Detroit 60 series starting problems

Reinstall the SFT Sensor, refer to the Series 60 Service manual (6SE2007), fuel system chapter. Analyze the measured fuel pressure readings. If the fuel pressure is within specification listed in Table "Fuel Pressure (DDEC VI with Regulator)" , check for high fuel temperature return; refer to "12.5 High Fuel Temperature Return" .

Today we end up replacing the jake brake solenoids on the series 60!Tik-Tok - @TruckerAKSnapchat - @TruckerAKInstagram - TruckerAKFacebook - TruckerAKEmail ...I had similar problem with my truck(05 Columbia/Detroit engine/10 speed) . The jake breaks would work intermittently. The first time it was in the repair shop the guy replaced Micro switch and relay. But It turned out to be the engine oil sensor. The repair shop replaced it with a new one and jake break works fine now. Hope it helps.Series 60 DDEC V Troubleshooting - Section 58.2 Troubleshooting Flash Code 56, SID 250/Fmi12. ... If the disconnect does not solve the problem, continue the procedure. ... Connect vehicle interface module, J 41005. Start and run the engine. Observe CEL/AWL codes. If CEL/AWL or codes displayed, and the CEL/AWL is on with code 250/12 logged ...For the last several weeks if I turn the truck off for several hours I will have to crank the engine over by holding the ignition key to the start position for about 2+ …1.Start and run the engine until normal operating temperature is reached. Stop the engine. 2. Disconnect the batteries. 3. Disconnect the fuel pump feed line from the fuel tank. Place a suitable container under the line to catch the spilling fuel. Turn the 1⁄4 turn valve off on the outlet fitting of the secondary fuel filter.If you’re having trouble with your Detroit Diesel® Series 60 engine, here are some troubleshooting tips to help you get it running again. 1. Check the fuel system. Make sure the fuel filter is clean and the fuel lines are free of any blockages. Also, check the fuel pressure and make sure it is within the manufacturer’s specifications.Detroit diesel 60 series problem Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by GNVTrucking, Feb 12, 2019. Page 3 of 5 < Prev 1 2 3 ... Some times simple VPOD's cause a ton of power loss and the old school folks automatically start thinking it's injectors, turbos and all sorts of major components. ...hey buddy i have a 95 pete with a detroit ser 60 DDEC 2 , i have starting problems it will not start without a sniff of ether,when it starts first thing in the morning # XXXXX cylinder dont fire after about 6 min. they fire and run fine changed # XXXXX 2 injectors checked the o-rings replaced the check ... I have a series 60 detroit, will not ...

11 Jul 2023 ... Detroit 60 series common problem. S60 issues/How to save diesel engine detroit 60 series,detroit diesel series 60,detroit 60 series rebuild, ...Perform a crankcase pressure test and record the test results. 2. Disconnect the air outlet line from the air compressor; 3. Repeat step and record the test results. 4. Compare the results of test one with test two. If the engine crankcase pressure remained the same, check the turbocharger; If the engine crankcase pressure decreased, replace ...Still no start. Sprayed starter fluid in the air intake and it starts right up and runs as long as you keep putting starter fluid in. Seems like something has the fuel shut off. This is a 2005 freight liner with a 14 liter engine, Detroit 60 series. When you turn the key on all the instrument gauges sweep to the right and back to the left.Refer to "9.2.2 Removal of Alternator" . Remove the drive belt auto tensioner assembly from the mounting plate on the gear case cover. Remove the mounting plate from the gear case cover. Drill a 0.425 in. diameter hole on the left side of the mounting plate and thread with a 1/4 in. NPTF - 4FF tap.Common problems of a 60 series Detroit Engine. As we have mentioned earlier, the Detroit series 60 is a very reliable engine. But as the age of the engine, some of them face issues over time. The most common issues a series 60 may have are-Starting Issues: The series 60 engines mainly face starting issues in cold temperatures. The engines may ...Location: cayucos, ca. Posts: 1,299. 60 Series Detroit Diesel problem. Our coach has a 60 Series engine. When the engine has not been run for a couple of the days when cranking over, the engine it cranks rather slowly. but it does start and has never left us stranded. However when the engine is warm it cranks rather quickly and starts quickly.WARNING!!: ⚠️⚠️⚠️Always use the proper tools and safety equipment to perform this job. Failure to perform the job correctly can result in personal injury or ...

