lambda sensor can anyone help

[moody2k]

my bank one lamber sensor is faulty , i have had my car remapped and was wondering do i need to get the same one or if i need a different one as its been mapped

seat leon cupra revo mapped with dynatwist

thanks for ne help i get

moody

 

[mark1231]

what is the fault code

 

[moody2k]

not sure bout the code will get off my mate tomorrow but says its to lean

 

[mark1231]

could be air leak get code and we will see what to do ok

 

[moody2k]

yeh cheers mate much appreciated

 

[mark1231]

send engine code as well ok

 

[GlanzaV]

search "Lambda" sensor.

 

[moody2k]

my mate wernt at work today so got to wait till monday now

 

[Shaunyboy]

Bank 1 isnt the sensor, it should say Bank 1 sensor 1 or 2. 1 is pre cat and 2 is post cat. Also doesnt mean it needs changing all the time it could be a number of things, needs diagnosing properly before spending cash here and there on sensors.

 

[moody2k]

rite went saw my mate who put it on the vag com and this is wat it said
engine code: AUQ
Fault code: P0171 mixture to lean (bank 1)
if neone culd shed any lite on wot it culd b wuld b grateful have looked for ne damaged pipes but cnt see nethin tht looks dodgey.
thanks for any help