Question about 1998 Kia Sportage

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P1624 and p1115

What do i need to do to correct these codes P1624 and P1115

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Both codes refer to similar cause. the p1624 is saying that the engine coolant sensor is detecting a temperature lower than is required to open your thermostat even though the thermostat is open. There is a disagreement between what the car is reading as the engine coolant temperature and what you thermostat is responding to. The second code says that the engine coolant sensor is sending occasional higher than expected voltage readings. Both of the these codes together means that it is 90% a sensor issue and that either the sensor is faulty or the wiring to it is shorting occasionally (bad insulation). Find the sensor and wiggle the wires, unplug and plug the connector to it a few times and make sure the contacts are clean. If the problem persists change the sensor and/or wiring. To check the thermostat pop it into a pan of hot water and at about 85C it should open. Take the pan off the heat and as the water cools the thermostat should be seen to quickly close again. It is unlikely to be the thermostat in this case.

Posted on Jul 15, 2010


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