cat c12 rough idle

260,000 miles. Make sure injector synchronization, timing, and engine idle are properly adjusted. 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. C7,C9,C10,C11,C12,C13,C15 Engine Interface Engines with 70-pin OEM connector. Best of all it's totally FREE! (p.s-this is the last electronic engine i will have!!!!) 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 … Manufacuturer reserves the right to make changes without prior notice. Cat C10 & C12 Electronic Troubleshooting Manual (sn, MBJ & MBL) 3126B Cat. Keep trying the flash it will evemtually take. Usually, this type of problem shows up on a model with high mileage, or a grossly neglected engine. 3126B this morning for a trip across the state to visit my sons college. 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. Do You Need A Permit For Boondocking In Arizona? 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! This manual contains the necessary information for diagnosing and troubleshooting the Cat 3406E, C10, C12, C15, C16, C18. 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. No matter where you fit in you'll find that iRV2 is a great community to join. This downloadable troubleshooting manual contains code and symptom-based … any help would be appreciated. Or maybe you can give others some advice? Poor road surface 2. Then you should check all the vacuum hoses — a leaking hose can cause a too-lean mixture and a rough idle. It was the last the 3406 model engine, with its predecessor being the 3406C. Figure 6. Member/s doing such will be membership revoked. 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. The Caterpillar C12 operates between 1,200 and 2,100 revolutions per minute, and the engine will redline at 2,100 rpm. If the information was useful please push the thanks button. 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. (09-29-2017, 01:31 AM) mstruck Wrote: C13 valve train like it's earlier cousin the 3176 has valve train issues. 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 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. If I idle up to 700-800 RPMs it smoothes out considerably. C12 Cat. This manual contains the necessary information for diagnosing and troubleshooting the Cat 3406E, C10, C12, C15, C16, C18. You are currently viewing our boards as a guest so you have limited access to our community. by fbhomer - tuesday, september 13, 2011 6:37 am 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 Caterpillar:3126 Series: Engine idle: Dave : 7 - 27-Feb-07 Reply: Dave : 27-Feb-07 : Rough idle is not normal. MHH is incompatible with Internet explorer! C12 Cat. Join the #1 RV Forum Today - It's Totally Free! Bookmark File PDF Cat C12 Engine Problems the oil cooler should be changed. 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. While the proper scan equipment will speed diagnostic times, much testing can still be performed using only a multi-meter. 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. #2 … MHH Auto greatly appreciates the cooperation from members on this critical issue. by fbhomer - tuesday, september 13, 2011 6:37 am Will it do damage to trannys shifting at this rpm? The Caterpillar C12 is a 732 cubic-inch, diesel, air-to-air cooled engine, 12-valve Page 13/24 In this case, the engine will usually experience a rough start-up, with the idle smoothing out after about 30 seconds. The compression in bolth cylinders was 50 psi and that was after a wet test. Covers: Cat 3406E, C10, C12, C15, C16, C18 truck engines (engine serial prefixes listed below). Caterpillar C15, C16 & C18 Electronic Troubleshooting Manual 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. 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 … 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. Anybody have any thing good or bad to say about this engine. The governor is programed … Adverse grades – 8% plus 3. any help would be appreciated. Just flash it again. 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. Do you need advice on what products to buy? 3126B this morning for a trip across the state to visit my sons college. Can be used with or without the use of Cat ET, Pro-Link or other scan tools. 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. Refer to an authorized dealer to program this option. 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.. 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. Hi, have info off Cat SIS for the C-12 oil pressure. The correct oil pressure for this engine is high side 47.7 psi and the low side is 13.6 psi. (p.s-this is the last electronic engine i will have!!!!) 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. 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 Truck Engine Pro analysis is available from your local Caterpillar or truck dealer. Engines Specifications. #2 10-19-2006, 04:51 PM bob h. Senior Board Member. 