EPC Light

[W3SS93]

Hi guys im new to the Club

i have VW polo 1.4 6R 2010 model, recently while i was driving the EPC light came on, so took it for a diagnostic test and figured it was miss firing on 2nd piston so we checked and the spark plug was burned so replaced all 4 spark plugs, and drove fine till the end of the day and then the next day on my way to work the EPC light came back on and put the car into limp mode again, any suggestions as to what else could be the problem?

[THANAS]

Which error codes popped up on the diagnostic scan?

[panic-mechanic]

Epc can be triggered by lots of errors. Without a scan it is imposible to know.
If you scan it with vagcom look for the error that has in brackets (mil on) that is the one that triggered the light.

[dubz-on-drugz]

Hi guys im new to the Club

i have VW polo 1.4 6R 2010 model, recently while i was driving the EPC light came on, so took it for a diagnostic test and figured it was miss firing on 2nd piston so we checked and the spark plug was burned so replaced all 4 spark plugs, and drove fine till the end of the day and then the next day on my way to work the EPC light came back on and put the car into limp mode again, any suggestions as to what else could be the problem?

As panic said . It's really hard to troubleshoot when everything or 1 thing could be an issue. With a scan we can narrow it down . I had the epc light come on my 6r and it was losing compression on 3rd cyl.

Sent from my SM-G920F using Tapatalk