Common 6.7 problems

GranpawsRig

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Joined
May 26, 2009
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Among problems with codes and turbos going out, what other issues have plagued the 6.7? Ive got a 2008 1ton mega and after 11k miles have only had the SES light come on with an erg temp sensor error. Once cleared it never came back. On a different note the cooling system in these trucks seem to boggle me slightly. I recently put a set of 285/70R17's on and my temp crusing at highway speeds stays betweent cold and 12'o clock but when low speed driving the cooling system does not seem as efficient and when climbing grades will sit at 12 and even a little to the right. None of my other diesel/gas vehicles have had this large of a fluxuation in engine temp. Current mods include an AEM HD intake and banks DPF back (which i was told was a wast of money for performance).
 
Does it ever run hot? Are you running the AC during these events?
 
Sounds like your trans needs an adjustment. I bet you're pulling really low RPM.
 
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