A sticky valve can cause erratic results on the relative compression test. How long has it been since you ran the overhead?
Derate to 5mph crisis - regen not clearing codes for some reason
Discussion in 'Freightliner Forum' started by PermanentTourist, May 10, 2019.
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I did valve adjustment first and after a month Freightliner did the cylinder compression check. -
PE_T Thanks this.
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Above codes coming and going off, but
Yesterday i had new code came up
spn 3720, fmi 15.
Took the truck to my mechanic, said dpf filter full. Based on the above old symptoms, he said better change 1box iso putting new dpf filter. However, he said take it to the dealer and get the 6 fuel injectors checked first b4 putting new 1box. -
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Go to otr performance and get you a computer 850 has saved me quite a few times with ghost codes
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You need to be in the Daimler Trucks North America (DTNA) DATABASE as the owner. You just have to produce an ownership record to any dealer and they are spades to register you. Although I've seen some reluctant dealers as well as dealers that aren't aware of this and will look at you like you're nuts. Then primary benefit is that you will get a letter in the mail of any recalls. You'll also get access to DTNA login with Parts Pro and electrical schematics, etc. for your VIN only. And I spider them let you purchase DDDL.
armo and Dave_in_AZ Thank this. -
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