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Old 02-14-2011, 03:11 PM
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Limp Mode

I have an 08 with an sct livewire, dpf/cat delete, s&b intake and mbrp exhaust with 38000 miles. After around 300 miles it will go into a limp mode when you try to start it where it will barely run and blows white smoke. After a few tries it will start up and run normally and then be fine for another few hundred miles. I put it back to stock and took it to the dealer. After 3 days they couldn't find anything. It seems to me like it is a sensor. If anyone else has had similar problems please let me know. I am afraid it is going to let me down. thanks for any help
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Old 02-18-2011, 09:57 AM
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EGR valve is probably stuck mine did the same thing when i had SCT i got the dealer to fix it under warranty but then i just changed programmers and did a egr delete
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Old 02-24-2011, 05:35 PM
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could be the egr valve as mentioned. coolant level ok?
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Old 02-26-2011, 05:36 PM
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my 2008 with sct/dpf/cat delete and afe cai did something like that. it was a cracked dpf sensor that would put it into limp mode. replaced sensor and it has been fine
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Old 03-24-2011, 05:37 PM
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The first time when it quit, the coolant was a little bit low so i filled it to the cold fill level. I am thinking it is the egr valve as well. If I got the valve would I be able to replace it or will I have to take it to the dealership?
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Old 03-25-2011, 08:53 AM
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i would just do a block off if i was you. what probably happened is its plugged up because your truck does not run as clean as a stock one because of the sct. It will happen again I'm sure I would just go get be block off plates they are 35 bucks not really the right way to do it but that's what I'm working with right now and have had no problems with it.
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