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View Full Version : polo 1.0l to 1.4l



otojm
23rd October, 2014, 11:05 AM
hi m'8 polo 1.0l year99, with engine AER,ECU 0261203932.
the custemer change the engine with a new one but different:1.4l code APQ.
so there's a trouble in adaptation of ratio air-fuel & in the idling !
for repare i want to upgrade the ECU from 1.0l to 1.4l
so please can someone give me a step to do it? regards

otojm
26th October, 2014, 05:11 PM
no any help ?

bondiblu
26th October, 2014, 05:53 PM
Is it not easier to change the ECU also to match the engine?

Vasily.U
27th October, 2014, 10:45 AM
You can try use one of this file 87C512 or change ECU
283464

smt
27th October, 2014, 10:58 AM
yes you can do it by injecting 1.4 ecu file but you will lose diagnostic

otojm
27th October, 2014, 11:01 AM
thank you bro,this is what i need,because i don't find a used ecu in my region.regards