Guest greenrst Posted February 27, 2005 Share Posted February 27, 2005 i have a 280zx 2+2 and i put a new engine in it non turbo but anyway my problem is it wont start when engine is cold but for some reason if i put a heat gun and warm up the thermosthat housing it starts after i let it run for a while i can shut it down and restart again but if the engine cools down here we go again i cant figure it out also my engine temp guage not working noticed a missing wire on thermosthat please help out newbie sorry about spelling Quote Link to comment Share on other sites More sharing options...
datsunlover Posted February 27, 2005 Share Posted February 27, 2005 First of all, if you replaced the engne, make absolutly sure ALL of the wiring/electrical is hooked up and in good shape. When it's cold, does it sputter and try to start, or just crank over? Maybe something with the cold start 'thermo time' sensor (one of the sensors in the thermostate housing) is screwy, and the ecu doesn't add engouh fuel when cold? As for the temp guage not working, that's probly your missing wire causing that. I'm assuming it just broken off at the sensor.. Quote Link to comment Share on other sites More sharing options...
Guest greenrst Posted February 27, 2005 Share Posted February 27, 2005 it sputters trying to start but when the engine has been running and shut down then restarts on first try Quote Link to comment Share on other sites More sharing options...
ZR8ED Posted March 16, 2005 Share Posted March 16, 2005 sounds like not enough fuel upon cold start up. thermotime switch? temp switch? startup injector? Quote Link to comment Share on other sites More sharing options...
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