My engine temperature sometimes changes (getting colder) a little e.q. when driving down-hill or when idling in traffic jams.
Is this normal or a sympton on a defect thermostat?
Regards Per
Engine temperature - 850 TDI
Mar 08, 2005
1 Replies
Not an expert, but I think it's normal, at least in winter. The engine is producing less heat when the throttle is lifted, and diesels breath the same amount of air per revolution regardless of whether it is light throttle or full throttle (short of the turbo spinning up).
Mike
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