cat c7 injector problems

It has been at Georgia Truck and RV. to replace fuel gauge and will get the line checked then. Also, look for a change to the operating parameters that are displayed on the “Cylinder Cutout Test” screen. Caterpillar C7 C9 injector repair kitsITEM:CAT C7/9 injector repair kitsInjector model:10R4761 222-5961 233-3536 236-0973 241-3238 243-4502295-1408 328-2583 387-9430 222-5959 387-9427 241-3239 238-8091387-9433 254-4339 10R7222 238-8091 236-0962 235-2888 268-1835Color: Serial no is KAL21849 in a GMC 7500. D. Restore the electrical power to the ECM. If the codes continue to be logged, refer to Troubleshooting, “Electrical Connectors – Inspect”. A strong electrical shock hazard is present at the jumper wire while the test is running. Results: OK - Cat ET displays "Open" for the cylinder with the jumper wire. He had that motor and I believe it was problems. The new ECM can no longer be used for another engine or for a test ECM. E. Check the harness and the wiring for abrasion and for pinch points from the P300 connector to the ECM. D. Fabricate a jumper wire that will be long enough to short circuit two terminal locations at the P300 connector. Note: If the “Copy Configuration/ECM Replacement” feature cannot be used, program the values from the “Parameters Worksheet”. Proceed to Test Step 4. Your email address will not be published. Do not perform any procedure in this Special Instruction until you read this information and you understand this information. The ECM uses this number to compensate for manufacturing variations between individual injectors. D. Remove the supply wire from the terminal location for the suspect injector at the ECM connector. P300 terminals that are associated with the injector solenoids. The electronic service tool can be used to view certain parameters that can affect the operation of the engine. (02-07-2015, 11:01 PM) tomacejones Wrote: hey guys working on a c7 in a gmc its a no-start cranks fine getting 1-11 2-11 3-11 4-11 5-11 6-11 All are an injector current fault... however when I run the injector solenoid click test they all click. Crimp a connector pin to each end of the jumper wire. G. Verify that the ECM detects a short circuit for the suspect injector: 1. Cat 3126B Fuel Injector Sleeve Cup Removal and Installation Tool Kit Replacement for CAT 3126 Caterpillar C7 C9 HEUI Injector Structure 10R-0781 (Valve03) $159.00 $ 159 . Cat ET will indicate when flash programming has been successfully completed. C7 and C9 Industrial Engines Troubleshooting – Diagnostic Capabilities, C7 and C9 Industrial Engines Troubleshooting – Electrical Connectors. I noticed when I fill up and park in storage building, I have fuel on floor under the tank. Pros and Cons & Thoughts CAT C7 engine Thread starter SpeedExpo8; Start date Dec 8 , 2016 ... like any CAT product....not good. The signal is sent with the proper injection duration and injection timing for the current engine load and speed. Shop Caterpillar C7 Fuel Injectors For Sale. Order Genuine Cat® Parts Direct Now. F. Perform the “Injector Solenoid Test” at least two times. Proceed to Test Step 6. If someone else did this, they could be trying to reset your password, or it could be a mistake. Repair any active diagnostic or event codes. Reconnect the original ECM. Caterpillar Electronic Technician (ET) is used to flash program a file into the memory of the engine’s ECM. … Cat ET will display the status of the “Test ECM Mode” and the hours that are remaining for the “Test ECM Mode”. I read about the pump issues reported on the HEUI pump in this forum. Your email address will not be published. 45 N (10 lb) pull test on each of the wires that are associated with injector solenoids. 3406E and 3456 Industrial Engines Testing and Adjusting – Engine Oil Pump – Inspect, 3406E and 3456 Industrial Engines Testing and Adjusting – Engine Oil Pressure – Test, 3406E and 3456 Industrial Engines Testing and Adjusting – Engine Valve Lash – Inspect/Adjust, 3406E and 3456 Industrial Engines Testing and Adjusting – Aftercooler – Test, 3406E and 3456 Industrial Engines Testing and Adjusting – Inlet Manifold Pressure – Test. If the new ECM does not resolve the problem, and 24 hours has not expired, the ECM can be used as a new ECM. Offline. Repair: Repair the connectors or wiring and/or replace the connectors or wiring. Stop the “Injector Solenoid Test” before handling the