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Auto Parts and Repairs
Check Engine Light
Ford Windstar LX
Vauxhall Astra

Why does the engine warning light come on in your vauxhall astra with a simultaneous increase in engine temperature followed by a steep drop?


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Wiki User
October 07, 2014 1:13AM

It sounds like the thermostat is opening up late causing the engine to almost overheat before it opens. Replace the thermostat.