| 6.7L DIESEL – VEHICLES BUILT ON OR BEFORE 2/12/2012 – RUNS ROUGH/MISFIRE – BROKEN INJECTOR HOLD DOWN CLAMP – BUILT ON OR BEFORE 2/12/2012 |
FORD : | 2011-2012 F-Super Duty |
F-Super Duty vehicles equipped with a 6.7L diesel engine and built on or before 2/12/2012 may exhibit a runs rough and/or misfire concern with or with out diagnostic trouble codes (DTCs) P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 and P0308. This may be due to a broken injector hold down clamp.
SERVICE PROCEDURE
- Inspect all eight (8) fuel injector hold down clamps for a broken ear. Are any of the injector hold down clamps broken? (Figure 1)
Figure 1
-
- No – this article does not apply, refer to the Powertrain Control/Emission Diagnosis manual (PC/ED) for normal diagnosis.
- Yes – proceed to Step 2.
- Replace the broken fuel injector clamp(s), reseal the affected fuel injector(s) and replace the injector-to-valve cover seal.
- Pry the injector-to-valve cover seal out of the valve cover using a screw driver. The new seal can be installed using a 22 mm socket or equivalent.
- Inspect the fuel injector return hose connection at the injector(s) for damage. If damage is present, replace the injector return hose.
| BC3Z-9C334-C | Injector Clamp |
BC3Z-9229-A
Genuine Fuel Injector O-Ring Kit BC3Z-9229-E
Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API | Injector Seal Kit – Injectors 1,2,7,8 |
| BC3Z-9229-B No products found. | Injector Seal Kit – Injectors 3,4,5,6 |
| BC3Z-6C535-A | Injector-To-Valve Cover Seal |
| BC3Z-9A564-B | Injector Return Hose |
Prestone HD1001-2PK Command Diesel Exhaust Fluid - 2.5 Gallon, (Pack of 2)
- Formulated to work with all SCR-equipped diesel engines
- Safe, easy-to-handle, nontoxic solution of 67.5% water and 32.5% automotive grade urea
- Certified to meet all API & ISO 22241 requirements
- Compatible with AdBlue and other DEF products
- DEF is a consumable and essential fluid for maintaining SCR-equipped modern diesel engines; contains 30-50ppm bitterant
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API
No products found.
BlueDEF Diesel Exhaust Fluid Synthetic Urea & Deionized Water 2.5 Gallon Jug
- ENGINEERED: For use in Selective Catalytic Reduction (SCR) systems on diesel engines
- EFFICIENCY: BlueDEF diesel exhaust fluid is key to helping improve fuel economy by up to five percent
- PROTECTION: Diesel exhaust fluid is non-toxic and safe to handle
- QUALITY: Stable, colorless and odorless, and also meets ISO Standards 22241 for purity and composition
- EFFORTLESS: Easily Inject the fluid into your exhaust stream with a specialized dosing module
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API
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