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Discussion Starter · #1 ·
The truck has recently popped up 4 codes . P0071 , P0111 , P0191 , and P0514 . I realize 3 of these codes are for temperature sensor performance / rationality , for ambient air , intake air , and battery . The fourth (0191) is for low rail pressure . My question is , are these electrically related ? Meaning one other part on the fritz , and can I fix this myself , or is this a stealership issue ? Thanks in advance for any and all opinions :thumbsup: Brian
 

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Discussion Starter · #2 ·
Really ?? No one has any insight to this .
 

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Discussion Starter · #3 ·
Fixed it , with a little tech help from a knowledgeable source . Always expecting the worse case scenario , it turns out I was about 5 qts. Low of antifreeze . I guess just enough to cause some issues , sensor-wise . All better now . Got to love those $20 fixes . It took care of all the codes , and the heater issue . Dodged another one :thumbsup: Now to locate the very slow leak which started all this .
 
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