What is the fault code for a Cummins M11 engine?

Just select your engine to see descriptions of each fault code for your particular Cummins ECM. Celect Codes – Includes N14, M11 & L10 engines up to 1995.

Can a fault code still be active on a Cummins?

Due to new OBD2 compliance, codes no longer have to be active or inactive. Codes also can be “pending” and also show active even after the problem is repaired. A certain amount of “drive cycles” may be needed to clear a code from the active status. This has also resulted in a major increase in the number of fault codes present in the Cummins ECM.

What is the fault code for a mid 128 engine?

Engine ECU Faults (MID 128) Fault Code Description FMI Codes MID 128 PID 26 Engine Fan Speed Percent 3,8 MID 128 PID 27 EGR Valve #1 Position Sensor 3,4,5 MID 128 PID 45 Preheater Relay Status 3,4,5 MID 128 PID 81 Particulate Filter 0,2,3,5,12

How many digits are in a Cummins code?

Codes are becoming more “industry standard” in the numbering method, resulting in the original 3-4 digit Cummins codes having new SPN and FMI numbers attached. I’ll try to get an updated article on this soon further explaining this change.

Just select your engine to see descriptions of each fault code for your particular Cummins ECM. Celect Codes – Includes N14, M11 & L10 engines up to 1995.

When did the Cummins CELECT system come out?

The Cummins CELECT system was introduced in 1990 and used through 1994. This system was used on the popular N14 and M11 engines. There are 73 possible codes for these models, and all of them are covered in step-by-step Cummins Troubleshooting documents. Intake Manifold Air Temperature Sensor- Engine Protection

When did Cummins come out with the N14 engine?

First designed in the late 1980s it was sent into full production in 1991. The N14 engine is the follow up to the vastly popular Cummins 855 Big Cam which was produced 1976-1985. Cummins listened to it customers and designed a more powerful version of the 855 while maintaining a similar profile and bore/stroke architecture.

Why is my Cummins N14 CELECT Plus not grounded?

A common occurrence will happen when, for example, when the ECM shows a 111 or 343 code in an N-14 Celect Plus model. This means the ECM isn’t grounded to the injector. Usually this starts out with only 1 injector shown to be malfunctioning but can quickly spread to others.

What’s the difference between the Cummins 855 and N14?

Overall, the biggest structural difference between the 855 and N14 is the air-to-air cooling system changes but both engines are very similar. The N-14 was produced until 2001 and saw many changes over its 10+ year run for Cummins. The most radical change over the 855 was the incorporation of the electronic control module (ECM).

What should the gearing be on a Cummins N14 plus?

The gearing recommendations for an N14 Plus engine hauling up to 80,000 lb GCW are: For maximum fuel economy (mpg): Select a gearing combination (transmission ratio, tire revs/mile, drive axle ratio) that will result in approximately 1450 rpm at a 65-mph checkpoint.

What are the CELECT codes for Cummins M11?

This system was used on the popular N14 and M11 engines. There are 73 possible codes for these models, and all of them are covered in step-by-step Cummins Troubleshooting documents. Intake Manifold Air Temperature Sensor- Engine Protection Fuel Shutoff, Fan Clutch, Engine Brake supply Circuit Like Loading… Be the first to like this.

What is the fault code on a Cummins?

It sets fault code 3714 – Engine Protection Torque Derate – Condition Exists. The driver display says 25% torque derate in 3 hours. It starts to count down, but never goes 3 hours until it clears itself. It has not actually derated. It does not set any other fault codes to tell me why it wants to derate.

What kind of fuel system does Cummins N14 use?

The N14 Celect was the first Cummins engine to feature an electronic injection system. The Celect fuel system produces systematic pressure throughout each injection cycle unlike the common rail fuel system of the 855, or older M11 or L10 models. Albeit the injectors are still cam actuated the ECM controls the metered flow of fuel to the injectors.

When did the Cummins N14 Big Cam come out?

The N14 engine is the follow up to the vastly popular Cummins 855 Big Cam which was produced 1976-1985. Cummins listened to it customers and designed a more powerful version of the 855 while maintaining a similar profile and bore/stroke architecture.

What does a yellow warning light on a Cummins Engine mean?

