Temperature sender fault? - Alfa Romeo Forum
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Temperature sender fault?

Hi all,

I've searched but couldn't see anything much on this.

The temp on mine, a 2.4 Diesel, once it's been fully warmed up, tends to wander about a bit. It will rapidly drop to 75' then back to 90' in the space of a second or so. Leads me to think it can't be genuine, the temp can't change that quick.

Are the senders or wiring a known issue?
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sounds like sticky thermostat had one on petrol version stop working, gauge was allover the place then got stuck on zerotry a you tube search you may find video showing problem could make it easier to diagnose
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If its same as TS petrol *= then when there is a low temp reading the stat should be closed and the top hose from the radiator should be cold and not at same temp the gauge indicates .
EDIT * Yip its same for your derv )
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fault , sender , temperature

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