconnection of wires to the alternator, which amplifies the spark to the engine, but the starter motor would still turn, your engine just wouldn't fire up with the too weak spark. So if nothing moves, it's most likely an immobilizer or possibly (but unlikely) a sudden death starter motor.
Posted on Aug 03, 2008
I have a 240SX and this happens occasionally, I find if I cycle through the gears on the automatic transmission and back into park it will start, I think there is a sensor in there to make sure you are in park or neutral. I knew someone with a 93 Sentra same problem.
Posted on Aug 10, 2008
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Sounds like a faulty / intermittent Earth connection. Check all the battery and earth leads where they connect to the Battery, Engine, Starter Motor and Body. If possible disconnect, clean thoroughly by removing any corrosion or paint that could cause a poor connection, and reconnect making sure all are tight.
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