jumper wire. Disconnect the P300 connector at the valve cover base. last time a saw this it was an ecm but that was a few years back if I can remember correctly. The ECM will periodically try to fire the injector. This will replace the injector solenoid with an open circuit. Thoroughly inspect connectors (1) and (2). An audible click can be heard as each solenoid is activated. Program the correct flash file into the new ECM. This clock will count down only while the ECM is powered. During the test, when a cylinder is cut out, an increase in “Fuel Position” will be noticed for the remaining cylinders. C7 Reman Caterpillar Injector. Get the best deals on Caterpillar Car & Truck Fuel Injectors when you shop the largest online selection at eBay.com. Broken valve caused scored cylinder and broken piston. I asked the Caterpillar techs if this could possibly be the cause of my fuel injector problems and the service manager and techs said that it was not the problem. Parameters that can be changed have a tattletale number. C. Restore the electrical power to the ECM. Two injector solenoids share a supply wire. As the different cylinders are cut out, a comparison of the change in “Fuel Position” is used to identify cylinders that are weak or misfiring. There is an electrical problem with an injector solenoid or … B. ... is located ( bad electrical connection to injector ) Caterpillar repair for this problem install Results: The cylinder cutout test indicates that at least one of the injectors is not operating correctly. We are having problems starting the engine and the Cat helpline suggested that the problem could be the check valve in the fuel line, the the high pressure oil pump for the injectors or one of several other items. One reason for a cylinder that is weak or misfiring is an injector that is malfunctioning. Start the engine and check for proper operation. Search for the latest flash file for the engine. If the “Copy Configuration/ECM Replacement” feature cannot be used, record the programmed values into the “Parameters Worksheet” in system configuration parameters Troubleshooting, “System Configuration Parameters”. The “Cylinder Cutout Test” can be used to isolate a malfunctioning injector in order to avoid replacement of injectors that are in good condition. D. Perform the “Injector Solenoid Test” at least two times. 32000 miles. Temporarily connect the new ECM to the engine. Have a small truck, small bus, or an RV with a Cat Engine in it? Program the engine serial number into the new ECM.If the problem is resolved with the new ECM, remove the original ECM and permanently install the new ECM. Access the feature through the “Service” menu. Replace parts, if necessary. The Caterpillar Electronic Technician (ET) includes the following tests that aid in troubleshooting the injector solenoids: The “Cylinder Cutout Test” is used on an engine in order to determine the individual cylinder performance while the engine is running. Repair: Repair the wiring and/or the connector, when possible. Alternatively, use the “Service Software Files” feature on SIS Web to obtain the flash file for your engine. Check for a difference in the sound, feel, or power of the engine. You must have the engine serial number in order to search for the flash file. Close Categories. A new ECM can never be used as a test ECM after the engine serial number is programmed. The injector for that cylinder will be disabled. Some of the parameters are protected from unauthorized changes by passwords. P2 terminals that are associated with the injector solenoids, Illustration 4 g01121687 Remove the new ECM before the 24 hour timer expires. Refer to Troubleshooting, “Electrical Connectors – Inspect” for the proper torque value. FL70/CAT 3126 Injector Seal Problem Thread starter mikecop; Start date Mar 18, 2001; M. mikecop Veteran Expediter. When the “Test ECM Mode” is activated, an internal timer sets a 24 hour clock. If you do not have the flash file, use the “Flash File Search” tool on the Service Technician Workbench (STW) to obtain the flash file for your engine. Proceed to Test Step 3.Results: A diagnostic code is logged for one or more injector solenoid. For this reason, an open circuit or a short circuit in a supply wire could cause diagnostic codes for two injector solenoids. Required fields are marked *. c7 eng miss I have a CAT C7 that is showing fault codes 2-11, 3-11 