| Engine problem |
| 07-23-2017, (Subject: Engine problem ) Post: #1 | |||
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| Engine problem Engine losing power throwing codes 4334 and derating any ideas cummins replace the Def pump went 150 miles did it again. | |||
| 07-23-2017, (Subject: Engine problem ) Post: #2 | |||
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| RE: Engine problem Is your harness in good shape? I noticed when something goes wrong with the DEF system most of the time it is electrical, but having a repeated pump failure sounds like there could be a blockage burning up the pump. Rawze posted pictures of one truck he looked at with similar complaints (and the truck owner having spent a large amount of money with no luck) that had the DEF crystallize almost blocking the pipe where the DEF injector was. | |||
| 07-24-2017, (Subject: Engine problem ) Post: #3 | |||
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RE: Engine problem (07-23-2017 )marek4792 Wrote: Is your harness in good shape? I noticed when something goes wrong with the DEF system most of the time it is electrical, but having a repeated pump failure sounds like there could be a blockage burning up the pump. Rawze posted pictures of one truck he looked at with similar complaints (and the truck owner having spent a large amount of money with no luck) that had the DEF crystallize almost blocking the pipe where the DEF injector was. that was this post... http://rawze.com/forums/showthread.php?t...07#pid1807 User's Signature: ->: What I post is just my own thoughts and Opinions! --- I AM Full Of S__T!. | |||
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