Duramax Lb7 Lly Diesel Injector Block-off Tool / Cap (8 Pcs) En-47589
Price:
$ 156
- Condition: New
Seller notes
DURAMAXInjector Block Off fits 2001 - 2005 LB7 and LLY (SET OF 8) REPLACES: Miller 9011 / GM EN-47589-1 NOTE: This tool will also work on Cummins 5.9L 2003 - 2007 This tool is a "must have" for anyone who works on Duramax fuel systems. When a Duramax will not start, the very first thing to check is fuel rail pressure. If the pressure is less than 2,500 PSI (LB7), one of the most likely causes is a defective injector that is returning excess fuel back to the tank. A return flow volume test will v...
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