Hey guys, my 98 obs auto just had the CEL come on for a knock sensor and evap/emissions code. I know that the knock sensor is a pretty simpe change, and could very easily fix that code (because the sensor housing is prone to cracks and corrosion) but could that cause the evap code? Any ideas about that one?
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Knock Sensor/Evap code trouble
Posted 06 March 2013 - 04:29 AM
Post the exact code if you have it and we can give better advice.
Posted 06 March 2013 - 09:09 AM
Often if it's not the cap or a dry rotten hjose it's the fuel filler tube.
Posted 06 March 2013 - 09:57 AM
yeah, from what I've read, could be rotted filler neck.
knock sensor may be cracked.
Still, could be worth clearing the codes to see which ones come back. I've had a bad battery set 'spurious' codes. But, on a '98 , those both easily could be legit.
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