Shifted into 1st instead of 3rd. Car won t Rev above 3500 rpm?

Let my friend shift while I was driving my 02 honda accord. While pushing 6000 in 2nd gear he forced 1st instead of 3rd. Check engine light came on immediately and now the car won Rev above 3500 rpm. Doesn t matter what gear I m in, even neutral, Won t go past 3500. What should I do?

Read more: Shifted into 1st instead of 3rd. Car won t Rev above 3500 rpm?