and 4-11 active. After the ECM has counted down the 24 hour period, the “Personality Module Code” will be dependent on the application. Repair: There is a problem with the ECM. D. Shut off all parasitic loads such as air compressors which could affect the results of the test. When a weak cylinder (malfunctioning injector) is cut out, the increase in “Fuel Position” will not be as large as the increase for a cylinder that has an acceptable level of performance. The long and short of it is my 2006 Itasca Ellipse with the 350 hp Cat C7 in pending a new engine in Jackson, Georgia. Replace the ECM. I have the same problem-- 2007 Phaeton Cat C7 hard to crank. Save my name, email, and website in this browser for the next time I comment. The technology was really the first generation emissions technology for heavy duty diesel engines. These engines have Electronic Unit Injectors (EUI) that are hydraulically actuated and electronically controlled. Do not touch the jumper wire during the test. I have appt. Smart-Simple Savings-Built For It. Insert the other end of the jumper wire into the P300 connector socket for the suspect injector return wire. Ensure that the jumper wire is not in contact with a ground source or another circuit. “Test ECM Mode” can only be activated if the engine serial number has not already been programmed during normal operation of the ECM. Then the odds are you have a HEUI system. Do not touch the jumper wire during the test. If the short circuit condition remains, this sequence of events will be repeated until the problem is corrected. Options: Clear: C7 Cat Reman Injector quantity. The injector on these engines seats directly against the cylinder head casting, not on the injector cup. Allow the “Injector Solenoid Test” to continue until each cylinder is activated at least two times. Reman Caterpillar C7 Injector 1 - Remanufactured Caterpillar C7 Injector CAT Injector numbers in stock: 10R4761 - 222-5961, 233-3536, 236-0973, 241-3238, 243-4502, 295-1408, 328-2583 Verify that the repair eliminates the problem. $180.00. 255 50. Restore the electrical power to the ECM. Select “WinFlash” from the “Utilities” menu on Cat ET. This will replace the injector solenoid with a short circuit. Illustration 1 g03122657 G. Use Cat ET to manually cut out the cylinders in order to identify injectors that may have a performance problem. I have a 98 FL70 with the CAT 3126 engine, with 312,000 miles on the vehicle. The tattletale number shows if a parameter has been changed. A Bosch high-pressure oil … then i googled the Fault and found out that the C7 has a lot of probl. Before replacing the C7 or C9 high-pressure fuel pump, follow the instructions that are listed below. There is an active diagnostic code for an injector solenoid. Cat fuel injectors deliver to your internal combustion engine the correct amounts of fuel at the right moments for prime performance. The HEUI injector allows for multiple injections at different metered rates, thereby improving fuel combustion and reducing emissions output. Press the “Browse” button in order to select the name of the flash file that will be programmed into the ECM. Refer to Troubleshooting, “Electrical Connectors – Inspect”. Verify that the “File Values” match the application. The ECM will continue to try to fire the injector. J. You are here. If an open circuit condition is detected in the solenoid circuit, a diagnostic code is generated. Use the “Copy Configuration/ECM Replacement” feature on Cat ET to copy the configuration parameters from the suspect ECM to your personal computer (PC). Results: Cat ET did not display the correct status during the test. Access the information about the “ECM Summary” under the “Information” menu. Refer to Troubleshooting, “Injector Trim File” for more information. Apr 4, 2010 East of the Rockies 0. Cat had to eat the injector and labor cost this time, thankfully. There may be a problem with a connector. Verify that the problem is resolved. F. Activate the “Injector Solenoid Test”. Proceed to Test Step 5. 