CATALYTIC CONVERTER ISSUE
2000 Hyundai Coupe • 86,000 miles
Hi, I wonder if you can help me. I have got a Hyundai Coupe 2l Evo Xreg (2000) which has done about 86000 miles. A couple of years ago I had to have a new catalytic converter fitted in order to sort out an emmissions problem, which cost a lot of money with a local mechanic. It failed its MOT last year due to the emmissions so the mechanic tweaked it and it finally passed. On Friday last week my car failed its MOT again on an emmissions problem and the mechanic is now telling me that it could be the cat again and I might need another new one. I don't do very many miles, and they tend to only be short journeys. My query is whether a cat should have lasted longer than two years or if the mechanic could have fitted it incorrectly or whether the fact that I do short journey could have affected it. The mechanic is taking the car tomorrow to have a closer look so if I could be armed with some information that would be great! Thanks so much for any help you can offer. Kind Regards, Karen
February 9, 2012.
February 9, 2012.
Cats don't just die, they are killed by engines that are running bad. If you continue to drive a car with the engine not running correctly, it will eventually take out the cat. It's also possible that they are misdiagnosing the problem. The computer is programmed to recognize an inefficient cat and set a specific code indication that, usually a PO420 or PO430.
Feb 9, 2012.
Feb 9, 2012.
Hi, thank you both so much for leaving messages, I really appreciate it. The failed MOT notice says the following two points about the emissions. 1) Exhaust emissions carbon monoxide content at idle excessive (7.3.D.4) 2) Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.4). Does that mean anything to you? Many thanks again, Karen
High CO indicates a too rich mixture-Possible problem with the coolant temperature sensor and oxygen sensor
Wow, that was a speedy response! Thank you! Do you have any idea if these will be expensive repairs?
It varies with locality-best shop around for the less amount-could be the catalytic converter for a P0420 as mentioned by Wrench or an air injection system problem-
Thank you Rasmataz, the mechanic will be having a look tomorrow so fingers crossed it's nothing too major! Thanks again for your time and your info, appreciate it!
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