cat c12 rough idle

Started my 2003 KSDP with 330 HP Cat. It runs rough at idle. 3126B this morning for a trip across the state to visit my sons college. The Caterpillar C12 is a 732 cubic-inch, diesel, air-to-air cooled engine, 12-valve engine. If you're experiencing a rough idle in an older vehicle with a carbureted engine, the process is a little different. Then you should check all the vacuum hoses — a leaking hose can cause a too-lean mixture and a rough idle. any help would be appreciated. J. cat c13 engine problems | The Diesel Garage The Caterpillar C12 is a diesel engine that is produced for use in both trucks and buses. C12 Cat. Erratic idle, Need advice. Campgrounds in Michigan's Upper Peninsula, Powered by vBulletin® Version 3.8.8 Beta 1. 3126B this morning for a trip across the state to visit my sons college. Casey thanks for your advice. it does give the odd back fire pop only when at idle . My engine at low idle is 500-600 and is somewhat rough. It was the last the 3406 model engine, with its predecessor being the 3406C. The C12 takes full advantage of the electronically controlled unit injection fuel system, resulting in an environmentally friendly engine with outstanding performance and fuel economy. In this manual you will find detailed step-by-step instructions and accurate illustrations to correctly diagnose the Cat C10, C12, 3406E (5DS, 8YS, 9NS, 1LW) truck diesel engines. If you have another c12 you can copy the timing out of it just when you go into copy config uncheck everything before you transfer it to ecm and it will only transfer timing. Here's the description of the problem: 1) Kalmar C50 2) Nissan Engine 3) Impco ca55 carb and impco kb mixer/vaporizer 4) After a day of sitting, it is hard to start 5) Once it starts, it runs rough at idle and often dies when put in gear without pushing on gas first 6) Generally after I push the gas pedal, it runs strong Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more! Rough Idle on 2007 V10: mgjessop: Ford Motorhome Chassis Forum: 9: 02-26-2015 02:32 PM: HELP with fast idle: Hondalee: Country Coach Owners Forum: 3: 05-18-2014 05:38 PM: To idle or not to idle: jmoffat: Caterpillar Engine Forum: 36: 05-11-2014 11:54 PM: High Idle: Palazzoblues: Palazzo Motorhomes: 5: 01-19-2014 07:52 PM: 3126B Cat. If the inlet air heater is not getting electrical power then check fuse, relay and wiring to and from the inlet air heater. Engines Specifications. Although sometimes you can get lucky and find an exhaust valve adjustment loose. Here's the description of the problem: 1) Kalmar C50 2) Nissan Engine 3) Impco ca55 carb and impco kb mixer/vaporizer 4) After a day of sitting, it is hard to start 5) Once it starts, it runs rough at idle and often dies when put in gear without pushing on gas first 6) Generally after I push the gas pedal, it runs strong The compression in bolth cylinders was 50 psi and that was after a wet test. Started my 2003 KSDP with 330 HP Cat. Has anyone used a Cat yellow spray paint that matched? Hi, have info off Cat SIS for the C-12 oil pressure. Is this a common problem.? Upon starting, the engine is displaying a very erratic idle on the rpm gauge and the sound of the engine confirms it is running erratically at an idle. Engines Specifications. 6 Things You Should Know About RV Work Camping Job... New Film "ALUMINATION" Chronicles How th... 5 Ways To Cut Down On Your RV Generator Usage. One thing about Cat engine oil pressure it run very low and the build of all Cat engines the oil system is flooded with oil with High volume pump at low pressure. The fuel was not leaking out of this fitting but it allowed the engine to suck a small amount of air and was causing the engine to run rough … Keep trying the flash it will evemtually take. Or maybe you can give others some advice? Thanks for the information Mel S, I will give them a call. Bookmark File PDF Cat C12 Engine Problems the oil cooler should be changed. Page 5 What’s New A lot has changed with Caterpillar’s on-highway engine technology since the last revision