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Old 17th April 2019, 20:38   #11
Yorkshire GOC
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Quote:
Originally Posted by roy 1953 View Post
Received and fitted the in line thermostat, now the temp gauge is at 8 oclock
and 84 degrees.
Will see if this makes a difference to the mpg, found the info on maf and map sensors in how to section.
Roy.
Not sure if your gauge is faulty as the commonly held view is that at normal running temp -and 84 seems reasonable for a diesel - the gauge needle should be at quarter to nine - others more experienced in the diesel will hopefully comment.
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Old 17th April 2019, 22:03   #12
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The gauge should be at 9.00, did you fit the correct inline stat?
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Old 18th April 2019, 18:37   #13
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Ordered my own inline stat today - my gauge sits at the very first line from the bottom of the gauge!

However - after a service (all filters , gearbox and engine oil changes) , today I had to refill - 54 litres and it did 478 on the previous tank; am I right thats just over 40mpg - pure urban miles as well.

edit: 2005 , Rover 75 CDTi
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Old 18th April 2019, 18:57   #14
roy 1953
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The stat was purchased from dmgrs, so I assume it is the correct one. Unfortunately I didn't check the coolant temp before fitting the the stat but the gauge has moved from 7 to 8 oclock so some improvement.
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Old 18th April 2019, 18:59   #15
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Quote:
Originally Posted by FLYING BANANA View Post
I got 16 mpg out of my V8 ZTT yesterday....................
Your not running it on 6 cylinders again are you Bob.
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Old 18th April 2019, 19:39   #16
mileshawk56
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My V6 ZT on Thursday last suddenly told me I was getting 33.9mpg (the pixels had just had a fit) r45 minutes later we were back to the real world? at 27.9mpg-bit like sex "nice while it lasted" Chris S.
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