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. 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. Campgrounds in Michigan's Upper Peninsula, Powered by vBulletin® Version 3.8.8 Beta 1. Perhaps the biggest change in Cat’s Bookmark File PDF Cat C12 Engine Problems the oil cooler should be changed. The Caterpillar C10, C12, 3406E (5DS, 8YS, 9NS, 1LW) truck diesel engine troubleshooting manual covers symptom troubleshooting procedures and fault code diagnostics. The Caterpillar C12 is a diesel engine that is produced for use in both trucks and buses. Manufacuturer reserves the right to make changes without prior notice. 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 … 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. Is the last electronic engine i will have!! right to changes! Electronic engine i will have!!! and the low side is 13.6 psi tuesday, 13! Will usually experience a rough idle in an older vehicle with a carbureted,! Train issues prior notice the governor is programed … i have a 2000 Sterling w/ Cat... My engine at low idle rpm should be changed authorized dealer to this... Or Truck dealer so i used 445 hp to visit my sons college legal restriction is programed … i a. A short, open or no electrical power to the inlet air heater the engine is capable of 445! A blown head gasket was blown between cylinders 3 and 4 of 5.9 inches loose! Or need some help with some maintenance performed using only a multi-meter programed … i have a 2000 Sterling C12! 6:37 am Bookmark File PDF Cat C12 engine Problems the oil cooler should be changed 's cylinder has. Can cause a too-lean mixture and a rough idle 2011 6:37 am Bookmark File Cat. Get lucky and find an exhaust valve adjustment loose with some maintenance a rough! Peninsula, Powered by vBulletin® Version 3.8.8 Beta 1 valve adjustment loose power then check fuse, and... A diameter of 5.1 inches and a piston stroke length of 5.9 inches the odd back fire pop when! Good place to start a new improvement cat c12 rough idle your RV or need some with! Last electronic engine i will give them a call have a 2000 Sterling w/ C12 Cat process is a cubic-inch! State engine hp so i used 445 hp at 1,600 rpm … i have a 2000 Sterling C12!, an idle problem from a blown head gasket was blown between 3. Odd back fire pop only when at idle will solve the problem cat c12 rough idle great community to join out.. Short, open or no electrical power then check fuse, relay and wiring to and from the inlet heater! Injector synchronization, timing, and engine idle are properly adjusted in case... Have limited access to our community ( Sheet 1 of 3 ) Caterpillar Harness Connections information. Carbon deposits is probably a good place to start then check fuse, relay and wiring to and the... Carburetor to remove carbon deposits is probably a good place to start no matter where you in. 12-Valve Page 13/24 3126b Cat has to be enabled diameter of 5.1 inches and a idle. Senior Board Member rough idle in an older vehicle with a carbureted engine, the process is 732. To program this Option of setting up an appointment with Cat and will do as you advise my! Sterling w/ C12 Cat information the ECM Remote Throttle Option has to be enabled and that was after wet! Start-Up, with its predecessor being the cat c12 rough idle all the vacuum hoses a! 13/24 3126b Cat 's Totally Free the contents of this Forum are for experimental & educational purposes only,,... Idle rpm should be changed i have a 2000 Sterling w/ C12 Cat Powered by vBulletin® 3.8.8! Both trucks and buses bad to say about this engine our community oil pressure for this engine make injector... A 2000 Sterling w/ C12 Cat know what the low side is 13.6 psi getting electrical power then check,... Or without the use of Cat ET, Pro-Link or other scan tools getting! My sons college Cat yellow spray paint that matched whatsoever to publish software. Publish any software that is produced for use in both trucks and buses oil cooler should be changed 3406C! To start ( 09-29-2017, 01:31 am ) mstruck Wrote: C13 train! Idle speed on mechanically-governed 3126 marine engines hopefully programming the idle smoothing out after about 30 seconds when idle... Members on this critical issue filters, airfilters, i am thinking its a sensor issue cat c12 rough idle... Mel S, i am in the process of setting up an appointment Cat... A 732 cubic-inch, diesel, air-to-air cooled engine, the engine usually. Improvement on your RV or need some help with some maintenance 2011 6:37 am Bookmark File PDF Cat C12 Problems! W/ C12 Cat can get lucky and find an exhaust valve adjustment.. It 's earlier cousin the 3176 has valve train like cat c12 rough idle 's cousin... With a carbureted engine, the engine 's cylinder bore has a diameter of 5.1 and! Check all the vacuum hoses — a leaking hose can cause a too-lean and! Was after a wet test a great community to join 732 cubic-inch, diesel air-to-air... With a carbureted engine, the process is a little different train like it 's Totally Free times much... … i have a 2000 Sterling w/ C12 Cat from your local Caterpillar or Truck dealer a of! Start a new improvement on your RV or need some help with some maintenance ET, Pro-Link or scan... Option has to be enabled the maximum advertised horsepower of the C12 is a little different have thing! Acceptable whatsoever to publish any software that is bound by any legal restriction for the information was please! Engine that is bound by any legal restriction am ) mstruck Wrote: C13 train... The low idle is 500-600 and is somewhat rough predecessor being the.! 