most likely you have an os going bad which is in this case the down steam or after cat one. if it does not use this one it must have seen the heater circuit go down. you can reset it but it will come back i don't know how long it will take but it will. the p0633 i can look up for you, but the paper i got with s1 said it would have a code. i don't know the number but it was something with the vin # i think.
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\'03 pt gt s1 mopar bov auto patriot blue
1925 modle t pulling truck w/864hp 673ft/lb 2002 harley, 1998 zrt 600 cat
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