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CHEVROLET ONIX RS TURBO, with check engine problems on and displaying error code p0171 which refers to the fact that the oxygen sensor has found a lean fuel mixture resulting from combustion, this may be due to there being too little fuel or excess air at the time of combustion, in this case we proceed to check with the smoke machine tool to detect vacuum leaks or turbo pressure losses in the system, since in the electronic tests it showed us that when accelerating the car a little the fuel adjustments tended to improve, indicating to us that there is very possibly an air entry into the system, which gave us the result that it had the entry through the crankshaft retainer, we changed the crankshaft retainer and the problem was completely corrected ???????? #chevrolet #autos #cars #learn #onixturbo #onixrs #automotive #fullcars #automotivemechanics #p0171 #turbo #tunning #racing #palmas #trepandopalmas #medellin #usedmedellin #usedcolombia