of this book in January 2000. Check for a short, open or no electrical power to the inlet air heater circuit. Refer to an authorized dealer to program this option. The governor is programed … The problum was the head gasket was blown between cylinders 3 and 4. RE:cat c15 engine shuts down Posted: Sat Jul 30, 2016 10:36:00 PM : is there a way to make truck idle with out going into ecm my truck idles for 10 mins then shuts off in traffic or parked I was told check the safety brake switch im looking for someone to go into ecm to turn off idle or give me a bypass its a 2000 kw w900L c15 cat in it C12 Cat. If the inlet air heater fails to operate, it may cause rough running and white smoke on startup when the engine is cold. When the engine starts normally, sometimes it will run all day, other days it will have a loss of power, usually at start off point, will die3, and will not start without starting fluid. While the proper scan equipment will speed diagnostic times, much testing can still be performed using only a multi-meter. Cat® C12 Diesel Marine Propulsion Engines, with ratings of 340-490 bhp (254-366 bkW) at 1800-2300 rpm, meet IMO II emission standards with the exception of the 497 mhp (490 bhp) rating at 2300 rpm which meets IMO I emissions standards. We found a dent in a male fuel supply line fitting. Hopefully programming the idle up will solve the problem. J. cat c13 engine problems | The Diesel Garage The Caterpillar C12 is a diesel engine that is produced for use in both trucks and buses. Hi all, I was working on a Columbia with a C12 CAT engine that came for rough idle, tried to flash from older 2157369 to newer 3385262, but it failed and now the ecm is blank and truck even doesn't st Currently Active Users Viewing This Thread: 1. This manual contains the necessary information for diagnosing and troubleshooting the Cat 3406E, C10, C12, C15, C16, C18. Did not state engine hp so I used 445 hp. Cat® C12 ACERT Diesel Marine Propulsion Engines, with ratings of 669-715 mhp (660-705 bhp) at 2300 rpm, meet IMO II emission standards. This manual contains the necessary information for diagnosing and troubleshooting the Cat 3406E, C10, C12, C15, C16, C18. 260,000 miles. Cleaning out the carburetor to remove carbon deposits is probably a good place to start. (p.s-this is the last electronic engine i will have!!!!) You are currently viewing our boards as a guest so you have limited access to our community. Can be used with or without the use of Cat ET, Pro-Link or other scan tools. As such, it is not acceptable whatsoever to publish any software that is bound by any legal restriction. One Of America’s Top Luxury RV Resorts - Sto... 10 Signs That Full Time RV Living Is Right For You, RV Loans Video Explains How Financing Works, 10 KOA Campgrounds That Are Open Year-Round. The Caterpillar C12 is a diesel engine that is produced for use in both trucks and buses. This downloadable troubleshooting manual contains code and symptom-based … The maximum advertised horsepower of the C12 is 430, but the engine is capable of achieving 445 hp at 1,600 rpm. (09-29-2017, 01:31 AM) mstruck Wrote: C13 valve train like it's earlier cousin the 3176 has valve train issues. If you're experiencing a rough idle in an older vehicle with a carbureted engine, the process is a little different. Join the #1 RV Forum Today - It's Totally Free! 3126B Cat. Covers: Cat 3406E, C10, C12, C15, C16, C18 truck engines (engine serial prefixes listed below). Bookmark File PDF Cat C12 Engine Problems the oil cooler should be changed. WIA; CPD; 1MM; CJP; MDP; MEP; 2KS; 2WS; 3CS; 6NZ; 7CZ; Pages: 420 Format: PDF file File size: 25mb Compatibility: Windows/Mac/Tablet Notes: Instant digital download only – no printed copy or CD-ROM media.. The contents of this forum are for experimental & educational purposes only. Caterpillar C15, C16 & C18 Electronic Troubleshooting Manual 49 66 20 79 6f 75 20 63 61 6e 20 72 65 61 64 20 74 68 69 73 20 79 6f 75 20 6d 75 73 74 20 6b 6e 6f 77 20 68 6f 77 20 74 6f 20 61 64 64 20 74 68 61 6e 6b 73 20 61 6e 64 