AccurateDiesel Master Diesel Tech’s Injector Block-Off Cap Set fits Duramax Powerstroke Cummins

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The Storepaperoomates Retail Market » Catalog and Departments » Automotive Parts and Accessories » AccurateDiesel Master Diesel Tech’s Injector Block-Off Cap Set fits Duramax Powerstroke Cummins
Product Description

Brand: AccurateDiesel


  • A “must have” for anyone who works on Diesel Pickups
  • Very helpful for No-start diagnostics
  • Works on 2001 – 2018 Duramax, Powerstroke, and Cummins Applications
  • Most often used for locating an injector with high return rate that is causing a no-start condition
  • Made in the USA

Details: Applications: Compatible with the following – 2001 – 2016 Chevy / GMC Duramax, 2003 – 2018 Dodge Cummins 5.9L and 6.7L, and Ford Powerstroke 2008 – 2018 6.4L and 6.7L Are you the local Diesel expert? Be prepared for almost anything that rolls in the door with this five-piece block off tool kit. The cap on the left fits 2011 – 2016 LML and LGH Duramax. Second from the left fits 5.9L Cummins and LB7 / LLY Duramax. The middle cap fits 2006 – 2010 Duramax LBZ and LMM and 6.7L Cummins. Second from the right fits 6.7L Powerstroke. Far right fits 6.4L Powerstroke. These tools are a “must have” for anyone who works on common rail fuel systems. When a common rail engine will not start, the very first thing to check is fuel rail pressure. If the pressure is less than spec, 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 verify if excessive return flow is the problem. A cap is then used to identify the individual cylinder that is at fault. The injection line is removed for one cylinder at a time and the cap installed on the fuel rail in place of the injection line. When the cylinder with the offending injector is capped, the rail pressure will rise and the truck will start. In some cases it can be highly advantageous to have multiple caps, because several injectors that return slightly too much fuel can have the same effect as a single injector with extremely excessive return flow. Injector block off tools can also be useful for diagnosing engine knocking sounds that may be attributable to an injector or a single cylinder problem particularly on engines where this capability is not available through the scan tool, or a bi-directional scan tool is not available.When working on high pressure fuel systems, always educate yourself first by reading appropriate factory service information, use common sense, and, above all, WEAR SAFETY GOGGLES! Made in Michigan, USA

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