I have cupra 290/2016 and I live in the Gulf area which is very hot and my car running normally on high boost up to 23 psi at peak ,as per my logs , water temp and oil temp are still normal, my mods are
JB4
Cold air intake system
Catless downpipp
RS7 spark plugs
RS3 ignition Coils
Turbo...
Are you sure it's the engine light not traction control light?!
Regarding the gear shifting , is it on hot weather happening or at any weather conditions? Gear megatronic may cause this issue I guess
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