What might cause low water temp?
My car always ran at a steady 80deg on the gauge when in motion, but recently it only reads between 70-75deg even when the engine is hot (oil temp reaches 80deg)
And still suffering from unsteady idle and occasional misfire under acceleration.
And the rev counter isn't working... is there a connection?
Thanks

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Car#1 306 HDi Meridian 5door, 133Bhp, 225lb.ft Ecosse R/R 20/3/05
Car#2 306 1.4 3door track car with Gti6 power. 167Bhp, 134lb.ft Ecosse R/R 21/10/07
Car#3 Grand Scenic 1.9DCi (Expanding!) family mover.

That was my initial thought, but surely it would still get up to temperature eventually?

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Car#1 306 HDi Meridian 5door, 133Bhp, 225lb.ft Ecosse R/R 20/3/05
Car#2 306 1.4 3door track car with Gti6 power. 167Bhp, 134lb.ft Ecosse R/R 21/10/07
Car#3 Grand Scenic 1.9DCi (Expanding!) family mover.

Stuck open thermostats, just had the same thing on mine, changed it, fine now.

Stan.

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"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone

Do change it though as running too cool will cost in fuel consumption by running too rich for too long on start-up and there is also a risk of bores wearing excessively through being petrol washed during prolonged cold running.If you remember cars with a manual choke or old VWs with defective auto choke carbs they could kill engines.

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New Forum same high quality intellectual debate!
Team Zimmer™

mine runs at the lowest point, and when sat in traffic goes upto halfway point , always runs really cold? will changing thermostat make it run warmer? and improve fuel economy?


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engines require a richened mix to start cold and this is achieved by what for running under load is an unnecessary degree of overfuelling which should reduce when the engine is within it's normal operating range. The stat is there to restrict water flow to the rad until it gets in range. n0 Stat or one stuck open will delay warming up use more fuel and potentially wash oil from the bores. The extreme effect is illustrated by the woman who took her new (Then in the 60's0 Mini back to the supplier to complain about the poor economy and was found to drive with her handbag conveniently swinging from the choke control. Being ancient has some benefits!!

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New Forum same high quality intellectual debate!
Team Zimmer™

better yet i shall be replacing today as there only 6 quid from ECP lol