Series 60 - Section 1.27 Thrust Plate Perimeter Seal; Series 60 - Section 1.24 Gear Train and Engine Timing; Series 60 - Section 1.25 Compact Gear Train and Engine Timing; Series 60 - Section 1.26 Camshaft Gear Assembly Series 60 Exhaust Gas Recirculation (EGR) Model; Series 60 - Section 1.22 Connecting Rod301 Moved Permanently. cloudflare1.Start and run the engine until normal operating temperature is reached. Stop the engine. 2. Disconnect the batteries. 3. Disconnect the fuel pump feed line from the fuel tank. Place a suitable container under the line to catch the spilling fuel. Turn the 1⁄4 turn valve off on the outlet fitting of the secondary fuel filter.I'll be assisting you with this issue today. Here is a pic of the timing marks 60 series. I hope this helps you. Wayne. My goal is to give you the best experience possible. I hope that I have earned a 5-star rating. found at the top of the screen before you leave today.

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If the basic mechanical checks fail to locate the problem, refer the Detroit Diesel Single ECM Troubleshooting Manual, (6SE497). Start by reading the "Basic Knowledge Required" section before attempting to diagnosis electrical faults.‪ ... Series 60 – Section 2.47 Impco Low Pressure Fuel Regulator for the Series 60G Engine High …Section 2.10Diesel Fuel Filters (Spin-On) Two spin-on type filters are used on the Series 60 engine. The first in the fuel flow is a strainer, and the second is a filter. Although they are not marked as such, the threaded sleeves that accept the cartridges are different sizes to prevent mismatching. The primary filter has a 1 in. x 12 thread.K. kenllah Discussion starter. 6 posts · Joined 2013. #1 · May 3, 2013. had a 12.7L series 60 with intermittent oil pressure. It would be goo then it would drop eng protection light would come on and truck would shut down. restart worked fine then would happen again random but often. This started immediately after new injectors were installed ...301 Moved Permanently. cloudflare

2000 volvo Detroit 60 series turns wont start Discussion in 'Volvo Forum' started by i&i, Sep 13, 2013 . Sep 13, 2013 #1. i&i ... Thanks fellas just got it to fire up and remembered someone telling me the Detroits have this valve problem in the fuel line on top and behind the engine in the dog house where it don't hold the fuel anymore when u ...Detroit 60 no start. Hey fam i have an issue with a detroit series 60 in a freightliner. I have replaced cylinder head and now the truck won't start. But it will start if i set ecm power harness to a battery separate from truck, and a live wire going from same battery to ignition wire at gem harness. It fires right up and sounds good.Jun 10, 2019 · Series 60 DDEC VI Troubleshooting – Section 4.13 Extended Crank Time; Series 60 DDEC VI Troubleshooting – Section 4.14 Crank No Start; Series 60 DDEC VI Troubleshooting – Section 4.12 Low Compression; Series 60 DDEC VI Troubleshooting – Section 4.11 Restrictive Air Filter; Series 60 DDEC VI Troubleshooting – Section 4.10 Aerated Fuel Filled up fuel now won't start -Detroit diesel 60 series Discussion in 'Kenworth Forum' started by Airman89, Sep 26, 2016. Page 2 of 4 < Prev 1 2 ... Yeah t has a 60 series Detroit in it. Only seems to do it when it's in 8/9/10 Airman89, Sep 28, 2016. Airman89, Sep 28, 2016 #20.Page 82: Service Publications. To purchase a copy of any of these publications, contact an authorized The service manual covering Detroit Detroit Diesel distributor in the U.S. or Diesel Series 60 engines is listed in Canada. Check the Yellow Pages under Table 18. Also listed are reference "Engines, Diesel"...Here is my problem I have a 12.7 detroit 60 series and it seems like it just doesn't have any power. The turbo whistle is very faint. I have a little bit of black smoke out of pipe when i accelerate onto the interstate. I had a brand new crate model put in 2008 and they didnt change the turbo. I believe this is the original turbo.Series 60 – Section 1.21 Piston and Connecting Rod Assembly; Series 60 – Section 1.17 Ring Gear; Series 60 – Section 1.18 Flywheel Housing; Series 60 – Section 1.14 Crankshaft Vibration Damper; Series 60 – Section 1.15 Crankshaft Pulley; Series 60 – Section 1.16 Flywheel; Series 60 – Section 1.13 Gear Case Exhaust Gas ...I have a detroit series 60 12.7 year 2001 freightliner classic I've changed all the fuel line the cam and crank censor one injector and o ring and still have problem starting it . it start good with a … read moreHaving problem starting Detroit 60 series 12.7l engine, head gasket was replaced. I had wayne from here assist me earlier. I have narrow it down to the injector not getting a signal. I the ecm check b … read moreDetroit Engine - Series 60. DDC Code # (Flashed) = 61. PID = S1. FMI = 0. Fault Description = Injector #1 - Response Time Long. #DESCRIPTION OF FLASH CODE 61. Flash Code 61 indicates that the time it takes from when the DDEC IV ECM requests an Injector be turned on to when the Injector solenoid valve actually closes is longer than the high ...

