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CEL light

Engine/Gearbox questions and discussion
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mart609
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CEL light

Post by mart609 » Fri Jan 04, 2013 1:54 pm

Getting a CEL light after about 5mins of driving. Happened the last 3-4 times I've drove the lude so just did the paperclip test and got the codes. It's throwing up 2 codes
1 and 12

Code 1
1 Heated Oxygen Sensor (HO2S)

Code 12
and 12 Exhaust Gas Recirculation (EGR VALVE LIFT SENSOR)

I had code 12 earlier in the year and cleaned my EGR so I'm thinking maybe I forgot to clear the codes and thats still the old code stored.

So code 1

what is it? where is it? and how do I fix it ? :D
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Post by indigolemon » Fri Jan 04, 2013 1:55 pm

Lambda sensor dude 8-)
'On two occasions I have been asked, 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question.' - Charles Babbage
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Post by Gayno » Fri Jan 04, 2013 1:59 pm

What the man said!

Think it's just in front of the cat?
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Post by indigolemon » Fri Jan 04, 2013 2:02 pm

Should be just before the flexi on the downpipe.
'On two occasions I have been asked, 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question.' - Charles Babbage
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Post by Merlin » Fri Jan 04, 2013 2:05 pm

If your not sure if the EGR is an old code I would clear the stored codes and go for another drive and wait untill the CEL appears again.
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Post by Pushki » Fri Jan 04, 2013 2:24 pm

I ordered an OEM lambda sensor for my BB4 from RockAuto in the US (NTK/NGK part # 24169).
It cost approx' £60 and was delivered within a week if I remember correctly. ;)

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Post by mart609 » Fri Jan 04, 2013 2:26 pm

I had a new O2 sensor fitted at PAW in June :/

How do I clear the codes? disconnect the battery for 10 mins?
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Post by indigolemon » Fri Jan 04, 2013 2:31 pm

Or pull the 10amp fuse in the top row of the under bonnet fusebox for 10 mins. It should be cleared in about 30 seconds, but I usually leave it longer to be safe.
'On two occasions I have been asked, 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question.' - Charles Babbage
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Post by Merlin » Fri Jan 04, 2013 2:32 pm

mart609 wrote:How do I clear the codes? disconnect the battery for 10 mins?
10-20 seconds. You can pull the clock/radio fuse instead (inside the engine bay fuse box, top row, 10A fuse).

Edit - http://www.ludegeneration.co.uk/honda-p ... t5034.html
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Post by ADS1 » Fri Jan 04, 2013 3:11 pm

Might be a good idea to check wiring to the o2 sensor. Could be just a faulty connection
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