Engine tune-up

[kbg4]

Hi,

I have a 2002 corolla with 100K miles. I'm guessing it's time for an engine tune-up. What is actually replaced with an engine tune-up?

Thanks

[Corolla101]

Spark Plugs, Spark plug wires, Distributor cap & rotor, Fuel filter, PCV valve, Crankcase filter, i also did thermostat but i dunno if that falls under engine tuneup

[SR5_4WD]

PCV valve? Crankcase filter? Are those just extra things you did, or did you get a shop to do it? And is it really needed?

[Nad1370]

Spark plugs--factory Iridium's
Spark plug wires --- No dist cap and rotors. Your car doesn't have them.
If you want to replace the fuel filter. Good luck. It's part of the fuel pump assembly in the tank. Personally...I'd leave it alone.
PCV
Air filter
I'd also clean the injectors and throttle body.

[touringcamry]

If you haven't done a transmission fluid flush or change, or coolant flush recently, you should do that now. Change the differential fluid also.

[Corolla101]

PCV valve? Crankcase filter? Are those just extra things you did, or did you get a shop to do it? And is it really needed?

I did them myself, PCV is just for emissions and it really doesn't do anything...
Crankcase filter I dunno what it does