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Thread Title:

C15 Mbn injector problems

Created On Tuesday June 25, 2013 14:57 Diesel Talk
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Joined: Jun 2013

Note Tuesday June 25, 2013 14:57 View thread in raw text format
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Have an 03 Pete with Mbn c15 that is running rough. Ran cylinder cutout with ET
And all injectors failed. Checked fuel pressure and air in return line and are good. Done individual cylinder cut out and isolated the problem to #6. Not a dead miss but weak. Swapped injector with #5 and problem moved so changed injector. That cylinders good now but 3, 2, 1 all seem to be weak. Am ready to replace the rest of the injectors but the truck had all new injectors less than three years ago and have under a 100,000 miles on them. Any suggestions before I drop another three grand changing injectors. I didn't know if anybody has had any luck running injector conditioner/cleaner through the fuel system?
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