Rep Power: 0

Hi there - hope someone here can help.

My 2005 civic lx 4 door 5 spd is acting up. I just did an alternator and some brake line replacement after the car sat for a year. now the check engine light came on and now the car feels like I hit a redline and the rev limiter kicks in at 3500 rpm. It will do this in all gears.

If I keep the rpm below 3500 it runs really nicely.

I jumped the diagnostic connector and I get 8 short flashes and then 9 long ones. I guess that's either code 8 and code 9 or code 89.

Can anyone tell me what the codes mean?

Thanks for your help.

HB

 
Rep Power: 125

You’re in limp mode. Use an OBD2 scanner. That’ll give you your code(s).

 
Rep Power: 222

Use a real scanner, they're like $20.
then post the code numbers.
Did you change any sensors recently?

 
Rep Power: 367

you can either stop at a car part store and they read for free, or get a scanner dongle in amazon that connects to your phone, use torque app

 
Rep Power: 224

Did you get the all the alternator bolts tight? It is very common for people to miss the one on the bottom causing a poor ground for the alternator.