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Old 05-10-2012, 03:57 PM   #11 (permalink)
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Dusty - '98 VOLKSWAGEN Beetle TDI
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Originally Posted by jeongyun View Post
OBD cars won't let you adjust idle RPM unless you reprogram ECU.
I thought you needed to reprogram the ecu when ever you made any changes to the cars settings.
In other words reprogramming the ecu is the only way to adjust anything on your car
( except mechanical devices) or are saying you will need to chip it/ put on a whole completely new ecu program?

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