cat c15 injector harness problems

After locating the No. A number with a UPC code. It's definitely a true Detroit Diesel design though, more moving parts than you can shake a stick at. 5.0 out of 5 stars 1. Been back to the dealer, they can't find anything, no check engine light. Schematic for the engine speed/timing sensors. View This Post. CAT HMI & Open Interface Panels. Easily find what you need from 2,274,646 parts available. The blowing of compression by the injector sleeves willblow by the orings and burn the o/rings and let air into the cylinders and will show up as air to the fuel tank. I did have one tractor lose a rod bearing at 424,000 miles, was right after I started with the company.The manager at the Detroit dealer that they towed it to said there was a numbers group that all did it between 400,000 and 450,000, not enough of them for an active recall though.Just pull it and stuff in a reman under warrantee. The engine uses two engine speed/timing sensors. I dont envy the shop manager.We have room for six tractors and one trailer in the shop.We have 6 mechanics that work steady from beginning to end, no problem getting overtime, the young ones work 7am to 10pm some days, plus a yard guy in a service truck who does just trailer problems, plus one road guy who runs a big service truck around to the mills and drop yards 5 days a week fixing drop trailers that might not see the yard for months.Weve got 350+ tractors at 4 different terminals, 70 are based out of our shop.Weve got 1,200+ trailers, at least 100 parked at the shop or the two closeby yards at any given time.14 of the 70 tractors are local tractors, home every night and looking to get something fixed every day cause they are the oldest trucks in the fleet.Most any driver from any other terminal ends up in our part of the state if they bring a load into New England, so we do work on alot of trucks from other terminals that have already loaded a backhaul and have a problem or need a service as they are coming thru.He stays pretty busy riding herd on all of it, not often that he has a slow day, kinda like trying to herd house cats,lol.He tried to talk me into getting out of the truck and coming into the shop, but at the pace they run taking that slot would be kind of like a self inflicted wound,lol.John. I just had a cat dealer put new harness in on 7/10/12 turck went 600 miles. 3,775 satisfied customers. Cat , Peterbilt and our shop would'nt do anything....said " lights coming on ? " 1 cylinder is at the top of the compression stroke. This is done in order to ensure that Cat ET does not reset. The ECM measures the time between the pulses that are created by the sensors as the gears rotate in order to determine rpm. The problem may occur when the engine is at any operating temperature. The code is logged. The engine will shut down only if the signals from the primary engine speed/timing sensor and the secondary engine speed/timing sensor are abnormal. B. I think some equipment manufactures will continue to use the Series 60 for a while yet, until they are forced to change when the emissions catch up. Result: The resistance measurement for the sensor is within the specification. Illustration 1 g01199875 The actual timing and duration of each injection is based on engine rpm and load. It might be, but you might be surprised to find out that individual components within the cylinder head could be the cause of your issues. C. While the engine is cranking check the status of the engine speed/timing. Make any necessary repairs. I remenber when that engine first came out we had to weld some lines together to get the truck back home because non was out in the parts invetory yet. The only big thing Ive seen in the last three years is a recall on one run of serial numbers for a liner update.We had 43 trucks fall in the right number range, all had to go in for new liners.Basically all got inframed for an out of pocket deductable of around $400.00.Not bad, except for the downtime.Mine was done last year, had new nozzles at that time.Truck was set for 1,650 rpm in all except high gear, fleet manager read a white paper showing how much fuel 1,650 would save him across the board, decided to try it fleet wide.Never driven a truck in his life, believes whatever the factory spews out as "research".Most have been reset to 1,850 after experiancing lots of low speed problems,like my one year old carboned nozzles.Had an increase in turbo losses, increased oil consumption,ect..Even had some driveline issues from full throttle uphill upshifts with heavy loads, 1,650 dropping to 1,150 just wasnt cutting it, broke a few clutches, though part of that might have been driver anger management issues,lol. Home; FORUMS. Proceed to Test Step 7. No. While the engine is cranking, verify that the sensors show an acceptable cranking speed. Turn the keyswitch to the ON position. The 60 will still be in production but not for on road applications from what I understand. operating temperature. Used C15 Acert Injector Harness, Type: Front Injector & Brake Harness. Save my name, email, and website in this browser for the next time I comment. Get it as soon as Wed, Nov 11. So the engine still has the same mechanical parts and problems that older engines have so guys should not forget that. The loss of the signal from both of the sensors during start-up will prevent the engine from starting. What is the engine number and arrangement number? item 1 CAT - C15 - Fuel Injector Harness - Used - #425-6526 1 - CAT - C15 - Fuel Injector Harness - Used - #425-6526. $199.99. I have big problem with my Cat C15 truck engine, about aftertreatment. 