Dealerships don't like piggybacks. Even mine, which like all my other mods. (header, test pipe, intake, springs, etc..) Try to make it look back to stock 100% if you can. I don't know if the Evo ECU extender thing works for the ralliart, but it does for regular lancers. That way you don't have to cut the stock wiring, and it leaves no trace of a piggyback installed in your car. Here's the link for it. Maybe its something you should look into to see if it fits.
http://www.machevo.com/ecupaha.html
BTW, if you search around you can find that same one for as low as $90. Its safer than cutting you factory wiring and accidently messing something up. It makes for good quick-removals of the piggyback or SAFC for warranty work at the dealership.

 

i didnt realize you had a piggy.. it sounds lke thats your prob for sure..


either a lose connection or improper setup..

1. Check EVERY connection (lose wires will move when cornering)
2. Check ALL connections again
3. Reconfigure your piggy


If your gonna take it in to the dealership, put your old ecu back in
either that.. or get your kneepads on and pucker those lips

 

my guess is that your wiretaps came lose.. check the wires on the piggy back before you do anything else.. it might just be a simple loose connection

-joe

 

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With the physical problem (noise from the passenger side) and throttle problem, couldn't this be a stuck throttle wire??? Just thinking out loud here...

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Maybe its your transmission there might be a sensor on it. How many miles does it have.

 

buy a honda