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Diesel Lunatic
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204 Posts
Discussion Starter · #1 ·
I have a 2007 2500 with the 6.7L TD. My check engine light came on the other day and then went out. This has happened a couple of times. I plugged in my scanner and got a code that read P0489. In English it translates into EGR cicuit Low. What does this mean as opposed to EGR circuit High. Could crappy diesel fuel cause this code to pop. Do I need to go to the dealer, HELP
 

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4 Posts
I have a 2008 6.7 diesel my engine light comes on too it can be a number of things even your gap on the truck. try this see if it works. turn key to on position and wait a few seconds step on your pedal 3 times a little slow it worked for me, then turn your key to off position and then start your truck see if it goes away.
 

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TECH SPECIALIST
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408 Posts
when was the last time you had your software updated? Odds are your software is not up to date and the new software will take care of the issue.
 
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