2. and Scarbourough,Me., good guys, pretty sharp.If its under warrantee, and they find something, he wont be out of pocket on it.John. However, the problem is more likely to occur when the engine is at the normal operating temperature. 15 in Length Reclosable & Zipper Bags. 2004 Caterpillar C15 (Stock #FR-0407-17) Engines & Engine Parts / Wiring Harnesses. Troubleshoot any diagnostic codes that may be present. I run the same kind of terrain … However, if the signal from the secondary engine speed/timing sensor is not present during start-up the following conditions may exist: The engine will start and the engine will run when only one sensor signal is present from either of the sensors. Inspect the housing for a cause of the sensor damage. Search Search. B. Crank the engine for 5 seconds. Cat Man. Monitor the battery voltage. Last Friday...I finally had it. Your email address will not be published.   John. i've been having a problem like that every thing ck out good change injector harness seem to be ok , but have not road tested loaded. Facts, Faults, and Features. F. Perform a 45 N (10 lb) pull test on the harness wiring. All of the twin turbo ACERTS except the latest design with the exhaust spark plugs, run very hot oil and coolant temps even driving unloaded. Under normal operation, the secondary engine speed/timing sensor is used to determine timing for starting purposes. Search Results for Cat c15 Engine Wiring Harness on HeavyTruckParts.Net. Oil looks ok on the dip stick but this is on the front axle under the breather tube. A lower reading means there is excess resistance in the wire somewhere. Problems That Require Diesel Engine Cylinder Head Components for CAT C15. Resistance: 75 to 230 Ohms, E. For the secondary engine speed/timing sensor, measure the resistance between terminal 2 (secondary engine speed/timing +) to terminal 1 (secondary engine speed/timing -). There have been some issues with the wiring harnesses on some of the twin turbo C15's as well. Illustration 2 g01180490 Verify that the bracket securely holds the flanges of the sensors flush against the engine. Expand search. C13, C15, and C18 Engines Troubleshooting – Speed Control – Test, C13, C15, and C18 Engines Troubleshooting – Variable Valve Actuator – Test. Secondary Engine Speed Sensor : Abnormal Frequency, Pulse Width, or Period. Look for these codes on Cat ET: Replace the sensor assembly. Also seems to be running hotter, the fan clutch is engaging alot, even on a cool day like today. Resistance: 600 to 1800 Ohms. We had two hear that had poor crimps from CAT and caused quite a few runability problems with no codes or at least very few codes. 1-855-878-2967. in good conditions. With the OEM connector disconnected at the ECM, jump power one at a time from pin 4 and 6, through a headlight bulb, then ground the headlight to make it come it on. C. Monitor the “Engine Starting” screen in Cat ET. The engine will shut down only if the signals from the primary engine speed/timing sensor and the secondary engine speed/timing sensor are abnormal. Caterpillar C12 Engine Wiring Harness. The two sensors are not interchangeable. If the sensors are replaced, a timing calibration is not necessary for the engine. Terminal locations at the connector for the speed/timing sensors. If the bracket is bent or if an obstruction is preventing the sensor assembly from being installed correctly, the engine will not start. Login/Sign Up Account Management. Verify that the problem is resolved. no dealers can fix the problem. I need help. Caterpillar Engine Expert. Some times you could braze the line and some times you would braze them were they had brass inside and it would not work. Replace the sensor and the sensor harness connector if there was debris and/or corrosion. B. Measure the voltage between terminal 2 and a good engine ground. Save . Results: OK - The injector may be faulty. The ECM uses the pattern of the pulses in order to determine the position of the crankshaft. Is your cylinder head failing? Inspect the housing for a cause of the sensor damage. B. Result: Cat ET does not display “Short” for the solenoid with the jumper wire. My current engine serial is SDP 19059 1.Can i winflash with any flashfile without control aftertreatment? Only 3 left in stock - order soon. I looked for numbers on the engine and all I saw was on the left side on the back head. I just had a cat dealer put new harness in on 7/10/12 turck went 600 miles. (02-23-2016, 06:50 AM) crackup13 Wrote: hi,i'm not much help but do a high idie cut out , if that ck good u might need to change injector harness. Free shipping on many items | Browse your favorite brands | affordable prices. Can look right though to the other side. Thanks for the replies. Turn the keyswitch to the ON position. Proceed to Test Step 7. Repair the appropriate harness wiring or replace the appropriate harness.. I did look between the charge air cooler and the radiator and can't see anything in there. Thank alot. Result: There is not an active diagnostic code and there is not a timing pattern that is “Not Detected”. GUIDELINES; More. The shop manager claimed he ran the balance test with no out of spec results, but he might not have, or he could have misremembered which truck he ran it on.That mercedes is a nice little engine