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Code read ! now what does it mean in real life, HELP
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Bobtail2
 


Member Since: 24 Aug 2018
Location: East Essex
Posts: 11

England 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Santorini BlackDiscovery 4
Code read ! now what does it mean in real life, HELP

Discovery 4 SDV6 2016
P20EE FAULT
The car has only done 26000 miles and had an Ad blue issue two months ago.

I had an amber engine warning light showing, the obd tool said it is was P20EE SCR NOx Catalyst Efficiency Below Threshold Bank 1

I have been playing with the obd tool and to be honest I don't understand the results I have been getting.

Exhaust gas temp....Bank...Sensor...…………..volt...…………...C
………………………………..1...…….1...……………………..4.99...………….105
………………………………..1...…….2...……………………..0...……………….0
………………………………..1...…….3...……………………..4.29...………...80
………………………………..2...…...1...……………………..0...……………...0
………………………………..2...…….2...……………………..4.21...………...90

Test was done on tick over before the car was driven.
Q. Does this mean bank 1 sensor 2 and bank 2 sensor 1 is not working.
Q. Do these sensors exist ?
Q. Which sensor is which I can see one on the N/S down pipe with 4 wires blue connector and one with 6 wires going to a Bosch unit. Plus two temperature sensors.

Before someone says test the sensors, how is that done with a basic multi meter, please

Any help advice please ( keep it simple )





  
Post #217009826th Aug 2020 11:54 am
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pincher
 


Member Since: 25 Mar 2016
Location: market harborough
Posts: 13

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4
EGT Sensors


did you receive a resolution to this problem as you can see i ahe the a similar problem with the exhaust temp sensors
  
Post #218619211th Nov 2020 3:07 pm
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Bobtail2
 


Member Since: 24 Aug 2018
Location: East Essex
Posts: 11

England 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Santorini BlackDiscovery 4

I could not solve the problem, did not get any answers as such.
Sold the car !
  
Post #218622611th Nov 2020 4:47 pm
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pincher
 


Member Since: 25 Mar 2016
Location: market harborough
Posts: 13

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

Thanks.

I have tested the electrics which are okay, but to remove the sensors looks like it’s a body off? Or I keep cancelling the fault
  
Post #218623711th Nov 2020 5:23 pm
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