Volkswagen 1.4 Engine Misfire Issue Solved// POLO, GOLF, FABIA, IBIZA. 

Have these 1.4 9n polo's got two o2 sensors or just the one?

dear sir, how many fan your car's radiator have ? mine 1.4 9n year 2005 polo engine code BBY have one only

With misfire swop items to different cylinder, coil or plug and injector. Sometimes check o2 sensors.

D' lokos sinceramente el manejo de la lengua sajona.

Hi guys got the bca engine sucking air from oil filler cap and misfire valve noise on driving i change the pcv and still same cna some one help pls

Did all that ended up being a bad injector that's it was got second hand unit 40 pound for four easy job easier than changing the plugs just 2 screws and pull

ig del minito?

valves badddd

420.000 my octavia...........no problems..........only egr valve at 380.000..