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THAT IS THE VEHICLE SPEED LIMITTER SHUTTING YOUR FUEL PUMP OFF AT 188 KPH (70 MPH), Nissan DESIGNED IT THAT WAY.AN ECU FROM AN AUTOMATIC WILL FIX THIS APPARENTLY BUT I HAVE NOT TRIED IT.

2006-09-19 20:29:52
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Q: Why does your 1990 240sx disengage to neutral every time you go past 70 mph even on flat road?
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