MIL light on 1999 Yaris - help please

[buffysmum]

Hello all, we bought a '99 Yaris four days ago which has on 38K miles on the clock. Has only partial service history but had it's proper 30K service in 2005. Anyway, we changed the oil at the weekend and also the air filter. Haven't changed the oil filter yet as we can't get it off.. We noticed today that the MIL light has come on. Can anyone suggest what might have caused this at all? thanks!

[oldredcelicabryan]

Get onto Ebay and buy a Code reader, U380 for about £25. This will let you read the fault codes.

[linzisidwell]

Thanks so much for this - will indeed give it a go!