for a foreign job, has a few odd features like having to pull it out of frame to get the cam out cause it was designed for european COEs.Ive heard the ECM has some good features.One thing I dont like about it is that it doesnt time stamp the faults, just list them in order.Makes it tough to track an intermittant electrical sometimes if you cant match the fault to when the driver said it glitched. The mercedes 450hp powered Freightliner that Ive been running for the last 3 months has had a few problems since I got into it.Slightly rough at idle with a little rise/fall lope, slightly lower fuel mileage, quicker to heat up and throw the fan on on any grades, and a little less holding power on the long grades, but no codes.After 3 years with this outfit Ive gotten to know this engine and how they should run, and this one just wasnt right.After bugging the overworked shop manager for the last couple of months I finally talked him into a new set of nozzles.They were carboned up,probably from excessive low speed running since the fleet is governed at 67mph, which works out to 1,500 rpm.Problem cured, runs like a different truck.The nozzles are just like on an older Cat or Mack, just fuel nozzles mounted in the head with no way to electronicaly monitor them.Service managers have gotten waaaay too dependant on the ECM to tell them whats wrong.Theyve forgotten how to troubleshoot the mechanical end of things. Troubleshoot any active diagnostic codes. Print out this thread and show it to the Boss.Hopefully he will authorize a little digging at Southworth-Milton  Ive used their shops in Milford,Ma. Know Your Engine. By John Woge - Friday, August 28, 2009 1:05 PM: Mike, I have been bitching and complaining for TWO summers over the same symptoms. If the engine is running and the signal from the primary engine speed/timing sensor is lost, a slight change in engine performance will be noticed. You may also like. Email Seller. Result: The sensor and/or the sensor assembly has a mechanical problem or the harness has debris and/or corrosion. B. Truck is at a cat dealer with a bad front harness on 7/11/12 Cat ET will display “Open” when the P2 connector is not connected to the ECM.The problem is in the injector. Air to the pump is what ever, down stream from the tank. John how many injector lines have you broken? Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- You may also like. D. Verify that the bracket is not bent. One of the tractors I drive at work has developed a problem. They should all be around 12 volts. C. Inspect bracket (3) . Verify that the problem is resolved. Perform the following procedure for each sensor. The engine may require a slightly longer amount of time to start up. The change will be noticed when the ECM performs the changeover to the secondary engine speed/timing sensor. no dealers can fix the problem. Wait at least 30 seconds for activation of the diagnostic codes. The primary engine speed/timing sensor is then used to determine engine speed and the signal from the secondary camshaft sensor is ignored. There is a problem in the harness wiring. Do not switch the positions of the sensor. Disconnect the engine harness from the sensor. engine to cab. Thanks. Loosing the signal from both of the sensors during engine operation will result in the termination of injection. Replace the sensor assembly. The default will occur if a valid signal is not received from the primary engine speed/timing sensor. CAT C15 Diesel Fuel Injector Problems. If the engine was running before removing the sensor, reinstall the sensor. 3d 1940 A5E2v1 A5E2v2 acert ADEM V aftermarket automobile bondurant brand c8.7 c13 c15 carbon caterpillar classic parts dealer defects ecm engine Engines fast moving parts foundamentals fuel Games gazogene henry ford heui injector job caterpillar lawless marine memory novel numeralkod poppet valve RINA safety Service Information System Technology testing video virginia welding yellowmark CAT Fuel Injectors. We dont have the two stage engine brake/exhaust brake, just the standard equipment exhaust brake/woodstove flapper.Works better than nothing, but no comparison to the Jake on the ISXs in our binders.Had alot of broken return springs on the actuators, flapper sticks closed and leaves you dead in the water till you open the hood and hammer the arm back.Most of our drivers just call for road service, cant be trusted with a hammer anyway,lol. I'll second this. Result: The resistance measurement for the sensor is not within the specification. $130.99 $ 130. The voltage is 3.0 ± 0.2 VDC. 2006 c15 catipillar injector harness Posted: Sun Aug 31, 2008 9:13:42 AM. compactor (Customer) asked a question. B. There have been some issues with the wiring harnesses on some of the twin turbo C15's as well. Check the sensor tip for any damage. Return the unit to service. 9U-6891 -- for CAT Caterpillar C10 C12 C15 C16 C18 3406E Injector Tube Sleeve Cup Remover Installer Set. Problems like yours are wiring related 99.99% of the time. Also use this procedure if a problem is suspected with the secondary engine speed/timing sensor. The engine may run rough for a few seconds until the ECM determines the proper firing order by using the primary engine speed/timing sensor only. most of the time with the fan running half the time, and on hard pulls.....I've been sitting there holding my breath.....just on the verge of warning lights coming on !!
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