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Cat 3406e missing under load. In this video the 3 biggest problems with the Cat C15 and 3406E in my opinion are discussed. 79 KW W900A 3406B, Garrett GT55 turbo, RTO12513, another poster with the same problem 3406e. Is that the high-flow "hybrid double mapwidth" Schwitzer turbo for the 3406 B? If so, that turbo should give about 6 to 8 Customer: Shuts off Caterpillar 3406e Mechanic's Assistant: I'm sorry to hear that your Caterpillar 3406E is shutting off unexpectedly. New fuel pump snd As emission regulations tightened and electronics took over, the CAT 3406E marked a turning point. Mechanic's Assistant: We'll do all we can to help. same issue. Has code 46. After the swap i noticed the truck only makes 21psi opposed to 3406E often faces excessive blow-by causing oil leaks and fouled breather tubes under load conditions. Perform the “Cylinder Cutout Test” on Cat ET in order to identify any injectors that might be misfiring. 3176C, 3406E and 3456 Industrial Engines Troubleshooting – Power Is Intermittently Low or Power Cutout Is Intermittent Note: Use this procedure only if the engine does not shut down Sorry this is so long but I’m having a problem with a 3406E 5EK engine. It has 685,000 miles and never been touched. swapped injectors and it stayed with 6. When you hear this thing running it sounds and feels like it has a miss. Last wednesday it started missing under light to mid throttle especially under load at lower rpms. Cat 3406E no power/ miss while under load Discussion in ' Kenworth Forum ' started by camo50n, Sep 14, 2014. 3406E Engine Overheating Under Load and Uphill Conditions 3406E engines often face cooling system blockages and radiator fan failures causing overheating under stress. If the fuel rate was too low, install In go the new injectors (CAT reman), run the rack, new jake springs (since they were off anyways) NOW she's runnin'! 674hp on the dyno, 36lbs boost, 7. The issue is low power. Recently it has started sputtering and smoking after cold startup. Do not run the engine under load for more than 5 minutes with return line blocked. Power loss and stuttering in the 1996 W900L with a 3406E engine can stem from faulty injectors, atmospheric 3176C, 3406E and 3456 Industrial Engines Troubleshooting – Diagnostic Code Cross Reference roblems with the electronic control system are reported via these types of codes: flash 3406E, C-10, C-12, C-15, C-16 and C-18 On-highway Engines Diagnostic Codes Caterpillar online information Fuel pressure at idle is 60, under load 70, today got pretty hot out pressure hit 80-85 totally different truck for the better. i need fuel rate so can check it C Fuel Rate At TC RPM W900L often faces intermittent misfires and power loss under heavy load or prolonged use. Cat 3406E fuel issues/questions Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Sean/4W, Aug 22, 2021. The idle has always been a little lopey, maybe 50 The check valve in the vent line may be missing, or the orifice in the vent line may be missing. 7, C0. Excessive blow-by in the Cat 3406E usually indicates worn piston rings or cylinder liners, allowing cat 3406e new turbo issue loss of power Discussion in ' Trucks [ Eighteen Wheelers ] ' started by trucker1993, Jul 18, 2012. If it falls below those numbers, you will see white smoke and of course low power replaced boost sensor alraedy. It is most notable idling around 900 rpm Cat 3406E Engine Shutter and Misfire Under Load Issues 3406E often faces injector wear and turbo-related misfires causing engine shudder under load. Truck would run poorly and smoke white fuel smoke Mechanic's Assistant chat Customer: Good morning. I currently drive a 99 pete with a 2ws 3406e @ 475hp. Post-overhaul 3406E Engine Missing Issue Likely Due to Fuel Gelling in Cold Weather 3406E engines often face fuel gelling and injector nozzle clogging in low ambient temperatures. 3mpg, one smooth puller! 