Beaconjon Posted October 30, 2017 Share Posted October 30, 2017 Morning all, So I'm a new (used) A4 Avant owner (B8). Loving the new levels of comfort and build quality compared to my old 8th gen Civic. Ok the MPG isn't as advertised but hey, I was kind of expecting that. So just one query really, just how thermally efficient are these 2.0L tdi units (143bhp)? Mine warms up pretty well on my 30 minute commute (1.5 degrees this morning!) but didn't quite make it to 90 on the gauge. It drops when stationary and on a couple of descents on the dual carriageway, but climbs when cruising at 60mph as expected. Could I have a flakey thermostat? Cheers all, Jon Quote Link to comment Share on other sites More sharing options...
Trevor Posted October 30, 2017 Share Posted October 30, 2017 Hi Jonathan....welcome to the Forum Good to have you onboard I would check the wiring to the plug on the coolant sensor as this tends to be responsible for a vague temp gauge Cheers, Trevor Quote Link to comment Share on other sites More sharing options...
Steve Q Posted October 30, 2017 Share Posted October 30, 2017 Welcome to the forum Jon :) You'll find the members on here are a friendly and helpful bunch :) Cheers Steve Quote Link to comment Share on other sites More sharing options...
WPAWS Posted October 30, 2017 Share Posted October 30, 2017 Welcome to the forums Nice friendly atmosphere here with plenty of Audi owners to help where they can Paul Quote Link to comment Share on other sites More sharing options...
Beaconjon Posted October 30, 2017 Author Share Posted October 30, 2017 3 hours ago, Trevor said: Hi Jonathan....welcome to the Forum Good to have you onboard I would check the wiring to the plug on the coolant sensor as this tends to be responsible for a vague temp gauge Cheers, Trevor Where abouts can I find this sensor Trevor? Thanks Quote Link to comment Share on other sites More sharing options...
Beaconjon Posted October 30, 2017 Author Share Posted October 30, 2017 Also is this purely a sensor for the gauge or does the engine utilise this reading too for engine management? Quote Link to comment Share on other sites More sharing options...
Trevor Posted October 30, 2017 Share Posted October 30, 2017 from memory it does both Quote Link to comment Share on other sites More sharing options...
Trevor Posted October 30, 2017 Share Posted October 30, 2017 should be on top of the thermostat area/cylinder head area (sure its above the starter motor or oil filter housing) will have a two or three wire connection going to it Quote Link to comment Share on other sites More sharing options...
Beaconjon Posted October 30, 2017 Author Share Posted October 30, 2017 Thanks Trevor. I'll have a look and check the connections. To be fair, it's in very good order under the bonnet. 1 Quote Link to comment Share on other sites More sharing options...
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