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V70-T5: HARD TO START - AT TIMES, IDLE UNSTABLE AND STALLS V70-XC70

posted by  KlausC on  Sun May 16 11:39 CST 2021
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last visit: Fri Oct 24 10:15 CST 2014
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If the car starts and runs well until the thermostat opens, check the engine coolant temp sensor. The ECT is close to the thermostat housing. A bad ECT will contribute to the problems you are having.

Easy enough to check. Unplug the wires(2), plug in a voltmeter and check the resistance. The colder the engine, the higher the resistance number. At thermostat open range, the ECT should read around 250 resistance.
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Keeping it running is better than buying new






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New V70-T5: HARD TO START - AT TIMES, IDLE UNSTABLE AND STALLS [V70-XC70]
posted by  someone claiming to be MIKE  on Thu May 13 12:22 CST 2021 >


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