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Why does my Audi A3 temperature gauge spike and reset?
A sourced answer about diagnosing intermittent overheating symptoms in an Audi A3.
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Euro-Tech Motors
Expert companyLos Angeles, CaliforniaA temperature gauge that spikes and returns to normal after a restart can point to a failing coolant-temperature sensor or inconsistent coolant flow from a deteriorating water-pump and thermostat housing assembly.
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