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Old 02-09-2013, 11:46 AM   #1
Symon
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Engine Warning Light

Hi guys and gals,
The engine warning light on my 2002 focus 1.4 came on 3 weeks ago. My local garage said the error code was a blowing catalytic converter. He switched the warning light off and said to take the car away and see if it comes back on again. It was alright for 2 weeks and then i got a quick smell of sulphur and the engine light came on again. Any ideas please? I recently had the front exhaust pipe replaced. could this have anything to do with the problem?


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Old 02-09-2013, 08:06 PM   #2
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Quote:
Originally Posted by Symon View Post
Hi guys and gals,
My local garage said the error code was a blowing catalytic converter.
The exact dagnostic code retrived would help. It's in the form PXXXX where XXXX are numbers, such as P0420.

Maybe you/he meant "glowing catalytic converter"? Seems like something got lost in the translation. Sometimes converters glow red hot if they are plugged. They become plugged usually because the catalyst substrate cracks and collapses and exhaust flow becomes blocked.
I'm not sure where the catalyst is on the 1.4 engine but any exhaust work has the potential to damage the cat if the cat is dropped when the exhaust downpipe is removed.
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Old 02-10-2013, 08:42 AM   #3
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Could just need replacing they don't always last forever just like your tailpipe...
Edit: exhaust pipe whatever you get the point...
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Old 02-10-2013, 10:52 AM   #4
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The sulfur smell does sound like a catalytic converter problem. Usually you get that just after accelerating. It also seems like you have an exhaust leak in the cabin. Usually when a converter makes that sort of smell- it goes out the tail pipe and you don't smell it in the cabin unless the wind was blowing on you from the rear that day and you were traveling slowly.

Catalytic converters do not last forever. One method of seeing if one is clogged up is to drive a short distance, and then look under the car at the converter. If it is glowing bright red hot- then the converter is clogged up, or the exhaust is clogged up. This will typically result in the engine running rough and slow without power. It is normal for a converter to be glowing dull red at night after driving. The distance of driving is important with this diagnosis. If it glows bright red on a short drive- that's a problem. If it glows bright red after a long drive, then that's a sign of a potential future problems.
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Old 02-10-2013, 10:58 AM   #5
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The sulfur smell does sound like a catalytic converter problem. Usually you get that just after accelerating. It also seems like you have an exhaust leak in the cabin. Usually when a converter makes that sort of smell- it goes out the tail pipe and you don't smell it in the cabin unless the wind was blowing on you from the rear that day and you were traveling slowly.

Catalytic converters do not last forever. One method of seeing if one is clogged up is to drive a short distance, and then look under the car at the converter. If it is glowing bright red hot- then the converter is clogged up, or the exhaust is clogged up. This will typically result in the engine running rough and slow without power. It is normal for a converter to be glowing dull red at night after driving. The distance of driving is important with this diagnosis. If it glows bright red on a short drive- that's a problem. If it glows bright red after a long drive, then that's a sign of a potential future problems.
lol driving slowly haha i like that one youd have to be crawling my god...id say you have an exhaust leak up front somewhere maybe where the new pipe meets your previously existing exhaust...maybe a new gasket might be in order.

honestly regardless your looking at a new cat converter
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Old 02-12-2013, 11:24 AM   #6
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Thanks for your feedback its really appreciated :-)
Took it back to the garage and it turned out to be a breather pipe problem.
Breather pipe replaced and no engine light for two days so hopefully problem sorted.
:-)
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