detroit 60 starting problems. ... i have a 98 volvo with a detroit series 60 . i have a starting problem .. it takes about 30 seconds to start up .. i have replaced the fuel lines from tank to fuel pump.. new fuel pump .. new check valve on back of the motor.. the starting problem happens when the motor sits for over 4 or 5 hours.. but stop and ...

They start to act intermittent when they go bad, then the issue will slowly get worse until the code comes and stays when the battery finally quits. ... I have a 2007 frtl century,detroit 60 series, same problem loss of power when climb a hill or passing, also MPG dropped to 4.67. I always get 6.89 with the same load and rout!1200. 70-80 (482-551) 1800. 84-86 (579-593) Verify your injector heights and timing by this chart. Injector timing. Ask Your Own Medium and Heavy Trucks Question. Also using a digital temp reader check for a cold or wet cylinder at the exhaust ports indicating a problem with that injector or cylinder. Daniel Wilson.I have a 2004 Freightshaker with a 12.7 EGR Detroit 60 Series with just over 800k Mi. For the last several weeks if I turn the truck off for several hours I will have to crank the engine over by holding the ignition key to the start position for about 2+ minutes before she'll start to slowly crank over but then she'll idle and drive just fine.1. Check the engine oil level. Low oil levels can cause a variety of problems, including poor performance, excessive smoke, and even engine failure. 2. Check the fuel system. Make sure the fuel filter is clean and the fuel lines are free of any blockages. If the fuel system is clogged, it can cause the engine to run rough or not start at all. 3.1. Effective with 6R56762, a manually operated fuel shutoff valve replaced a check valve. A PRO-CHEK ® valve may be installed at this location to remove air. ‪. 2. Effective with 6R8950, the ECM/EDU cooler unit was removed from all Series 60 engines used in on-highway applications. ‪. 3. Effective with unit 6R13060, a fuel system check ...Avoid installing valves (pressure regulator valves, etc.) in the compressor discharge line between the compressor, and reservoir or air dryer. The valves can trap water and lead to discharge line freeze-up during cold temperature conditions. The longer the discharge line length, the greater the potential for a frozen discharge line to occur.There are two major kinds of starting problems with a Ford Ranger: it won’t crank, or it won’t start. If it won’t start, the possible problems are a failed fuel pump or a failed cr...3533 posts · Joined 2009. #5 · Dec 31, 2011. You need 195 RPM and an SRS signal to start, If you can get a reader, it will have a section for SRS and while cranking it must go to yes, and the speed must be above 195. Some codes set to 255 counts and the engine will not start untill they are fixed.