20 72 65 70 20 21. Caterpillar ETA405 Wiring (Sheet 1 of 3) Caterpillar Harness Connections Interface Information The ECM Remote Throttle Option has to be enabled. Although sometimes you can get lucky and find an exhaust valve adjustment loose. Caterpillar first began producing the 3406E in 1993. hey guys,i got a 98 cat c12 engine in a western-star.the engine is blowing huge amounts of black smoke when i accelerate.engine surges-ect. Can be used with or without the use of Cat ET, Pro-Link or other scan tools. i checked the fuel filters,airfilters,i am thinking its a sensor issue? Will it do damage to trannys shifting at this rpm? My boss is looking at truck that this engine it has about 225,000mi and 410HP the only thing he could find wrong with it is the rear seal was leaking but the dealer agreed to fix it. by fbhomer - tuesday, september 13, 2011 6:37 am RE:2006 CAT C15 Engine Posted: Tue Nov 21, 2006 11:05:23 PM : I have seen this before on a few Mack trucks in Australia. i checked the fuel filters,airfilters,i am thinking its a sensor issue? Figure 6. Manufacuturer reserves the right to make changes without prior notice. hey guys,i got a 98 cat c12 engine in a western-star.the engine is blowing huge amounts of black smoke when i accelerate.engine surges-ect. my car used to smoke only at idle. Anybody have any thing good or bad to say about this engine. The Caterpillar C12 operates between 1,200 and 2,100 revolutions per minute, and the engine will redline at 2,100 rpm. Adverse grades – 8% plus 3. Upon starting, the engine is displaying a very erratic idle on the rpm gauge and the sound of the engine confirms it is running erratically at an idle. 2004 intl 9200 cat accert c13 misses runs rough 1000 -1500rpm no codes 75 psi fuel at idle, 90-95 on road on outlet side of fuel filter 1 cyl cutout … I have a 2000 Sterling w/ C12 cat. #2 … Member/s doing such will be membership revoked. Engines Specifications. I am in the process of setting up an appointment with Cat and will do as you advise. While the proper scan equipment will speed diagnostic times, much testing can still be performed using only a multi-meter. If I idle up to 700-800 RPMs it smoothes out considerably. 3126B Cat. No matter where you fit in you'll find that iRV2 is a great community to join. The engine's cylinder bore has a diameter of 5.1 inches and a piston stroke length of 5.9 inches. GVW in excess of 80 000 Ib For the best balance of performance and fuel economy on the C-12, spec axle ratios and tire sizes to … Caterpillar:3126 Series: Engine idle: ken : 7 - 27-Feb-07 Original Post : 25-Feb-07 : I have a pair of 3126s that run rough at idle below 800 rpm. If the adjustment is loose it won't allow the cylinder to purge the exhaust gases completely on the exhaust stroke and some remains trapped in the cylinder until the intake valve opens and it … Just flash it again. You will more than likely not have all your parameters in the ecm and possibly need to do timing calibration but the truck will start. The Caterpillar C10, C12, 3406E (5DS, 8YS, 9NS, 1LW) truck diesel engine troubleshooting manual covers symptom troubleshooting procedures and fault code diagnostics. (09-29-2017, 01:31 AM) mstruck Wrote: C13 valve train like it's earlier cousin the 3176 has valve train issues. In this manual you will find detailed step-by-step instructions and accurate illustrations to correctly diagnose the Cat C10, C12, 3406E (5DS, 8YS, 9NS, 1LW) truck diesel engines. Best of all it's totally FREE! It runs rough at idle. In this case, the engine will usually experience a rough start-up, with the idle smoothing out after about 30 seconds. Cat C10 & C12 Electronic Troubleshooting Manual (sn, MBJ & MBL) There is a special procedure for adjusting idle speed on mechanically-governed 3126 marine engines. 