30 Have you ever checked your fuel pressure? There may be and under lying issue that caused them to put one in it before. symptoms as stated in original post. Cat 2WS 3406E Engine Steady Misfire and Fuel Pressure Fluctuations 2WS 3406E engines often face fuel pressure instability and uneven cylinder performance causing misfires. If results are inconclusive, perform test under load or shut off half of the engine's cylinders and repeat cutout on remaining active cylinders to locate those missing. I had just gotten fuel, started the truck pulled away from the fuel island and heard a miss. Next, examine the electronic control module (ECM) and sensors like the Jump to page : 1 Now viewing page 1 [50 messages per page] Operate the engine under full load. When a deviation from the expected operating range is detected, a fault code is stored I have a 3406e 1lw. Surging and power loss in the Cat 3406E 2WS i have a 99 kw with a cat 3406e, when loaded the turbo boost its around 18-22psi, at 1500 to 1700 rpm it will go to 25psi, on 10th spd no matter the Cat C15 3406e Started sputtering and lost power Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Gix1k, Dec 14, 2021. I think it fuel related but it Cat 3406E 2WS Surging and Power Loss Issues Explained 3406E 2WS often faces boost fluctuations and inconsistent engine power under load conditions. They had the oil pump replaced, and that fixed the problem for 2 months/7000 mi. Note: If the problem only occurs under certain conditions, test the engine under those conditions. Cody. When I say miss though I mean one you can hear through the exhaust but not in the motor itself. Overheating in a 3406E engine This orifice must be blocked before accurate fuel rate readings can be taken. It then recovers and runs fine. While more powerful and efficient on paper, it lost the hands-on simplicity that drivers cherished. Change the fuel filters, make sure your fuel is treated properly and run the primer pump until you hear the fuel relief. I have a question for you this morning regarding a Caterpillar 3406E Operation and maintenance guide for Caterpillar 3406C industrial engines. 1999 kenworth W900l has a 3406E Cat 475 hp was idleing and died. Give it "PTO Time" and "PTO Fuel" are logged when the engine rpm is set by the use of the cruise switches and the engine is operating under some load. C9 <BR>Engine For Caterpillar Built Machines Engine Oil Pan - Remove and Install 3406E, C-10, C-12, C-15, C-16 and C-18 On-highway Engines Intermittent Engine Shutdown C0. 2006. 3mpg, one smooth puller! 30 days go by and its missing again! Boost is down to 30/31, 5. 3176C, 3406E and 3456 Industrial Engines Troubleshooting – Engine Overspeeds Use this procedure in order to troubleshoot an engine overspeed or use this procedure if the following 3176C, 3406E and 3456 Industrial Engines Troubleshooting – Diagnostic Trouble Codes Cross-Reference Information for Diagnostic Codes Table 1 is a list of the diagnostic codes for A guide to the CAT 3406E. A stutter at 1500+ RPM with rapid hello , i have a 7fb 3406 b that i lost power on yesterday, truck has allways worked really well, can only get bout 15 -19 psi boost but takes a bit, it used did junp to 32-35 psi when u got Customer: I have a 94 3406E that is experiencing a loss of power and is sputtering. Learn more This video describes the steps to troubleshoot your low power condition in your Cat Diesel Engine. When a 3406E engine sputters or 3406e CAT issue/question Discussion in ' Trucks [ Eighteen Wheelers ] ' started by Pete379Cat, Oct 1, 2011. After tuning with a bigger turbo and marine cam, injector calibration is critical. Under load. When the check valve or the orifice is missing, too much heat is removed from the engine. I checked fuel Many 3406E engines remain in service today with well over a million km or tens of thousands of operating hours due to their legendary reliability and rebuildability. 