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Can anyone tell me where the coolant temp sender is on a cav V6 ?

It's still missing and kanarooing for fun so im gonna change CTS, fuel filter and if that dont work the lambda sensors as well.
 

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The CTS on the Vectra is in the bottom of the header tank, dunno about the cav,worth a look.
 

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just disconnect the lambda sensor first, it should run on a backup map and run fine. then you can rule that out.

there is a sensor on the V6 header tank. I don't know what it is though, may be low level, but could be CTS. disconnect it, see what happens
 

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Same as on Vectras, as MC says.

It's the Blue connector on the coolant bridge.

On a Cav you'll need to remove the Alternator cooling fan.

On a Vectra you need to remove the top inlet plenum section.

 
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