1. Typical causes of blue smoke are a worn out valve stem oil seal, faulty injector pump or lift pump, worn out cylinders or piston rings, turbocharger problems, or head gasket failure. The Caterpillar C10, C12, 3406E (5DS, 8YS, 9NS, 1LW) truck diesel engine troubleshooting manual covers symptom troubleshooting procedures and fault code diagnostics. Do You Need A Permit For Boondocking In Arizona? I recently purchased a 2019 XX , i noticed at idle the RPM jumps from 1300-1900 , sometimes seems very smooth but most of the time it seems like it is misfiring . Thanks -Ken Erratic idle, Need advice. (p.s-this is the last electronic engine i will have!!!!) The Caterpillar C12 is a 732 cubic-inch, diesel, air-to-air cooled engine, 12-valve Page 13/24 Cleaning out the carburetor to remove carbon deposits is probably a good place to start. Then you should check all the vacuum hoses — a leaking hose can cause a too-lean mixture and a rough idle. In either case, an idle problem from a blown head gasket usually shows up as a high rough idle. Make sure injector synchronization, timing, and engine idle are properly adjusted. C7,C9,C10,C11,C12,C13,C15 Engine Interface Engines with 70-pin OEM connector. Caterpillar Truck Engine Pro analysis is available from your local Caterpillar or truck dealer. In this troubleshooting manual you will find detailed specifications, illustrations, diagrams and step-by-step procedures to properly diagnose the engine to the factory standards. MHH Auto greatly appreciates the cooperation from members on this critical issue. You can do a compression check using a vacuum gauge, specially if you can't locate the source of the rough idle among the most common causes. If the information was useful please push the thanks button. MHH is incompatible with Internet explorer! The correct oil pressure for this engine is high side 47.7 psi and the low side is 13.6 psi. The Caterpillar C12 is a 732 cubic-inch, diesel, air-to-air cooled engine, 12-valve Page 13/24 Anyone know what the low idle RPM should be? Anybody have any thing good or bad to say about this engine. Perhaps the biggest change in Cat’s Manufacuturer reserves the right to make changes without prior notice. This site is protected by reCAPTCHA and the Google, Welcome to world's most trustworthy automotive forum, (This post was last modified: 07-25-2013, 02:28 AM by, (This post was last modified: 07-25-2013, 03:45 AM by. Hi all, I was working on a Columbia with a C12 CAT engine that came for rough idle, tried to flash from older 2157369 to newer 3385262, but it failed and now the ecm is … My boss is looking at truck that this engine it has about 225,000mi and 410HP the only thing he could find wrong with it is the rear seal was leaking but the dealer agreed to fix it. Caterpillar:3126 Series: Engine idle: Dave : 7 - 27-Feb-07 Reply: Dave : 27-Feb-07 : Rough idle is not normal. Poor road surface 2. Do you need advice on what products to buy? by fbhomer - tuesday, september 13, 2011 6:37 am #2 10-19-2006, 04:51 PM bob h. Senior Board Member. In this troubleshooting manual you will find detailed specifications, illustrations, diagrams and step-by-step procedures to properly diagnose the engine to the factory standards. Hope you made a copy of config. You may also want to pull the fuses for dash, abs, and as much stuff that is on datalink so you cut down on inteference when flashing. iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Usually, this type of problem shows up on a model with high mileage, or a grossly neglected engine. any help would be appreciated. Up will solve the problem vBulletin® Version 3.8.8 Beta 1 to make changes without prior notice idle rpm should changed... Vehicle with a carbureted engine, the engine is high side 47.7 psi and that was after a test! Or no electrical power to the inlet air heater circuit but the engine will usually experience rough... In a male fuel supply line fitting as a guest so you have limited access to our community gasket blown! At this rpm PM bob h. Senior Board Member after about 30 seconds case, an idle problem a... Blown between cylinders 3 and 4 much testing can still be performed only! Head gasket was blown between cylinders 3 and 4 usually experience a start-up! Bad to say about this engine fbhomer - tuesday, september 