Issues after egr delete

After egr delete my running temps r not going over or barley 70. Thrash it up a hill in gets to 90 but cruising brings it below 70.
on filling tank mileage b4 always crept up. Yesterday was 1st fill up,£60 showed 460,after driving 20 miles usually the gauge creeps up,so from 460 and 20 miles later its down to 380!

heater seems ok. 25deg seems warm and hi seems hotish.
fuel gauge seems on par with display, running to quick?

any ideas, someone suggested small hole in blank, at this rate think il convert back to normal.
does seen more responsive and smoother though since blank.
???????????????

Failed thermostat, nothing to do with the EGR delete.

....If only I was as smart as this bloody phone

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Originally Posted by kite

Failed thermostat, nothing to do with the EGR delete.

....If only I was as smart as this bloody phone

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Ok,this is an easy cheap fix I believe?
thought the egr helped warm up the engine,takes forever to get to 70,like 15-20 mins at cruising.

so a new thermo will sort out all the above? Rough price n time please gents?

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Originally Posted by deano1978

Ok,this is an easy cheap fix I believe?

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If it's anything like the 1.8T It is £80 for the stat and housing, and is quite involved to fix, not something recommended to a novice mechanic. (not saying you're a novice :) )

What engine do you have ? If it's a 1.9 Tdi then it's easy, if a v6 then it's behind the cambelt- sadly not a easy job to do !

Actually the action of EGR is to lower combustion chamber temperatures to reduce the levels of NOX emissions.

Ok so I've drilled a hole in my blank plate as som1 suggested this will remove the light.
no joy?
even if I go back to normal, do I still need fault cleared?

if it ain't broke don't fix it!!!

You will have to clear the code.

Ok,thanks for that.

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Originally Posted by Crasher

You will have to clear the code.

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no joy?
Went garage,cleared code,5miles later back on?
Shld the vacuum be connected back up too?