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ACTION To diagnose and correct the concern, refer to the following Service Procedure. SERVICE PROCEDURE NOTE DO NOT START ENGINE Evaluation, Inspections, And Checks 1. Retrieve KOEO diagnostic trouble codes (DTCs). 2. Check oil level. Remove and clean dipstick. Reinsert into dipstick tube only until dipstick handle reaches top of dipstick tube (Figure 1). NOTE FIGURE 1 DEMONSTRATES DIPSTICK Figure 1 – Article 07-8-9 POSITIONING FOR OVER-FULL CHECK. KEEP 3. Check coolant level. DIPSTICK HANDLE OFFSET OF CENTER TO PREVENT IT FROM FULLY SEATING. IF OIL 4. Check fuel quality. LEVEL IS BELOW THE MAX MARK, OIL IS NOT OVER-FULL. 5. Inspect tailpipes for abnormal sediment; for example black soot, white ash, oil, coolant, or fuel. 6. Inspect vehicle for coolant, oil and fuel leaks at the following locations: •Tailpipes Repair Directions •Section A – If the following DTCs are present P0087, P2291, P0263-0284, P0300-P0308, or P1336 or if observation of external fuel leaks, for example, wetness around exhaust manifolds or over-full oil level indication. •Section B – If the following DTCs are present P132B, P2262, or P2263 or observation of oil leaks (aside from over-full oil level) or oil level is low. Figure 2 – Article 07-8-9 •Section C – If coolant low or observation of 8. Replace any leaking components and verify coolant leaks. leak has been repaired while running IDS high •Sections A, B, and C – If only abnormal sediment pressure fuel system test – KOER. in tailpipes. 9. Perform WSM, Section 303-04D – Turbocharger SECTION – A Bearing Clearance Check. Fuel System Diagnostics 10. If fuel quality is poor, drain all fuel and replace with known good ultra-low sulfur diesel fuel. NOTE IN CASES WHERE ENGINE OIL HAS BEEN 11. If no DTCs were stored in pending or DILUTED WITH DIESEL FUEL AND ALL REPAIRS continuous memory go to Step 13. ARE COMPLETE, RELEASE THE OIL FILTER CAP 12. Is there abnormal sediment in tailpipes or fuel ALLOWING OIL TO DRAIN TO OIL PAN AND evident? KEEP FILTER, DRAIN THE OIL FROM OIL PAN AND FILL WITH NEW OIL. TIGHTEN OIL FILTER a. No – Complete PC/ED worksheet and CAP AND RUN ENGINE FOR 10 MINUTES. applicable PPT tests for the codes retrieved. FINALLY, CHANGE OIL FILTER AND OIL AGAIN. b. Yes – Go to Step 13. 1. If oil is not over-full – go to Step 9. 13. Is there abnormal sediment in the tailpipes?
