AccurateDiesel 5.9L Cummins Diesel Injector Block-Off Tool/Cap

AccurateDiesel 5.9L Cummins Diesel Injector Block-Off Tool/Cap
- A "must have" for anyone who works on Cummins common rail fuel systems
- Replaces Miller 9011
- Fits 2003 - 2007 Dodge / Cummins 5.9L Diesel
- Most often used for locating an injector with high return rate that is causing a no-start condition
- NOTE: This tool will also work on Duramax applications 2001- 2005
When a Cummins common rail engine will not start, the very first thing to check is fuel rail pressure. If the pressure is less than 5,000 PSI, 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. This 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. To purchase a complete set of block off tools, please see our other Amazon listings. The injector block off tool 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. At least one of these would also be a great addition to the glovebox kit of every Cummins owner. When an injector malfunctions on a common rail engine damage to a piston or cylinder can occur very rapidly. When a common rail engine begins to misfire and blow excessive white smoke, the owner is highly advised to turn the engine off and call a tow truck to prevent major engine damage from occurring. An alternative would be to temporarily cap the injector for that cylinder for a short period. 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!
Country USA
Brand AccurateDiesel
Manufacturer AccurateDiesel
ItemPartNumber 9011
Model 9011
ReleaseDate 0000-00-00

Country	USA
Brand	AccurateDiesel
Manufacturer	AccurateDiesel
ItemPartNumber	9011
Model	9011
ReleaseDate	0000-00-00

AccurateDiesel 5.9L Cummins Diesel Injector Block-Off Tool/Cap

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