Question about 2004 Hyundai Santa Fe
Hi thanks for reply may i suggest you check your engines COOLANT TEMPERATURE SENSOR this is not the temp sender unit which operates guage but a sensor which relays temp of coolant ie cold to the ecu and so informs for cold start required ! on older trucks/vehicles this was done by manual device on pump excess fuel delivered then when started auto cuts off same princple but now auto thro ecu+sensor if you had said smoke was heavy blue/blackish when engine eventually started ? this would have certainly been one or two glow plugs not working at optimum however? this seems not the case on your engine so points to ctsensor peugeot use a cable operated coolant sensor which works ok but yours is auto elec so may i suggest 1st check sensor wiring/plug are secure/clean also this sensor is screw into coolant engine block and looks like larger version of temp sender ? which if you check your manual it should give location and is easy enough to change ? hope this info helps ?
Posted on Dec 13, 2009
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Posted on Jan 02, 2017
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