One thing that you have to remember is that all of the oil is going to foam after being churned by the pump and slung around in the engine. However, injectors can fail in different ways, other than becoming just worn out or tired. Parameter and feature adjustment 3. Found rail pressure was good. Leave any questions or comments below.
You have the ability to initiate system and component tests. When the body is cracked, the engine will not necessarily produce a miss but will cause other problems, which can be even more difficult to pinpoint. Shipping Time: a one business days for order processing after received the payment. Other component testing includes fuel pumps, coils, starters, blower motors, and fuel injectors. I think sometimes with newer diesel engines, owners may think that there are easier ways in determining failed parts, but it can be still just as aggravating as older diesel engines. This kit works with heavy truck, automobiles, marine, agriculture, earth moving equipment, and much more.
While there are many diagnostic tool options available out there, one tool that I have found in the aftermarket for independent garage is from Hickok Inc. The good thing about electronic diesels is that the technician can link up with a scan tool to analyze data in order to try to pinpoint problems. Very strange feel to this one. Do not use the reference number shown in the figure. Thanks in advance for your time. Cummins Inline 5 Insite 7.
But without live data and bi-directional controls, you may not have enough information to properly perform the repair. This type of diagnosis can be very useful in trying to identify which injector may have an external crack. In the top of the injector is what is known as a spool valve. With a light, study the injector body of each cylinder. The reason for this is that a lot of times when you have a couple of injectors that may have issues, some shops feel they have to replace them all. While a laptop is not necessarily needed, it will give some data logging capabilities along with some graph displays on what the injectors are doing.
So used same scan tool as you did. Although the injector body can be cracked, the engine may still run fine but just take an extended period of time to crank. It looked just like the one pictured at the beginning of this article, all crumpled up and sucked out of shape. This manual is focused on advanced beginners and intermediate users. Owners often think that because diesel engines are now computer-controlled, the technician should be able to hook up a scan tool and immediately see what is going on. When the open coil is energized, the spool valve moves to allow high-pressure oil in from the rail to flow into the injector. Offer excludes truck freight and oversize fees.
Sometimes, if the injector body is cracked externally, you may be able to notice a small wisp of smoke from the injector. Once cookies are enabled please. The days of diagnosing vehicles without the proper equipment is over and the shops that invest in diagnostic equipment will enjoy success while others will fail. Internal Flash memory allows firmware upgradeability 10. Trip and vehicle information 2.
For the Cummins engine, I start with the first cylinder and remove the hard line between the fuel rail and injector. First remove the valve cover, then crank the engine and let it idle. Valid on orders shipped in the contiguous United States. With bi-directional controls, you will no longer be relegated to being just an observer in the operation of the vehicle--now you can take control of its operation. In a Cummins engine, the injectors will not be actuated by the controller until the fuel rail pressure reaches the threshold. With a light, study the injector body of each cylinder.
Supported Languages: English, French, Spanish, Portuguese, German, Italian, Danish, Russian, Hungarian, Indonesian, Turkish, Norwegian, Japanese, Korean, Polish, Swedish, Romanian, Finnish, Dutch, Chinese 3. The spool times of the injectors looked great. Think about that: it is impressively fast to move a spool that quickly when it is under the intensity of high-pressure oil. Start Your Scanning Going back to diagnosing, you have to have the proper tools. I would also like to add one more note though. I replaced the air filter.
In the professional repair business getting as much coverage as you can is important to effectively and quickly service any vehicle. Something to keep in mind on a 6. I was told the same thing and I found out after removing the cylinder head I needed my motor rebuilt piston was broke cylinder wall all scratched up do a compression test on cyl. This means that the injection force will be seven times greater than the high- pressure oil. The pressure of the fuel in the delivery chamber being forced through the tip of the injector nozzle will be 4,200 psi. If you got on the throttle hard and held it there the power would be there, suddenly drop off, but the rpm would stay up even though all the power was gone.