Hi guys new to the forum and cars so looking for some help.
I got a k11 Micra (2001) in September off a family friend mechanic. I needed it urgently and after failing the NCT (Irish version of an MOT) on emissions the first time it passed the next day, I think he did a quick job in order to pass it.
Engine light has been on for about the past month, I checked it with a scanner and it gave the codes:
PO137 , PO171 , PO420 . Performance hasn't dropped since being on and I was told that these were just codes for emissions, presumably as the mechanic just did something to scrape it through the test.
I had the battery out recently while doing some work and the light stayed off for 250 miles before returning.
Can anyone confirm what the issue could be? As said I have very little knowledge.
Many thanks for any help.
I got a k11 Micra (2001) in September off a family friend mechanic. I needed it urgently and after failing the NCT (Irish version of an MOT) on emissions the first time it passed the next day, I think he did a quick job in order to pass it.
Engine light has been on for about the past month, I checked it with a scanner and it gave the codes:
PO137 , PO171 , PO420 . Performance hasn't dropped since being on and I was told that these were just codes for emissions, presumably as the mechanic just did something to scrape it through the test.
I had the battery out recently while doing some work and the light stayed off for 250 miles before returning.
Can anyone confirm what the issue could be? As said I have very little knowledge.
Many thanks for any help.
