Ever since i have had my 2001 v6 galant the eml has been on, i heard that now a car will fail the mot if it is illuminated so thought i had best sort it. I had the codes read and it suggested the tps and the front bank oxygen sensor in the exhaust manifold. I changed both of these and after reseting the eml light, it came back on gggrrr. I have spoke to a few people now who have said fault codes are often misleading and you can spend a lot of money changing sensors for nothing. So my question is, the only possible thing i have noticed wrong with the engine is a slight surge and deceleration when crawling along in 1st or 2nd sometimes, other wise the engine is very quiet and smooth. Any suggestions in order of probability as to what would cause that and if it's a sensor where it is, Cheers.