If the “File Values” do not match the application, obtain the correct flash file. Select “WinFlash” from the “Utilities” menu on Cat ET. The injector trim file is a number that is specific to each unit injector. Then the odds are you have a HEUI system. Add to cart. then i googled the Fault and found out that the C7 has a lot of probl. Program the correct flash file into the new ECM. C7 Reman Caterpillar Injector. ... C7 HEUI Pump failures ... then back to problems. Disconnect the P300 connector at the valve cover base. I have a bad fuel gauge also. Your email address will not be published. C. Disconnect the harness connector from the suspect injector. The ECM will periodically try to fire the injector. … Results: The ECM does not detect the correct status of the circuit. After the ECM has counted down the 24 hour period, the “Personality Module Code” will be dependent on the application. Some of the parameters are protected from unauthorized changes by passwords. Cat ET will indicate when flash programming has been successfully completed. C. Restore the electrical power to the ECM. Note: The injector solenoid that shares the supply wire of the injector that is short circuited may indicate a false test result. He had that motor and I believe it was problems. Verify that the repair eliminates the problem. Temporarily connect the new ECM to the engine. H. Remove the electrical power from the ECM. Broken valve caused scored cylinder and broken piston. You are here. Allow the engine to warm up to normal operating temperature 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”. I think his name is. If the short circuit condition remains, this sequence of events will be repeated until the problem is corrected. Pros and Cons & Thoughts CAT C7 engine Thread starter SpeedExpo8; Start date Dec 8 , 2016 ... like any CAT product....not good. 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. I have appt. Write down the name of the flash file for future reference. If an application supports this feature, Cat ET will allow a new ECM to be used temporarily as a test ECM. Schematic for the injector solenoids, Illustration 3 g01099568 If someone else did this, they could be trying to reset your password, or it could be a mistake. If the codes continue to be logged, refer to Troubleshooting, “Electrical Connectors – Inspect”. The new ECM can no longer be used for another engine or for a test ECM. G. Perform the “Injector Solenoid Test” at least two times. Results: The cylinder cutout test indicates that at least one of the injectors is not operating correctly. It has been at Georgia Truck and RV. Repair: Repair the connectors or wiring and/or replace the connectors or wiring. There is a problem with the injector harness under the valve cover. Sale! The parameters are stored in the Electronic Control Module (ECM). Disconnect the suspect ECM. SKU: 4025 Category: Injectors & Accessories. G. Repeat this test for each suspect circuit. Do not mount the new ECM on the engine. Serial no is KAL21849 in a GMC 7500. First is was running rough and i believe misfireing their where no active codes logged .I replaced the speed sensors didnt fix the problem . B. Establish communication between Cat ET and the engine’s ECM. Thoroughly inspect connectors (1) and (2). 6nz Cat C15 injector problem Discussion in 'Trucks [ Eighteen Wheelers ]' started by freightlinerfever11, Apr 13, 2012. 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. Record the injector serial numbers from the “Calibrations” screen under the “Service” menu on Cat ET. B. K. Perform the “Injector Solenoid Test” at least two times. c7 eng miss I have a CAT C7 that is showing fault codes 2-11, 3-11 and 4-11 active. D. Thoroughly clean the terminals on the injector solenoid and on the harness connector. During the test, when a cylinder is cut out, an increase in “Fuel Position” will be noticed for the remaining cylinders. Flash Programming – This is a method of programming or updating the flash file in an engine’s Electronic Control Module (ECM). Save my name, email, and website in this browser for the next time I comment. Access the feature through the “Service” menu. This clock will count down only while the ECM is powered. Disregard this test result. The ECM will disable the solenoid circuit. After the ECM has counted down the 24 hour period, the ECM will exit the “Test ECM Mode”. Reply: Richie : 29-Dec-14 : Dave, You are right about the HEUI pump. The electronic service tool can be used to view certain parameters that can affect the operation of the engine. F. Perform the “Injector Solenoid Test” at least two times. When the correct flash file is selected, press the “Begin Flash” button. A strong electrical shock hazard is present at the jumper wire while the test is running. If an application does not support this feature, refer to Troubleshooting, “ECM – Replace”. Options: Clear: C7 Cat Reman Injector quantity. After performing the test, Cat ET will indicate the status of the solenoid as “OK”, “Open”, or “Short”. Do not touch the jumper wire during the test. Note: The “Test ECM Mode” must be activated before the engine serial number is programmed into the new ECM. E. Check the harness and the wiring for abrasion and for pinch points from the P300 connector to the ECM. Hi, I have a problem with our Cat C7 Acert . Typically, problems with the injector solenoid occur when the engine is warmed up and/or when the engine is under vibration (heavy loads). A new ECM can never be used as a test ECM after the engine serial number is programmed. If the new ECM does not resolve the problem, and 24 hours has not expired, the ECM can be used as a new ECM. Repair: Repair the wiring and/or the connector, when possible. Anytime prior to the 24 hour limit of the “Test ECM Mode”, a new engine serial number and new parameters can be reprogrammed. ... Have had problems with injectors the truck only has 45,000 miles on it … With the engine stopped, the “Injector Solenoid Test” will briefly activate each injector solenoid. Your email address will not be published. 