misfiring car

[lary]

when my boxter 2002 started misfiring i got the fuel and Air filter changed but it still is misfiring

what did i overlook

[osamad]

Misfiring first doubt goes to spark plug and second is O2 sensor.

Air filter change was totally irrelevant and fuel filter change is last doubt.

[techy]

Funny that the 02 bosch sensor is so expensive for such a small part.

You can generally give it a clean with some WD40 it may work as a cheap repair.

But u can replace it if you buy a new one, Can be a DIY if you know what your doing.

Check a mechanic if you dont.

[lary]

Many thanks Osama for heads up on O2 sensor

and many thanks to techy for telling how to clean it.

My car works like a charm now. Btw i have used the car cleaner instead of WD40, makes more effective (friend advised).

You guys rock. Love u all and love this forum to save my big bucks over small peanut part (lololololol).