Helmut Marko does not believe that Sergio Perez encountered the same technical issue that hampered his difficult free practice three Formula 1 session. Perez endured a difficult Saturday, which began with mechanical problems with his RB19 in FP3, which resulted in off-track moments in the session before qualifying. The Mexican's car underwent numerous changes ahead of qualifying, but the Saudi Arabian GP winner ran wide into the gravel trap on his first flying lap of qualifying, retiring from the session. Perez believed that he was still facing the same brake balance issues that occurred earlier in the day, but this…