Battery Disconnect
#1
04-21-2015 | 04:24 AM
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1st Gear
Joined: Apr 2015
Posts: 2
Battery Disconnect
Hi,
I have an Audi A3 2.0 TDI 2004
Will disconnecting the battery remove any remaps on the ECU or will these be ok?
Also will this cause it to run a bit rich on petrol (lowering my mpg) until it 're-learns'?
Thanks
I have an Audi A3 2.0 TDI 2004
Will disconnecting the battery remove any remaps on the ECU or will these be ok?
Also will this cause it to run a bit rich on petrol (lowering my mpg) until it 're-learns'?
Thanks
Last edited by YorkshireAudiA3; 04-21-2015 at 04:35 AM.
#2
05-20-2015 | 09:18 PM
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Joined: Jul 2006
Posts: 11,670
From: Binghamton, NY
If the car is "chipped" that reflash is hard-coded and will stay. The computer will go into relearn mode and will be figuring itself out, so for a short time it may not drive perfectly until it relearns everything.
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