What's wrong with the engine of my Avensis?
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fault
The question
I just bought a 2000 Toyota Avensis off a friend. It has an intermittent problem wih revs going up and down and when it happens the temperature gauge drops all the way down. What could this be?
Asked by debbie king ·
Expert answer
Hi Debbie,
This really sounds like the coolant temperature sender unit/sensor is playing up. As well as sending a signal to the temperature gauge it gives a reading to the engine's computer, which affects how it runs. It's usually not too difficult or expensive to replace.
Hope that helps.
Answered by Shane O' Donoghue