APR and Revo flash did not work.whats the solution?

[rasild]

I did the APR 5-hour trial but did not notice anything when driving the car. i was switching from stock to 93 but no difference. After about 2 driving hours, i could not switch anymore, it is supposed to switch f0r 5 hours. then i did the Revo trial, same thing. i did not notice any difference. i believe that when the revo trial is over the car goes in limp mode. that never happen. about a year ago i replaced the ecu. the car would turn on but it would not accelerate so my mechanic said that the ecu needs to be replaced. he bought a new ecu and charged 1500 (which i think he ripped me off).
Now i really want a tune and i think there is something wrong with the ecu.Would a custom tune be the only way? Can i buy a used ecu and put it on and try to flash it again? Its an 02 1.8 with tiptronic. Pretty much stock with magnaflow catback.Any input is appreciated!Thanks

[Antekaudi]

There is something wrong with your car.

1) Perform boost leak test: http://www.a4mods.com/index.php?page...tml&category=5
2) Check your MAF
3) Check your n75 valve


Get VAG-COM and log your car.

Yes, your mechanic raped you pretty bad... no lube either :(

ECU swap is an easy diy.