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hard starting...temperature sensor??? S70 1998

posted by  KlausC on  Sat Feb 25 12:18 CST 2017
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

Your engine coolant temp sensor died. You might want to check the wiring at the ECT sensor, it may be broken or loose.

Just remember to drain a quart of antifreeze from the radiator before pulling the sensor out. No need to get antifreeze all over the alternator!

Yes, a bad ECT will cause the engine fan to come on and will also cause hard starts.
--
Keeping it running is better than buying new






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