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8430 JD injection issue ECU 656.07
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plumcreekfarm
Posted 8/29/2016 21:02 (#5498128)
Subject: 8430 JD injection issue ECU 656.07



ECMS
Good evening. Well as of today i have waited 7 days for the tech to show up and my patience is running short (I am glad i don't need them for combine service) so i'm trying to figure the problem out without him. I have a 8430 tractor that had a bad miss when put under a load. Pulled injectors and they all tested bad. Put a whole set of reman injectors in. Changed fuel filters and flushed the fuel tank. Imediately after install it does the exact same thing same cylinder as before. Pull it down under a dead load and it goes to missing again. It would do it in about 10 minutes now it takes about 30 minutes to an hour. Only does it when it gets pulled down under hard load. ECU code 656.07 is what pops up. The code means it did not see a drop in rail pressure when number six should have fired. What might be the problem? I would appreciate any help i could get. Thanks for now!
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