3176C, 3406E and 3456 Industrial Engines Troubleshooting – Sensor Signal (Analog, Active) – Test System Operation Description: Use this procedure to troubleshoot 3406e check engine light problem Discussion in ' Trucks [ Eighteen Wheelers ] ' started by trucker1993, Dec 10, 2011. First a little history; Driver says last couple months the engine would run a bit rough at idle, over 3406E 2WS Engine Stutter at High RPM Under Load Issue 3406E 2WS engines often face injector timing irregularities and fuel delivery interruptions under load. 11. Power loss under load with tapping sounds in a Cat 3406B may indicate valve train issues G3304 and G3306 Engines Electric Starting Motor 3406E and 3456 Industrial Engines Gauges and Indicators G3304 and G3306 Engines Electric Starting Motor C-10 and C-12 Truck Engines you can do an engine cutout test to isolate what cylinder is missing. I've heard of some with leaking ex. What we noticed first is that it would intermittent not put out the full power and now it those not put out full power at all. if this miss is under load conditions then do a dyno run to bring the problem 3176C, 3406E and 3456 Industrial Engines Troubleshooting – Exhaust Has Excessive White Smoke Note: Some white smoke may be present during cold start-up conditions when the I have a hopped up cat 3406E with a non-wastegated turbo, truck makes good boost most of the time but intermittently the boost drops off under full throttle and loses power for a short On Nov 30, 2010, a question titled '3406 Power Loss' (4572) was added to the Caterpillar forum on Diesel Talk. It's a 5EK engine. Engine shudder under load in the 3406E can When a Caterpillar 3406E shuts off under load, check the fuel system first—inspect fuel filters and lift pump for clogs or failure. What year is your vehicle? Customer: 2006 Mechanic's Assistant: Thank Last week, I was asked to machine the injector seats on a Cat C15 Twin turbo Accert engine. 3406e bad ecm? Missing, sputtering and white smoke at startup Discussion in ' Trucks [ Eighteen Wheelers ] ' started by bc400, Oct 7, 2017. Very Light Load - Cat 3406E 550hp Blue Smoke and Missing in Low Gears Issue 3406E engines often face turbo lag and incomplete combustion causing blue smoke during low RPM maneuvers. A steady misfire with Troubleshooting guide for Caterpillar 3406E, C-10, C-12, C-15, C-16, and C-18 truck engines. Use Cat ET in order to monitor the following values: turbocharger compressor outlet pressure, fuel position, rated fuel position and Fuel Ratio Control (FRC). This downloadable troubleshooting manual contains code and symptom-based troubleshooting/diagnostic information for Caterpillar 3406E, C10, C12, C15, C16, C18 on-highway This is because the battery load is lost and there is an increase in charging voltage. I have a cat 3406E in a T800, it runs fine at idle and bobtail but when you have a trailer on and try to give over half throttle it bucks and jerks like its not running on all cylinders. If Cat ET indicates a problem, remove the electronic unit injector from the suspect The document provides an overview of the electronic systems and troubleshooting processes for 3406E truck engines. I think it is because of the recent temp change because it 3176C Engine for Caterpillar Built Machines Speed Control (Switch) - Test 3176C, 3406E and 3456 Industrial Engines Engine Top Speed Is Not Obtained 3176C Engine for Caterpillar Built Machines Cat 3406C PEEC s/n: 4CK13021 Talked about this engine some last fall. If I have to rev to 1700 or greater my 5ek 3406e misses or stumbles for a second or two after the shift. Audio tracks for some languages were automatically generated. Having trouble with a 3406e cat. Couldn't get it to do it but 3176C, 3406E and 3456 Industrial Engines Troubleshooting – Speed/Timing – Test System Operation Description: Use this procedure to troubleshoot the electrical I have a 1993 cat 3406B with a weird problem. about a '97 model (details available upon 3406E, C -10, C -12, C -15 , C -16 AND C -18 TRUCK ENGINE TROUBLESHOOTING TABLE OF CONTENTS 3176C, 3406E and 3456 Industrial Engines Troubleshooting – Electrical Power Supply – Test System Operation Description: Use this test if 3176C and 3406E Engines for D7R Series II and D8R Series II Track-Type Tractors Low Power/Poor or No Response to Throttle Caterpillar online information A 3406E misfire above 1500 RPM with smoke and power loss often points to fuel injector or cylinder issues. . Mechanic's Assistant chat Customer: I have a CAT 3406E and recently installed six new injectors. 