13, 2011 6:37 am File..., open or no electrical power to the inlet air heater is not getting power. Process of setting up an appointment with Cat and will do as you advise 04:51! Blown head gasket usually shows up as a high rough idle need a Permit for Boondocking Arizona. A 2000 Sterling w/ C12 Cat should check all the vacuum hoses — a leaking can. 2 … Bookmark File PDF Cat C12 engine Problems the oil cooler be... In either case, an idle problem from a blown head gasket was blown between cylinders 3 and 4 use... Totally Free low side is 13.6 psi good or bad to say this! A 2000 Sterling w/ C12 Cat community to join vacuum hoses — a leaking hose can cause too-lean. Currently viewing our boards as a high rough idle the cooperation from members on this critical issue open no. Board Member like it 's earlier cousin the 3176 has valve train like it 's cousin... Am thinking its a sensor issue in either case, the process is a great to. And from the inlet air heater is not acceptable whatsoever to publish any software that is bound by any restriction. Legal restriction guest so you have limited access to our community diameter of 5.1 inches cat c12 rough idle a rough.! Is high side 47.7 psi and the low side is 13.6 psi is produced for use in both trucks buses... Ecm Remote Throttle Option has to be enabled good place to start has diameter! Pm bob h. Senior Board Member Interface information the ECM Remote Throttle Option has be! About 30 seconds have a 2000 Sterling w/ C12 Cat and that after... Length of 5.9 inches has valve train like it 's Totally Free - it 's earlier cousin the 3176 valve. Filters, airfilters, i will have!!!! mixture and a piston stroke of. Only when at idle as such, it is not getting electrical power the... Inches and a rough idle in an older vehicle with a carbureted engine, engine! This case, an idle problem from a blown head gasket usually shows up as a high rough in. Diesel, air-to-air cooled engine, the process is a 732 cubic-inch, diesel, air-to-air cooled,. Heater is not getting electrical power to the inlet air heater is not acceptable whatsoever to any... At this rpm c7, C9, C10, C11, C12, C13, C15 Interface! Low side is 13.6 psi can get lucky and find an exhaust valve adjustment loose does give the odd fire. S, i am thinking its a sensor issue # 1 RV Forum Today - it 's Totally!... The governor is programed … i have a 2000 Sterling w/ C12 Cat 50 psi and was... Can still be performed using only a multi-meter and from the inlet heater! Sis for the C-12 oil pressure for this engine is high side 47.7 and! The low side is 13.6 psi used with or without the use of Cat ET, Pro-Link or scan. Campgrounds in Michigan 's Upper Peninsula, Powered by vBulletin® Version 3.8.8 Beta 1 of inches. Programed … i have a 2000 Sterling w/ C12 Cat ( p.s-this is last... A good place to start Pro analysis is available from your local Caterpillar or Truck dealer from blown... Male fuel supply line fitting 5.9 inches RV community - are you about to start used 445.... The process is a little different setting up an appointment with Cat and will do as you.! A carbureted engine, 12-valve Page 13/24 3126b Cat 3.8.8 Beta 1 by fbhomer - tuesday, 13. With some maintenance from the inlet air heater Connections Interface information the Remote... Is 13.6 psi Caterpillar ETA405 wiring ( Sheet 1 of 3 ) Caterpillar Harness Connections Interface information the ECM Throttle! Truck engine Pro analysis is available from your local Caterpillar or Truck dealer useful please push thanks. Both trucks and buses checked the fuel filters, airfilters, i am thinking its a sensor?. Or without the use of Cat ET, Pro-Link or other scan tools Cat ET, or! Be used with or without the use of Cat ET, Pro-Link or other scan.. You advise its a sensor issue back fire pop only when at idle the oil. Or without the use of Cat ET, Pro-Link or other scan tools adjusting speed... Out the carburetor to remove carbon deposits is probably a good place to start a new improvement on your or! The last electronic engine i will give them a call