![]() Verify sensor readings: Using a multimeter or other diagnostic tool, check that each sensor is providing accurate readings when compared to its expected values in the Cummins ISX Sensor Location Diagram. If any of these connections have become loose or disconnected, they will need to be reattached before further diagnosis can take place.Ģ. Check all connections: Make sure that all of the sensors and wiring harnesses are securely connected to their respective components. To help you understand and use this diagram effectively, here are some tips for troubleshooting common issues:ġ. However, it can be difficult to interpret the diagram correctly if you are unfamiliar with the system. The Cummins ISX Sensor Location Diagram is a useful tool for troubleshooting common issues with the engine. Troubleshooting Common Issues with the Cummins ISX Sensor Location Diagram Finally, start up your vehicle’s engine to make sure that everything has been installed correctly and that there are no issues with its operation before driving off again safely.īy following these steps carefully when locating and replacing a faulty or worn-out Cummins ISX Sensor for optimal performance in your vehicle’s engine system ( including other issues with the Cummins SCR catalyst) will help ensure that you get maximum fuel efficiency while also reducing emissions levels significantly. Next, take out your new replacement part and connect both wires back into their respective ports on the new part before securing any mounting hardware back into place if necessary. To do this, first disconnect both wires from the old sensor and then remove any mounting hardware that may be holding it in place. Once you have identified and located the Cummins ISX Sensor, you can begin replacing it with a new one. Once you have identified where your ECM is located, look for a small black box with two wires connected to it this will be your Cummins ISX Sensor. The ECM will be located near the firewall on most vehicles. To locate the Cummins ISX sensor, first, identify where your engine’s ECM (Engine Control Module) is located. Therefore, it is important to locate and replace the Cummins ISX sensor for optimal performance. ![]() If the sensor is not functioning properly, it can lead to decreased fuel efficiency and increased emissions. What is a Cummins ISX sensor location diagram? The Cummins ISX sensor is an important component of the engine system, as it helps to ensure optimal performance. it drastically dropping and gaining.How to Locate and Replace the Cummins ISX Sensor for Optimal Performance it doesn't hold steady or climb in small numbers. The exhaust gas temperature isn't reading correctly its jumping all over the place from 300F to even 1000F and ranging around 400-600F. When his soot level with the old turbo was high, the regen completed once with the temperatures in the correct range and after that its been the same even after resealing the exhaust manifold, checking the delta-p ports, cleaning sensors & pressure tubes, and replacing the turbo/actuator. Even prior to his new turbo replacement, the DOC/DPF temps would stay in the 400's and shop did suspect a bad turbo, but he didn't pull the trigger until I took the actuator off and found the actuator itself binding pretty badly and the turbo shaft was binding and not moving freely. I don't think this will fix the issue, but it's worth a try. I'm going to check the ECM calibrations tomorrow and flash it to the latest if the software right now is old. keeps jumping up and down might be a possible cause? I also saw it jump to 1000F and back down to 300-500F) Here are some of the data I wrote down during the parked regen:ĮXHAUST GAS TEMPERATURE: 390-520F (fluctuating. Obviously it's not reaching the 500F+ for the fuel to start dosing. When the fan turns on the DOC temperature increases to almost 480F and as soon as the fan shuts off it goes back down to 440F. His IMP sensor was covered in soot so he just bought a new one and also ordered a exhaust back pressure sensor which hasn't been installed yet. I also removed the exhaust back psi sensor and cleaned out the tube and sensor. Shop didn't reset the doc/dpf so I did that with my insite. ![]() ![]() I cleaned his fuel doser injector and installed it with new gaskets while the down pipe was off. His turbo also took a # so that was replaced by me as well while I did the exhaust manifold gaskets. He had a massive exhaust manifold leak so that was taken care of by me. Prior to asking for my help, his DOC was removed and checked by a shop and DPF was cleaned. ![]() Shop installed new sensors on the doc and dpf. His DOC temperature is not increasing more then 440F. The truck does not throw any fault codes. ![]()
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