Esiest thing is to tghten all ur piping's rubber. If cannot, dismantle ur intercooler and suppress into water to check for bubbles. if alot comes out then throw away & go buy a trust intercooler (Joking).. Easiest way is to bring it to an experienced mech of radiator sifus..
Dear all sifu, I uninstall my HU today after that I noted my cigar port malfunction dy. Ther's only small light bulb is turn'g on while I switch on the car light. What wire and how many wire is suppose connecting to...