Diesel Forum - TheDieselStop.com - View Single Post - Suspected dirty injectors
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post #4 of (permalink) Old 12-30-2018, 11:30 PM
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Join Date: Apr 1999
Location: Chugiak Alaska
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I would think a dirty/poor working injector would show problems at all RPM's. It wont hurt to run some cleaner of you choice, but, I would clear all the codes then drive a bit and see what they show. I would suspect the under cover harness or fuel delivery (pre injector) problem.

1999 F350 AUTO 4x4 CC LB DRW 4.10
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