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I have a no start probelm with a Detroit 60 series engine mounted in a Freightliner. It is throwing fault code 42 too few SRS (missing SRS), replaced SRS sensor, Checked wiring to sensor, checked power supply and ignition power. Everything OK but engine refueses to start, however it runs on starting fluid.WARNING!!: ⚠️⚠️⚠️Always use the proper tools and safety equipment to perform this job. Failure to perform the job correctly can result in personal injury or ...Series 60 Water Pump Parts. An impeller is pressed on one end of the stainless steel drive shaft. The other end of this shaft has internal threads, and a retaining bolt secures the water pump drive gear to the shaft. Two tappered roller bearing assemblies are used to support the shaft. An O-ring, located in a groove in the water pump housing ...Series 60 Knock Sensor. For knock protection, the Series 60 natural gas engines are equipped with a Knock Sensor and Signal Noise Enhancement Filter (SNEF) module. The knock sensor is located at the left rear of the cylinder head. The SNEF module is mounted on the left side of the cylinder block. The SNEF module receives electrical signals from ...I have a no start probelm with a Detroit 60 series engine mounted in a Freightliner. It is throwing fault code 42 too few SRS (missing SRS), replaced SRS sensor, Checked wiring to sensor, checked power supply and ignition power. Everything OK but engine refueses to start, however it runs on starting fluid.If it doesen't, or pulses, or jijjles a lot you have 1 of 2 problems. #1- you need a new V-pod, found at the lower RS of the engine block by the oil pan rail. crawl under and look for it. #2- the turbo actuator leaks air, or does …1. Place the red lead of a voltmeter to the solenoid “BAT” terminal. 2. Place the black voltmeter lead to the starter ground terminal, 3. Engage the starter switch. 4. View the voltage reading on the meter. If the voltage is less than specification while cranking the engine, replacement is necessary;Series 60 - Section 1.20 One-Piece Piston Assembly and Piston Ring; Series 60 - Section 1.21 Piston and Connecting Rod Assembly; Series 60 - Section 1.17 Ring Gear; Series 60 - Section 1.18 Flywheel Housing; Series 60 - Section 1.14 Crankshaft Vibration Damper; Series 60 - Section 1.15 Crankshaft Pulley; Series 60 - Section 1.16 ...Ran out of diesel, had to sadly squirt it quickly with ether.Detroit Series 60 problems. Tags detroit series 60. Jump to Latest Follow ... Tends to idle rough when first starting when its cold even though its plugged in. Smoothens out after a minute or two depending how cold and we are talking a lot of -20 and colder mornings this past winter. Idles fairly fast, around 900 to 1000 rpms until its … ….

Warranty. Every new Series 60 engine is covered by the following standard warranty: Engine: 2 years, unlimited miles, including 100% parts and labor. Accessories (if supplied by Detroit): 2 years, 100,000 miles, including 100% parts and labor. Major components: 5 years, 500,000 miles, including parts and 100% of Service outlet's normal charge.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...When checking fuel pressure, start the engine, run at the speeds listed in Table 12-3, and record fuel pressure. Shut down the engine. 4. Shut down the engine. 5. Remove the calibrated gauge from the fuel pump. 6. Reinstall the SFT Sensor, refer to the Series 60 Service manual (6SE2007), fuel system.Detroit Series 60 problems. Tags detroit series 60. Jump to Latest Follow ... Tends to idle rough when first starting when its cold even though its plugged in. Smoothens out after a minute or two depending how cold and we are talking a lot of -20 and colder mornings this past winter. Idles fairly fast, around 900 to 1000 rpms until its warmed ...There are more and more ways for the global elite to use going green as an excuse to splurge on luxury. There are more and more ways for the global elite to use going green as an e...Dec 9, 2011 · Jan 7, 2013. 0. Sounds like air is getting in somewhere and it lost prime. Check all connections for signs of leakage, like wet/damp fuel. Check all fuel lines, bend them and listen for cracking sounds, if the lines are hard and cracking, replace them. If you have a Davco, check the check ball in the inlet line. InvestorPlace - Stock Market News, Stock Advice & Trading Tips Today we will discuss three car stocks to buy as the North American Internation... InvestorPlace - Stock Market N...4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313-592-5800.Bisbell Discussion starter. 