Re: Toyota Yaris 2000, 1000cc Archived Message
Posted by Shaun Dale on November 12, 2008, 10:13 am, in reply to "Re: Toyota Yaris 2000, 1000cc"
Patrick, Has the car car got more than one coolant sensor? I know it's probably just one for the ECU and everything after that is broadcast by the ECU, but I would check just in case. Could it be a faulty thermostat (stuck open) causing the engine to be overcooled. Suck some live data out of the ECU and see if the engine is cooling off at speed. Shaun
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