77 °C (171 °F). Cat ET displays "Open" for the cylinder with the jumper wire. Disconnect the suspect ECM. First is was running rough and i believe misfireing their where no active codes logged .I replaced the speed sensors didnt fix the problem . If the ECM is replaced, all injector trim files must be programmed into the new ECM. Hi, I have a CAT C7 problem. eBay; eBay Motors; ... Caterpillar C7 ACERT Engine Fuel Injectors, OEM # 2413238, 3145427, 10R4761. If a short circuit condition is detected, a diagnostic code is generated. Restore the electrical power to the ECM. The parameters, the accumulated hours, and the engine serial number will be permanently programmed into the new ECM. Establish communication between Cat ET and the engine’s ECM. As one or more cylinders are cut out during the test, the “Cylinder Cutout Test” uses “Fuel Position” in order to evaluate the performance of the cylinders that are cut out. Make sure that you are flashing the correct file for your engine. Here is some additional information from Dave on injector problems: ... Tuesday AM I am going to pull valve cover off the C7, clean and put O-rings on my injector electrical plugs. Required fields are marked *. If the new ECM fixes the problem, the engine can be released while the “Test ECM Mode” is still active. 4. The Engine Control Module (ECM) sends a high voltage signal to each injector solenoid. F. Verify that the ECM will detect an open circuit for the suspect injector: 1. Use this procedure for the following conditions: Use this procedure for the following diagnostic codes: Perform this procedure under conditions that are identical to the conditions that exist when the problem occurs. Replace parts, if necessary. B. When an injector is replaced, an injector trim file must be programmed into the ECM. Hi, I have a problem with our Cat C7 Acert . There is a problem with the injector harness under the valve cover. Choose from 22 listings to find the best priced Caterpillar C7 Fuel Injectors by owners & dealers near you. 3. You have been directed to this procedure from Troubleshooting, “Troubleshooting without a Diagnostic Code”. Remove the electrical power from the ECM. Do not mount the new ECM on the engine. Charter Member. I think his name is. After the ECM has counted down the 24 hour period, the ECM will exit the “Test ECM Mode”. Write down the name of the flash file for future reference. Allow the engine to warm up to normal operating temperature If injector trim files are necessary, the injector serial numbers are necessary for obtaining the correct injector trim files from Cat ET. F. Restore the electrical power to the ECM. The injector solenoid is mounted on top of the fuel injector body. Install the jumper wire into this socket. Engine Overhaul Kits available for the Cat® C7 Engine. Mar 18, 2001 #1 This week I had an unexpected, and expensive, experience will loss of oil. Note: Prior to running the “Cylinder Cutout Test”, all active diagnostic codes must be repaired. After locating the correct flash file, download the flash file to your PC. This will replace the injector solenoid with a short circuit. G. Repeat this test for each suspect circuit. Page 1 of 3 1 2 3 Next > Apr 13, 2012 #1. freightlinerfever11 Light Load Member. CAT quit building truck engines for a reason. When the correct flash file is selected, press the “Open” button. Injector Sleeve Cup Seat Bore Cleaning Brush Kit Compatible for 1994~2018 Ford Powerstroke 6.0L 6.4L 6.7L 7.3L Caterpillar (CAT) 3126 C7 C9 / Navistar Alternative to … Note: The “Test ECM Mode” must be activated before the engine serial number is programmed into the new ECM. Crimp a connector socket to one end of the jumper wire. Results: Note the cylinder that indicates “Open”. Your email address will not be published. C7 and C9 Industrial Engines Troubleshooting – Injection Actuation Pressure Control Valve – Test, C7 and C9 Industrial Engines Troubleshooting – Injector Trim File – Install. The injector solenoids are operating correctly. Reply: Richie : 29-Dec-14 : Dave, You are right about the HEUI pump. Note: When the”Test ECM Mode” is activated, the “Personality Module Code” is 0. D. Check the allen head screw on the ECM connectors for the proper torque. Reset your Password, or it could be a mechanical problem with the and! Procedure in this browser for the next time I comment ;... Caterpillar C7 engine was a few years if! From 2003 - 2009 and was originally touted to be logged, refer to Troubleshooting, “ Electrical connectors Inspect... When you shop the largest online selection at eBay.com sets a 24 hour timer expires not operating correctly to. Correct amounts of fuel at the P300 connector to the engine ECM under the “ ”! 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