2 posts · Joined 2016. #1 · Mar 6, 2016. I have a 1991 Peterbilt 377 with a 60 series Detroit that won't start at all. It started out starting sometimes but when it did it had a gray smoke and sounded out of time but would smooth out after a second or two and ran great going down the road, to now it won't start at all. Detroit 60 series starting problems, Civil Superintendent. Dec 28, 2021. #1. We have a 01 Freightliner with a Detroit 12.7L series 60 engine in it that has suddenly lost all its power. The day before the issue started the truck ran great. It pulled one of our heavier pieces that we move ourselves, a Komatsu PC360, and was fine., 4. Start and bring engine up to operating temperature (over 140°F/60°C). 5. Verify operation is satisfactory and no warning lamps illuminate. If warning lamps illuminate, troubleshoot the codes. If assistance is required, call the Detroit Diesel Customer Support Center at 313-592-5800., i am having severe issues with my detroit 14L. DDL code is Soot level most severe level. After Forced regen starts it would get to about 450 deg DPF inlet , and 460 outlet. engine temp 185. doser valve never comes on, engine shutdowns. I installed a brand new DPF filter, Temp, and pressure sensors. still same issue., Won't work. The ECM is looking for sensors and readings to complete the running and power issues. If you need to eliminate the EGR then get an older engine and kinstall it in ylour truck. You might have issues with the EPA and the 'powers that be' if this change is done. 95 F250,XLT, 4WD, Auto Trans,bbshimmed,synthetic trans oil,4:10 gears ..., Yes the 60 series is considered one of the better engines especially when it first came out. The block, head and almost everything else are the same on the 11.1 and 12.7. The crankshaft has a longer stroke to get to 12.7 liters. So don't go thinking the smaller engine is weaker in design. mystic1582., Detroit 14L 60 Series Regen issues Discussion in 'Heavy ... This reset allows a regeneration cycle to be performed immediately after repair and hopefully before you start chasing this rabbit down the hole, thanks. JohnC123, Dec 15, 2018. ... 2018 pete 579 tail light problems Schnapple posted Apr 26, 2024 at 3:19 AM. Truck locking up trailer ..., Series 60 - STARTING DIFFICULTY - ENGINE ROTATES - EXTENDED CRANK TIME. There are no fault codes present and the engine finally starts after an extended crank time. 4.13.1 Fuel Level/Leaks Check…, 29 Jan 2022 ... Detroit 60 series common problem. S60 issues ... Starting a 2 Stroke Diesel ... ECU damage with rain water electronic problems engine does not start ..., Re: Help checking whether Jake Brake Solenoids are working Detroit 60/Prevost xl45. On a series 60 the jakes would be controlled by the ddec mounted on the side of the engine. I suppose you could find the pinout for your application and unplug the harness and test it that way. You need somebody with a nexiq or similar device to plug in and test ..., Always start and operate the engine in a well-ventilated area. If in an enclosed area, vent the exhaust to the outside. Do not modify or tamper with the exhaust system., Series 60 Knock Sensor. For knock protection, the Series 60 natural gas engines are equipped with a Knock Sensor and Signal Noise Enhancement Filter (SNEF) module. The knock sensor is located at the left rear of the cylinder head. The SNEF module is mounted on the left side of the cylinder block. The SNEF module receives electrical signals from ..., First things first get a DDEC 4 box program it to the original serial number of the engine you put in the 99. The engine serial number is below intake manifold on left side of block usually 06r0xxxxxx. I know all 60s look the same but they are not. It should run better now because the ecm is matched to the engine., Hi I have a Detroit 12.7L S60 engine, when the temperature is below 150F it runs well up to 2100rpm. As the temperature approaches 150F ,the engine gives out popping sounds and white smoke as you accelerate above 1500rpm.If you disconnect the intake temperature sensor , the popping sound stops and the engine runs well and even accelerate up to 2100rpm.We have replaced injectors with those from ..., Fuel Knock Problems. If you haven't modified the engine, then odds are that you've got some sort of fuel leakage in the cylinder. This fuel could come from a leaking injector, but it could just as well be an internal oil leak. The Series 60 is more than capable of using its oil for fuel, so oil leaking into the cylinder through bad seals or ..., Here is my problem I have a 12.7 detroit 60 series and it seems like it just doesn't have any power. The turbo whistle is very faint. I have a little bit of black smoke out of pipe when i accelerate onto the interstate. I had a brand new crate model put in 2008 and they didnt change the turbo. I believe this is the original turbo., Instruction on how to change your pers sensor located below the air compressor on it detroit 60 series 12.7 motor, Engine Cranks But Will Not Start. The following procedures will diagnose engine cranks but will not start. ‪. Section 20.2.1. Amber Warning Lamp. Check the CEL/AWL as follows:‪. Turn on the ignition …, The Detroit 60 Series engine is a popular choice for heavy-duty diesel applications, known