mikey_nz Posted February 22, 2014 Share Posted February 22, 2014 hey guys i have recently got a pathfinder. it is a 91 v30 petrol 5 speed. when it is cold it starts first turn of the key, once the engine is warmed up it will not start.. cranks over but thats all. i had a few guys help me try push start it and it started but was missing all the way home. i need some help plz guys mike Link to comment Share on other sites More sharing options...
adamzan Posted February 22, 2014 Share Posted February 22, 2014 Check the coolant temp sensor, that can cause a no start when warm. 1 Link to comment Share on other sites More sharing options...
mikey_nz Posted February 22, 2014 Author Share Posted February 22, 2014 is that the same as the engine temperture sensor in the chilton workshop manual?? Link to comment Share on other sites More sharing options...
Precise1 Posted February 22, 2014 Share Posted February 22, 2014 It is the one for the ECU, in the top jacket by the thermostat. If the two, I believe it is the rearward one, with a yellow body I think. We accidentally interrupted the wiring connection for it on a friends Pathfinder and were talking as it warmed up idling. The motor suddenly cut out as if the ignition was turned off and it refused to start until we fixed the connector, then it ran fine. Try just wiggling/cleaning the connector first, then you can check the resistance of the sensor using the values you can find in the Factory Sercive Manual you can download from the Garage section. I hate just changing parts without testing the old one if possible. B 1 Link to comment Share on other sites More sharing options...
silverton Posted February 23, 2014 Share Posted February 23, 2014 Could also be the ignitor, when they go bad they aren't too happy when hot. Link to comment Share on other sites More sharing options...
aj503 Posted February 23, 2014 Share Posted February 23, 2014 Yes, the ignition coil can produce that issue too, recently replaced mine for that reason. 1 Link to comment Share on other sites More sharing options...
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