2003 Honda Accord Q&A

2003 Honda Accord Question: RPM goes over 2.5 @ 120 KM/hr, is it normal?

I changed gear oil by (honda oil ) and also changed the oil filter. I notice RPM goes over 2.5 @ 120 KM/hr, reach to 3 and stick there , without any increament motor sound. is it normal??? thank you -
Answer 1
scan for codes and post so we can adv -
Answer 2
Gear oil? Manual trans? -
Comment 1
Gear oil ( transmission oil) it is automatic gearbox (automatic transmission) -