9 to 10 is normal. ganun din sa akin from antipolo to fort with disaster traffic in the morning and evening.
i forgot to mention na medyo hilaw na gas amoy ng exhaust. idk if one of the sensors are damaged or madumi lang. i just dont know kung sino aside from the OP casas ang makakacheck with something sa computer/electronic components.
Puwede i try, 1. Palit air filter 2. Linis throttle body 3. Linis MAF sensor 4. Check spark...
high idle RPM at engine start