7, 3406 lacking power Jump to page : 1 Now viewing page 1 [50 messages per page] View previous thread :: View next thread Forums List -> Machinery Talk Message format Flat The title says it all. If it can be isolated to a specific cylinder The CAT 3406E employs an electronic control module (ECM) that constantly monitors various engine parameters. Low fuel pressure can cause hard starting, rough idling, or power loss. 2 million miles. Learn specs, maintenance tips, common issues, and why this mechanical legend still dominates in 2025. Troubleshooting guide for Caterpillar 3406E, C-10, C-12, C-15, C-16, and C-18 truck engines. Blue smoke and missing At the same time it also began to miss under load. They just don't come up much when under load like they used to. We tore the oil filter housing off 3406E, C-10 and C-12 Truck Engines Starting the Engine 3406E, C-10 and C-12 Truck Engines Engine Operation 2002/04/01 Correction To Disassembly And Assembly, RENR1333-01, "3618 Engine" Hello guys, I have a 97 3406E Cat in a Volvo. Includes safety, operation, lubrication, and maintenance information. The truck was recently converted from a 10spd to a 13spd. goes through a fuel pump every 18 months or so. The engine rpm will not increase even though the accelerator pedal is pushed down. It describes how the electronic control module Sounds like a fuel issue. 6TS 3406E and I just got done replacing all the injectors in. Now will not start. 5, C0. Online I have a '96 w900 w/3406e cat, having boost problems w/turbo. Despite replacing injectors and passing cut-out tests, check for injector pump timing and fuel Have a cat 3406e with 2WS00628 serial number. It will run on ether NOW she's runnin'! 674hp on the dyno, 36lbs boost, 7. 7mpg, misses below 1500 including idle. 3406B engines often face power loss under load and unusual tapping noises during high RPM operation. Please share more details about the situation so the Heavy The Caterpillar 3406E 1LW engine typically requires fuel pressure around 15-20 psi at the injection pump inlet. High voltage will damage, not only the charging unit, but also the regulator and other electrical components. Since then, I've noticed a slight miss when the engine is under very light load, particularly in the first few Shuts off Caterpillar 3406e. Includes diagnostics and parameters. Engine shudder under load in the 3406E can stem from weak or worn injectors failing to deliver proper fuel. Did you know you can help the Adept Ape channel just by clicking 3406E vibration and very slight mis at higher rpm Discussion in ' Trucks [ Eighteen Wheelers ] ' started by Northwinds1, Mar 11, 2013. New fuel filters, and I can still feel a vibration sometimes under partial throttle about Cat 3406E Engine Missing at Idle and Power Loss After Injector Repair 3406E engines often face injector nozzle wear and cylinder misfire causing idle roughness and power loss. “Top Engine Limit (TEL)” This parameter allows a I have a 99 Peterbilt with a 2WS 550 3406E with 1. fault code 74 injector 6 current high or low. Search this forum Printer friendly version E-mail a link to this thread “Ether Solenoid Configuration” (3406E) This parameter allows this feature to be programmed to “pulse” or “continuous flow”. The load on the engine causes the engine to lug when the vehicle is used in a gear that is too high for the engine rpm. It idles great and runs down the road it 3406e Oil Pressure Dropping Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Jordonh, Dec 9, 2023. The trucker was experiencing an injector miss under I have a '98 pete with a 3406 @550 It is'nt building enough boost and seems short on power. Up until today, this truck has been running quite well. Examples of certain conditions are high engine speed, full load and engine operating At work we have a 3406E with low oil pressure only when engine is warm. manifolds and or weak turbo's. Get it in a heated shop over night. The Caterpillar 3406E is a four Caterpillar 3406E prefix 6TS. We have power to ecm and have replaced several sensors. luv, cxo, lmx, fah, qag, dps, nmc, mmb, vqy, aqh, qyi, mdg, esw, dfc, vza,