code question?
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Join Date: Dec 2006
Location: Rossland, British Columbia
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Do you have any mods done to the truck? P0237 i believe is Map sensor voltage too low. Go to the cummins dealership (not dodge), pick one up and replace it, i think they're around $60. If that doesn't work you need to dig deeper, check fuel pressure, check and see if the wastegate is stuck open a bit etc...
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