us3r123 Posted May 25, 2011 Share Posted May 25, 2011 Hello, I have a 2005 Subaru Legacy NA and the CEL is coming on due to PO420. I have searched the boards and see that it is likely a sensor but don't have time to get to that before we head out of town on a road trip. That being said, we are leaving on a road trip and I would rather have the cruise working to keep my heavy foot from getting me a ticket. So, is there a way to override disabled cruise control with the CEL on? Many thanks! Quote Link to comment Share on other sites More sharing options...
bheinen74 Posted May 25, 2011 Share Posted May 25, 2011 where are your location? go to parts store, they will clear the code for free after they read it. Quote Link to comment Share on other sites More sharing options...
us3r123 Posted May 25, 2011 Author Share Posted May 25, 2011 I've cleared the code, it comes back on in 20 miles or so... Not a good option on a 900 mi trip. Quote Link to comment Share on other sites More sharing options...
bheinen74 Posted May 25, 2011 Share Posted May 25, 2011 i would buy a code reader and just keep clearing the code when it comes back. Quote Link to comment Share on other sites More sharing options...
us3r123 Posted May 25, 2011 Author Share Posted May 25, 2011 I respect your opinion, but I am wondering if there is a way to override the cruise control override. Can somebody answer that question? Quote Link to comment Share on other sites More sharing options...
bstone Posted May 25, 2011 Share Posted May 25, 2011 I do not think it's possible. The ECU isn't that interactive. Sorry. Quote Link to comment Share on other sites More sharing options...
nipper Posted May 25, 2011 Share Posted May 25, 2011 Fos all the time you are putting into this, why not just replace the bad O2 sensor, and no you can not over ride it. It si TRYING to catch your attention and protect the cat and keep emissions good Replace the O2 sensor 1 Quote Link to comment Share on other sites More sharing options...
bstone Posted May 25, 2011 Share Posted May 25, 2011 Fos all the time you are putting into this, why not just replace the bad O2 sensor, and no you can not over ride it. It si TRYING to catch your attention and protect the cat and keep emissions good Replace the O2 sensor I echo this. Your gas mileage is going to *seriously* suffer. If you are going on a road trip you certainly want to have the exhaust system in fine working order. Go to a dealer and get an OE sensor then find someone to replace it for you for a lot less than the dealer. Quote Link to comment Share on other sites More sharing options...
johnceggleston Posted May 25, 2011 Share Posted May 25, 2011 i didn't even know that a p0420 CEL would override the cruise function. is this for real? Quote Link to comment Share on other sites More sharing options...
bheinen74 Posted May 25, 2011 Share Posted May 25, 2011 i didn't even know that a p0420 CEL would override the cruise function. is this for real? yes, any CEL stored on the 2005+ disables cruise. Its a safety function when you think about it. Soon, they wlll make thinkgs when the CEL comes on, it disables radio, blue tooth, wireless etc, so you are forced to being the car in for service. 1 Quote Link to comment Share on other sites More sharing options...
Ricearu Posted May 25, 2011 Share Posted May 25, 2011 Soon, they wlll make thinkgs when the CEL comes on, it disables radio, blue tooth, wireless etc, so you are forced to being the car in for service. I won't buy that. for damn sure. They can keep it. Quote Link to comment Share on other sites More sharing options...
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