That is quite normal although its worth checking that the throttle butterfly does open all the way and that the idle switch is correctly adjusted - throttle position is calculated from the point that the idle switch opens
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1984 Suzuki SJ413K pick up, 1.6 16V Baleno engine 2000 Suzuki Vitara 1.6 8V, many mods 2004 Suzuki Ignis 1.5VVT 4Grip 2006 Suzuki Jimny 1.3VVT JLX+ and many more.