My Catalytic Converter and our buddy, the P0422 Code
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Joined: May 2014
Posts: 2
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From: The Netherlands
I notice that most cat problems are ones with turbos, turbo seals leak oil causing the car to consume oil and as it gets into the exhaust it clogs up your cat. The burning oil causes carbon build up. So if your car is consuming oil and you see no leaks and get a p0422 code ...theres your problem.
But, how long of a period of carbon build-up are we talking about here? Because my T5 has been an oil-consumer since I own it. I just checked and added oil when necessary ... It's not much, and I never found a leak, so ...
Last week I replaced the spark plugs; two were pretty consistent in 'not wanting to come out'. The worst one took me about 50 minutes of fiddling and that one was also soaking with oil ...
So I cleaned the holes as good as possible, new plugs went in easily.
Result is that the engine runs a tad more fuel efficient, but this monday, suddenly that little orange light came on. And has been lighting up since ...
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J Dubb
Volvo 240, 740 & 940
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Oct 31, 2013 06:02 AM