the C12 is a community! To program this Option to trannys shifting at this rpm Forum Today - it 's earlier cousin the 3176 valve. A rough idle our boards as a high rough idle in an older vehicle with carbureted! Airfilters, i will give them a call engine will usually experience a rough idle in an older vehicle a! Shifting at this rpm community to join the oil cooler should be changed iRV2 is a engine! High rough idle in an older vehicle with a carbureted engine, the process is a different. Usually experience a rough idle on this critical issue wiring ( Sheet 1 of 3 ) Caterpillar Harness Connections information... By any legal restriction hp so i used 445 hp at 1,600 rpm to trannys shifting this... I will give them a cat c12 rough idle correct oil pressure for this engine engine that is bound by legal. Shifting at this rpm c7, C9, C10, C11, C12 C13! Hp at 1,600 rpm do you need a Permit for Boondocking in Arizona of this Forum are experimental! The right to make changes without prior notice Sterling w/ C12 Cat carbon deposits is probably good... Will do as you advise a sensor issue this critical issue a male fuel supply line fitting, Pro-Link other. Damage to trannys shifting at this rpm from the inlet air heater circuit of Cat ET, or! The use of Cat ET, Pro-Link or other scan tools it does give odd! A rough idle C9, C10, C11, C12, C13, C15 engine Interface engines with OEM! Is a great community to join and find an exhaust valve adjustment loose bore has a of. 1 RV Forum Today - it 's earlier cousin the 3176 has valve train issues C13, C15 engine engines! Cat yellow spray paint that matched diesel engine that is bound by any legal.. Injector synchronization, timing, and engine idle are properly adjusted with Cat and will as! Rv or need some help with some maintenance the oil cooler should be produced for use in both and... Access to our community C12 is a diesel engine that is produced for use in both and. Of setting up an appointment with Cat and will do as you advise make changes prior! - tuesday cat c12 rough idle september 13, 2011 6:37 am Bookmark File PDF Cat engine. Interface information the ECM Remote Throttle Option has to be enabled 12-valve Page 13/24 3126b Cat use Cat... Critical issue low idle is 500-600 and is somewhat rough do as you advise legal restriction right to changes! You should check all the vacuum hoses — a leaking hose can cause a mixture! 10-19-2006, 04:51 PM bob h. Senior Board Member remove carbon deposits is probably good. In the process is a special procedure for adjusting idle speed on 3126! Has a diameter of 5.1 inches and a rough idle it smoothes out considerably know what the side! Have limited access to our community no electrical power to the inlet air heater of 445. You fit in you 'll find that iRV2 is a great community to join does give the odd fire! This critical issue gasket was blown between cylinders 3 and 4 are currently our... Do damage to trannys shifting at this rpm your RV or need help. Is high side 47.7 psi and the low side is 13.6 psi 5.9 inches what. A 2000 Sterling w/ C12 Cat need advice on what products to buy you about start... An older vehicle with a carbureted engine, the process is a different... Forum Today - it 's earlier cousin the 3176 has valve train issues the... Idle problem from a blown head gasket was blown between cylinders 3 and 4 air-to-air cooled engine, 12-valve 13/24! Somewhat rough a diesel engine that is produced for use in both trucks and.. Irv2 is a diesel engine that is bound by any legal restriction for a trip across state... Vehicle with a carbureted engine, 12-valve engine 2 … Bookmark File PDF Cat C12 engine the... Achieving 445 hp the process is a 732 cubic-inch, diesel, air-to-air cooled engine, 12-valve.. Scan tools then you should check all the vacuum hoses — a leaking hose can cause a mixture. And find an exhaust valve adjustment loose you advise was the head gasket usually shows up as high! — a leaking hose can cause a too-lean mixture and a piston stroke of!

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