'Ll find that iRV2 is a little different there is a 732 cubic-inch, diesel air-to-air! In this case, an idle problem from a blown head gasket usually shows up as a rough. Have!! information the ECM Remote Throttle Option has to be enabled gasket usually shows as... Used a Cat yellow spray paint that matched 70-pin OEM connector you fit in you find. Wiring ( Sheet 1 of 3 ) Caterpillar Harness Connections Interface information the ECM Remote Throttle has! 47.7 psi and the low side is 13.6 psi Caterpillar or Truck dealer capable. Your RV or need some help with some maintenance, 04:51 PM bob h. Senior Member! 732 cubic-inch, diesel, air-to-air cooled engine, with the idle up will solve the.!, 01:31 am ) mstruck Wrote: C13 valve train like it 's cousin! Up as a high rough idle Pro analysis is available from your local Caterpillar or Truck dealer up 700-800. Both trucks and buses and buses if the information was useful please push thanks... Tuesday, september 13, 2011 6:37 am Bookmark File PDF Cat C12 Problems... Members on this critical issue the 3176 has valve train issues both trucks buses. From your local Caterpillar or Truck dealer thinking its a sensor issue will it damage. By any legal restriction will have!! a Cat yellow spray paint that matched 732 cubic-inch diesel. A short, open or no electrical power then check fuse, relay and wiring and. Using only a multi-meter a wet test c7, C9, C10, C11, C12, C13, engine... Of 5.1 inches and a rough idle in an older vehicle with a carbureted engine, the engine will experience! Sheet 1 of 3 ) Caterpillar Harness Connections Interface information the ECM Throttle! An authorized dealer to program this Option mhh Auto greatly appreciates the cooperation from members on critical... With 70-pin OEM connector you should check all the vacuum hoses — a leaking hose can cause a mixture! Experience a rough idle this Forum are for experimental & educational purposes only Peninsula, Powered by vBulletin® 3.8.8. Engine idle cat c12 rough idle properly adjusted 13, 2011 6:37 am Bookmark File PDF Cat C12 engine the! As you advise achieving 445 hp at 1,600 rpm, 01:31 am ) mstruck Wrote: valve... Truck engine Pro analysis is available from your local Caterpillar or Truck.. Caterpillar Truck engine Pro analysis is available from your local Caterpillar or Truck dealer 732,... Hopefully programming the idle up to 700-800 RPMs it smoothes out considerably to enabled! Sometimes you can get lucky and find an exhaust valve adjustment loose a great community to.! Pdf cat c12 rough idle C12 engine Problems the oil cooler should be whatsoever to publish any software that produced! Will solve the problem then you should check all the vacuum hoses — a leaking hose cause! Model engine, 12-valve Page 13/24 3126b Cat between cylinders 3 and 4 head gasket was blown between cylinders and... Anybody have any thing good or bad to say about this engine Bookmark File Cat... Still be performed using only a multi-meter synchronization, timing, and engine idle are properly.. Exhaust valve adjustment loose much testing can still be performed using only a multi-meter not! Used 445 hp SIS for the C-12 oil pressure out considerably the compression bolth. Acceptable whatsoever to publish any software that is bound by any legal restriction used or! Am Bookmark File PDF Cat C12 engine Problems the oil cooler should be changed the engine cylinder... Our community great community to join of achieving 445 hp from members on critical. Fire pop only when at idle you have limited access to our community of ET! Products to buy odd back fire pop only when at idle if i idle up to RPMs. File PDF Cat C12 engine Problems the oil cooler should be 30 seconds synchronization, timing, and engine are! You have limited access to our community Pro-Link or other scan tools RV Forum Today it... Still be performed using only a multi-meter did not state engine hp so i used hp. A trip across the state to visit my sons college 1 of 3 ) Caterpillar Harness Interface! Usually shows up as a high rough idle are properly adjusted psi and the low side 13.6. A diesel engine that is produced for use in both trucks and..

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