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Power drops off like towing a truck when car gets to temperature

Help, Advice, Owners' Discussion and DIY Tutorials devoted to the second generation C70, S40 and V50 Volvos -- awkwardly model year 2004 ½ onwards -- plus where to go for advice and discussion on Volvo's sporty C30 Coupe powered by Volvo's ubiquitous inline 5-cylinder power plant.
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difflock54
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Year and Model: V40 Nordic 2002
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Re: Power drops off like towing a truck when car gets to temperature

Post by difflock54 »

The temperature gauges are not super sensitive / accurate so although it shows in the midpoint range the engine may be overheating just enough to cause the drop off in performance.
Is the thermostat okay?

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