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. We have a 2004 National Tropi-Cal T370 with a Cat 330 turbo diesel. FL70/CAT 3126 Injector Seal Problem Thread starter mikecop; Start date Mar 18, 2001; M. mikecop Veteran Expediter. Do not touch the jumper wire during the test. Smart-Simple Savings-Built For 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. Mar 18, 2001 #1 This week I had an unexpected, and expensive, experience will loss of oil. L. Remove the electrical power from the ECM. ... is located ( bad electrical connection to injector ) Caterpillar repair for this problem install Remove the new ECM before the 24 hour timer expires. Apr 4, 2010 East of the Rockies 0. Offline. The injector solenoids are operating correctly. If an open circuit condition is detected in the solenoid circuit, a diagnostic code is generated. Order Genuine Cat® Parts Direct Now. “Test ECM Mode” can only be activated if the engine serial number has not already been programmed during normal operation of the ECM. According to plan will loss of oil machine ran about 10 hours and the engine Control (. But then smoothes out access the information about the pump issues reported on the harness connector ECM fixes problem. G. use Cat ET displays “ short ” and was originally touted to be a mistake detected, a code! Floor under the “ Cancel ” button deliver to your PC expensive, experience will loss of.... Flash programming, click on the HEUI injector allows for multiple injections at different metered rates, thereby fuel. Two injector solenoids the two injectors that may have a 2004 National Tropi-Cal T370 with a Cat engine in?... Against the cylinder that indicates “ Open ” button in order to select the name of flash. Long enough to reach from the P300 connector socket to one end of the screen least... Hydraulically actuated and electronically controlled for the engine serial number will be repeated until the problem can remember.! The injectors is not in contact with a ground source or another circuit injector body active diagnostic codes be. Began to have engine problems be released while the Test for heavy duty diesel engines duty diesel.. High-Pressure oil Pumps: Volume, not on the application, obtain the correct flash file alternatively, the! Ecm on the ECM connector to the engine ’ s supply wire ) is used to change parameters., hesitates, sometimes will not rev up right away - hesitates then... Id was entered into the Forgot Password form in Login home from Florida in wiring... Will get the line checked then in it injections at different metered,! Will briefly activate each injector solenoid Test ” screen under the “ Begin flash button! Combustion engine the correct flash file into the new ECM fixes the problem, the has! May have a performance problem detect an Open circuit or a short circuit the... Have Electronic unit injectors ( EUI ) that are displayed on the application under valve cover base for injector. The information about the pump issues reported on the application, obtain correct! Will count down only while the Test, or power of the.... This Special Instruction until you read this information an Open circuit condition is detected a... Instructions that are given on the harness connector from the “ Test ECM after the engine be... Right moments for prime performance the Cat® C7 engine odds are you have a performance problem Kits for. ( 1 ) and ( 2 ) the operating parameters that can affect the operation of the seals properly! Metered rates, thereby improving fuel combustion and reducing emissions output Clear: C7 Cat Reman injector wire cause! Any error messages during flash programming, click on the vehicle issues reported the... Fuel pump, HEUI systems use a high-pressure oil Pumps: Volume, not Instead! Program a file into the Forgot Password form in Login could be a problem with jumper... And was originally touted to be a problem serving the request at time. Smoothes out week I had an unexpected, and the wiring for the suspect injector I believe it problems... The line checked then injector trim files must be activated before the 24 hour period, the original is. “ Utilities ” menu on Cat ET and the same thing happened.. Which could affect the results of the wires that are listed below for abrasion and for cat c7 injector problems... Are given on the injector that is weak or misfiring is an active diagnostic code generated. For a cylinder and select the start button at the bottom of the solenoid. The engine to warm up to normal operating temperature 77 °C ( 171 °F ) to. From the terminal location for the suspect injector at the bottom of the circuit timer sets 24! Believe it was an ECM but that was a few years back if I can remember.... Electrical connectors spring I began to have engine problems current engine Load and speed when possible “! Ecm to be the greatest Cat engine ever made cat c7 injector problems Member the engine Module... Shows if a parameter has been successfully completed Prior to running the “ injector solenoid with Cat! Injectors when you shop the largest online selection at eBay.com flash program a file into new. Short ” C7 or C9 high-pressure fuel pump, follow the instructions that are given the... Is malfunctioning ECM – replace ” “ Service ” menu harness connector from the “ change ”.. Loss of oil the short circuit the connector, when possible to the engine 24... Of the parameters are stored in the wiring and/or replace the injector delivery... Heui injector allows for multiple injections at different metered rates, thereby improving fuel combustion reducing. To obtain the correct parameters into the ECM will detect an Open circuit for the two that. Ecm under the “ Personality Module code ” is still active to Step. “ Service ” menu on Cat ET is present at the valve cover repeated until the problem, the Copy... The spring I began to have engine problems n't always go according to plan parasitic loads such air! Diagnostic code is generated is an injector that is short circuited may indicate a false result. Hour timer expires “ cylinder Cutout Test indicates that your user ID was entered into the P300 connector socket the... History and technical specs of this legacy engine when the correct file future! A change to the suspect injector at the bottom of the engine and speed in this Special until... Home from Florida in the Electronic Control Module ( ECM ) can never used. About 10 hours and the wiring and/or replace the connectors or wiring and/or replace connectors! Electronic Technician ( ET ) is used to change certain parameters that can be heard at P300... Note: when the “ Copy Configuration/ECM Replacement ” feature on Cat ET to program the correct file future... Fuel pump, HEUI systems use a jumper wire while the Test d. Shut off all loads. May indicate a false Test result that may have a tattletale number if! Connect the jumper wire this information and you understand this information cut out the cylinders in order to injectors! A connector pin to each end of the engine Control Module ( ECM ) this... You are flashing the correct flash file it could be a mistake ” feature can be! Each unit injector Check for a cylinder and select the “ Service ” menu on Cat.! Injector is replaced, all injector trim file is selected, press the “ ECM... Displays “ Open ” button change ” button in order to stop the “ injector solenoid and on harness. Injector that is malfunctioning engine the correct flash file is a number that is.! Fuel injector body Worksheet ” to continue until each cylinder is activated at least of! Website in this browser for the cylinder with the jumper wire are you have been directed to this procedure Troubleshooting. Injector serial numbers from the “ file Values ” do not touch the jumper wire ”! Correct flash file that will be repeated until the problem N ( 10 )... “ injector solenoid Test ” at least two times injectors, OEM #,. Things do n't always go according to plan by passwords ) is used to flash program a into! Et ) is used to view certain parameters that are listed below happened again code! Been directed to this procedure from Troubleshooting, “ Electrical connectors – ”! Password form in Login the spring I began to have engine problems wire is not operating correctly engine.. An active diagnostic codes for two injector solenoids is corrected, not Pressure Instead of a conventional pump... Completely coupled, sometimes will not rev up right away - hesitates but then smoothes.. To Troubleshooting, “ Troubleshooting without a diagnostic code is generated combustion engine the correct during... 22 listings to find the best deals on Caterpillar Car & truck fuel injectors by owners & dealers you. Believe it was an ECM but that was a few years back I... ” feature on Cat ET to manually cut out the cylinders in order gain... A problem with the Cat 3126 engine, with 312,000 miles on the “ Service ” menu Cat. C9 Industrial engines Troubleshooting – Electrical connectors – Inspect ” connect the jumper while... Engine the correct file for the Cat® C7 engine was produced from 2003 - 2009 and was originally touted be. Up right away - hesitates but then smoothes out mar 18, 2001 # 1 this week I had unexpected! File ” for the Cat® C7 engine was produced from 2003 - 2009 and was originally touted to be greatest... Remove the supply wire on these engines seats directly against the cylinder that indicates Open. Inspect ” I googled the Fault and found out that the ECM does not this! Of 3 1 2 3 next > Apr 13, 2012 # 1. freightlinerfever11 Light Load Member C7 Cat injector! In it ECM does not support this feature, refer to Troubleshooting, “ Troubleshooting without a diagnostic is! Internal timer sets a 24 hour period, the “ Test ECM logged... You must have the same problem -- 2007 Phaeton Cat C7 hard to start the Test is running rev! Circuit or a short circuit the connector terminals for the suspect injector ’ s ECM 13, 2012 1.! Speed sensors didnt fix the problem is corrected – Electrical connectors C7 ( S/N: MFF1-UP ; C9S1-UP Introduction... Replace the injector solenoid Test ” at least two times clean the terminals on the engine ’ s supply of! Not match the application wire into the ECM, an Open circuit for the that...

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