for its power and reliability. ... Starting with the fuel tanks, they store the diesel fuel until it is needed by the engine. ... is essential to keep the fuel system in optimal condition and prevent any fuel-related problems. Key Components of the ..., Detroit Series 60 Engine Hard Start Discussion in 'Freightliner Forum' started by lhelmuth, Nov 30 , 2015. Page 2 of 3 ... I had a similar problem with mine and it turned out to be the cloth braided fuel supply lines from the tanks were rotted out just enoughto allow air into the system. $170 to have napa make some new hoses and an hour later ..., I had similar problem with my 2012 truck . I had leaking upper o rings of 3 and 4 liners. Detroit did my inframe under warranty because truck had 450k miles.. I was lucky coolant did not mix with oil. in this case crankshaft must be inspected. find a member 4vmach1 and ask him about repair. he is a detroit tech., Jan 7, 2013. 0. Sounds like air is getting in somewhere and it lost prime. Check all connections for signs of leakage, like wet/damp fuel. Check all fuel lines, bend them and listen for cracking sounds, if the lines are hard and cracking, replace them. If you have a Davco, check the check ball in the inlet line., 1995 Freightliner with a Detroit series 60. Intermittently losing Cruise control and engine brakes ( always both together). Driving down road and cruise will cut out, not related to bumps or pedals. Will randomly start working again, sometimes works for months at a time. Have replaced speed sensor, and inspected wiring., Mar 28, 2016 · I've replaced crank sensor, timing sensor, fuel pump, check and clean the fuel line with ball in line next to the fuel filter, new fuel filter, checked all fuel line for cracks. It won't even start with ether. checked fuses all good. , Series 60 – Section 8.5 DDEC V Varible Pressure Output Device; Series 60 – Section 8.6 DDEC IV Varible Pressure Output Devices; Series 60 – Section 8.3 Delivery Pipe; Series 60 – Section 8.4 EGR Rate Measurement System; Series 60 – Section 8.1 Tube and Shell Bolted Flange EGR Cooler; Series 60 – Section 8.2 …, My 2006 Freightliner Columbia Detroit 60 series having cruise control problem. The cruise has only working at an idle, - Answered by a verified Technician ... Hi sir I have 2006 freightliner Columbia highway truck Detroit series 60 14l engine problem is I changed transmission now problem start is truck rpm going up and down cruse control ..., K = DDEC III or IV. Customer Designation. 28 = Buses 1991 and Later. 32 = Underground Mining. 40 = 1991 and Earlier. 60 = 1991 and Later On-Highway Trucks. Need help identifying Series 60 Detroit Diesel engines? Check out our online Detroit Diesel identification charts. We also supply Detroit Diesel parts with online ordering., series 60 – excessive crankcase pressure – defective air compressor To determine if a defective air compressor is causing excessive crankcase pressure, perform the following: 1.Perform a crankcase pressure test, refer to appropriate service manual, preventive maintenance chapter and record the test results., Series 60 DDEC V Troubleshooting – Section 20.6 Diagnostic Request Switch Inoperative; Series 60 DDEC V Troubleshooting – Section 20.4 Amber Warning Lamp and Red Stop Lamp Fault; Series 60 DDEC V Troubleshooting – Section 20.2 Engine Cranks But Will Not Start; Series 60 DDEC V Troubleshooting – Section 20.3 Erratic …, Still no start. Sprayed starter fluid in the air intake and it starts right up and runs as long as you keep putting starter fluid in. Seems like something has the fuel shut off. This is a 2005 freight liner with a 14 liter engine, Detroit 60 series. When you turn the key on all the instrument gauges sweep to the right and back to the left., During the '60s, the trucking industry seemed to be a black hole for diesels to fill. The General felt fine-tuning was necessary and combined Detroit Diesel and Allison operations in 1970. Allison ..., pigfarmer82. Posted 3/30/2019 10:10 (#7409870) Subject: Detroit 60 series 14l turbo boost. north central Ohio. Only had truck a few months but lost boost pressure from turbo. Replaced sensor on intake and put reman turbo on as the bushing on actuator arm going into tutbo wore into turbo housing., Series 60 DDEC V Troubleshooting - Section 2.9 Defective Bypass Valve; Series 60 DDEC V Troubleshooting - Section 2.10 Defective Pressure Relief Valve; Series 60 DDEC V Troubleshooting - Section 2.5 Oil Pressure Gauge Line Obstructed; Series 60 DDEC V Troubleshooting - Section 2.6 Rocker Arm Shaft Plugs Missing (New or Rebuilt Engines Only), Detroit Diesel. 60 Series Engine 11.1 L. Troubleshooting. The chart below shows the most common questions asked by owners of Detroit Diesel® Series 60 11.1 Ltr engines when trying to troubleshoot why their engines underperform. It categorizes areas of possible malfunction, likely cause and recommended action to bring your new, rebuilt or used ...