loosing alot of horse power reaching almost 100,000 miles is it time for a big tune up???? im taking it in for service what should i do to get my power back???and
how much do you think ill spend...

 

Losing power might not need a tune up- but u might need an idle control valve. It's the air flow control and sometimes it seems like you're losing power . The IAC VALVE is $77 + tas at O'rielly auto parts I just got one ... it'll take you 30-45 min to install.. and it's easy...

 

time for new plugs, check your air filter, switch to synthetic oil(just because it is better and it will help), run some gumout regane fuel system cleaner and clean your TB and IM with some seafoam and your car will respond better.

 

i got the same fuck*** problem......my boys tl (same 99 tl, stock other than a k&n filter) got 100, *** and my has 90, 210 and his car feels way more powerful than mine......i think it is because he got the timing belt, water pump, and all the belts brand new......i gotta fix my shit!