A yellow warning light (WARNING) indicates the need to repair the malfunction as soon as possible. Red color (STOP) must be understood as a stop signal. It indicates the need to turn off the engine at the earliest opportunity and leave it turned off until the fault is rectified.

What does maintenance lamp mean on Cummins Engine?

It indicates the need to turn off the engine at the earliest opportunity and leave it turned off until the fault is rectified. The MAINTENANCE lamp does not indicate an error; it simply notes some technical aspects: water in the fuel filter, low coolant level, high coolant temperature, high air temperature or high oil temperature.

Where is the pressure sensor on a Cummins M11?

The intake manifold pressure sensor is located at the back of the intake manifold. It should be a 3 wire sensor. Is this the sensor you are talking about? Your truck is 15 years old, the engine wiring could also be the problem.

How to troubleshoot a problem with a Cummins Engine?

To follow the diagnostic procedures for your Cummins engine you need to connect to Cummins insite. This will give you a different trouble code and the corresponding troubleshooting procedure for that particular code. Or you could continue guessing at the problem and spend lots more money than you already have until you hit the fault.

Why is my boost so low on my Cummins M11?

Your boost is low because the ECM is cutting back power until the 433 code becomes inactive. This is usually an electrical problem with intake manifold pressure sensor or related wiring. You said you replaced the sensor in the turbo.

Where can I find the Cummins Engine Identification Number ( EIN )?

Where can I locate the Cummins Engine Identification Number or Engine Serial Number (EIN or ESN) on my engine? The ESN is located on the engine’s dataplate. If you have a hard copy of an owner’s manual review the section titled “Engine Identification” this section will detail how to locate your engine’s dataplate as well as the ESN.

Where can I buy a Cummins engine manual?

Digital manuals for your Cummins engine product are located on QuickServe Online. Click the link below and follow the instructions to view the available digital manuals for your Cummins product. Learn more Hard copies of Cummins manuals can be purchased from your local Cummins certified service provider.

How to find the fault code for a Cummins Engine?

Cummins Fault Codes list for QSB, QSC, QSL9, QSM11, QSX15, QSK19, QSK23, QST30, QSK45, QSK60, QSK78 engines. To determine the malfunction, you just need to write out the fault code from the device in the cab and find the codes in the table by selecting your own engine type. Fault code (LAMP) SID, PID FMI. SPN.

How to tune up a Cummins M11 engine?

With the “A” valve set mark aligned with the pointer on the gear cover and both valves closed on the cylinder to be adjusted, loosen the adjusting screw locknuts on the intake and exhaust valves. Select a feeler gauge for the correct valve lash specification. Insert the feeler gauge between the top of the crosshead and the rocker lever pad.

What kind of gear does a M11 Cummins use?

Since 2007 I’ve been running a ’98 370/400 M11 in a T800 with a 13, 22.5 LP rubber and a 4.33 rear gear. It needs all of that rear gear to haul 80,000+ in the Adirondacks and the Poconos. You won’t be the first to arrive. Fuel mileage is pretty good if you can stay at 60 mph….

How do I adjust the valve lash on a Cummins M11?

The valve lash is not correct when a thicker feeler gauge will fit. Use the following steps if the engine is equipped with an engine brake. After adjusting the injector, valves, and engine brakes, if equipped, on the appropriate cylinder, rotate the accessory drive pulley, and align the next valve set mark with the pointer on the gear cover.

Are there any problems with the M11 Cummins Engine?

Oil leaks at the front accessory drive cover and at the pass through connector at the back of the head and at the oil pan and at the compressor mount. Only real problem was it had a sunken liner when we bought it and it took three head gaskets and two heads before we found the right mechanic. There’s worse engines.

Which is better a ACERT or a M11?

Still beats a ACERT or a DPF or a DEF IMO. Cetane+ Thanks this. Glasco,Ks. M11 is a great “little” motor, they are only 10.8 litre’s, they were never meant to be spec’d for constant 80,000 use, at least not at highway speeds.

What are the Probs of a Cummins truck?

Just a few small probs like valve cover gasket, compressor, Horton fan clutch and typical binder electrical stuff otherwise good stuff. Not the toughest kid on the block but it came to work everyday and yanked my tank. Been perfect with more gears and steeper rears.