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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Failed Smog Check IN TN - HELP
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<blockquote data-quote="JimIII@JDM" data-source="post: 797378" data-attributes="member: 736"><p>The rear cat monitors must be turned off in your tune. Is your exhaust stock or do you have aftermarket catalytic converters, better yet are the cats removed?</p><p></p><p>Once you either get the monitors turned on in your tune or return back to the stock tune you will still need to go through a drive cycle to reset your monitors.</p><p></p><p>If you have high flow cats or no cats there is a good chance you will get a check engine code once you return the tune back to stock or turn the cat monitors on. The codes you would see are P0420 and P0430. These are catalyst inefficiency codes, basically telling you the cats are no longer working to factory standard. Well if you have deleted the cats or have high flow cats which allow for more air flow this will be your scenario. To prevent you from getting a check engine code we commonly use a set of 02 Non foulers to bypass this issue. The Non foulers pull the sensor out of the exhaust pipe some and shield the sensor from direct air flow. This keeps the catalyst readings in check and prevents any check engine code, while still allowing you to get your monitors ready. Then you can pass anytime after that!</p><p></p><p>Aren't State Inspections Great!?!</p></blockquote><p></p>
[QUOTE="JimIII@JDM, post: 797378, member: 736"] The rear cat monitors must be turned off in your tune. Is your exhaust stock or do you have aftermarket catalytic converters, better yet are the cats removed? Once you either get the monitors turned on in your tune or return back to the stock tune you will still need to go through a drive cycle to reset your monitors. If you have high flow cats or no cats there is a good chance you will get a check engine code once you return the tune back to stock or turn the cat monitors on. The codes you would see are P0420 and P0430. These are catalyst inefficiency codes, basically telling you the cats are no longer working to factory standard. Well if you have deleted the cats or have high flow cats which allow for more air flow this will be your scenario. To prevent you from getting a check engine code we commonly use a set of 02 Non foulers to bypass this issue. The Non foulers pull the sensor out of the exhaust pipe some and shield the sensor from direct air flow. This keeps the catalyst readings in check and prevents any check engine code, while still allowing you to get your monitors ready. Then you can pass anytime after that! Aren't State Inspections Great!?! [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Failed Smog Check IN TN - HELP
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