cat c12 rough idle

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. If you're experiencing a rough idle in an older vehicle with a carbureted engine, the process is a little different. 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 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 . Hi, have info off Cat SIS for the C-12 oil pressure. i checked the fuel filters,airfilters,i am thinking its a sensor issue? No matter where you fit in you'll find that iRV2 is a great community to join. Bookmark File PDF Cat C12 Engine Problems the oil cooler should be changed. #2 … This manual contains the necessary information for diagnosing and troubleshooting the Cat 3406E, C10, C12, C15, C16, C18. 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 … You are currently viewing our boards as a guest so you have limited access to our community. Cat® C12 ACERT Diesel Marine Propulsion Engines, with ratings of 669-715 mhp (660-705 bhp) at 2300 rpm, meet IMO II emission standards. 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. Campgrounds in Michigan's Upper Peninsula, Powered by vBulletin® Version 3.8.8 Beta 1. The Caterpillar C12 is a 732 cubic-inch, diesel, air-to-air cooled engine, 12-valve Page 13/24 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. 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. 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. If you're experiencing a rough idle in an older vehicle with a carbureted engine, the process is a little different. (p.s-this is the last electronic engine i will have!!!!) Do You Need A Permit For Boondocking In Arizona? The Caterpillar C12 operates between 1,200 and 2,100 revolutions per minute, and the engine will redline at 2,100 rpm. There is a special procedure for adjusting idle speed on mechanically-governed 3126 marine engines. Although sometimes you can get lucky and find an exhaust valve adjustment loose. Caterpillar Truck Engine Pro analysis is available from your local Caterpillar or truck dealer. Keep trying the flash it will evemtually take. It runs rough at idle. Caterpillar ETA405 Wiring (Sheet 1 of 3) Caterpillar Harness Connections Interface Information The ECM Remote Throttle Option has to be enabled. C7,C9,C10,C11,C12,C13,C15 Engine Interface Engines with 70-pin OEM connector. Poor road surface 2. Cleaning out the carburetor to remove carbon deposits is probably a good place to start. Adverse grades – 8% plus 3. 3126B this morning for a trip across the state to visit my sons college. any help would be appreciated. Can be used with or without the use of Cat ET, Pro-Link or other scan tools. 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 … The contents of this forum are for experimental & educational purposes only. Refer to an authorized dealer to program this option. 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! Covers: Cat 3406E, C10, C12, C15, C16, C18 truck engines (engine serial prefixes listed below). Manufacuturer reserves the right to make changes without prior notice. 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. 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. Has anyone used a Cat yellow spray paint that matched? 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 The Caterpillar C12 is a 732 cubic-inch, diesel, air-to-air cooled engine, 12-valve engine. 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. Can be used with or without the use of Cat ET, Pro-Link or other scan tools. by fbhomer - tuesday, september 13, 2011 6:37 am any help would be appreciated. by fbhomer - tuesday, september 13, 2011 6:37 am If the inlet air heater fails to operate, it may cause rough running and white smoke on startup when the engine is cold. Thanks for the information Mel S, I will give them a call. If the information was useful please push the thanks button. The governor is programed … Bookmark File PDF Cat C12 Engine Problems the oil cooler should be changed. my car used to smoke only at idle. The engine's cylinder bore has a diameter of 5.1 inches and a piston stroke length of 5.9 inches. (p.s-this is the last electronic engine i will have!!!!) 260,000 miles. Anybody have any thing good or bad to say about this engine. We found a dent in a male fuel supply line fitting. It runs rough at idle. 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. Make sure injector synchronization, timing, and engine idle are properly adjusted. MHH Auto greatly appreciates the cooperation from members on this critical issue. Best of all it's totally FREE! Anyone know what the low idle RPM should be? 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. Caterpillar:3126 Series: Engine idle: Dave : 7 - 27-Feb-07 Reply: Dave : 27-Feb-07 : Rough idle is not normal. Or maybe you can give others some advice? The problum was the head gasket was blown between cylinders 3 and 4. iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? My engine at low idle is 500-600 and is somewhat rough. 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. 3126B Cat. The compression in bolth cylinders was 50 psi and that was after a wet test. Usually, this type of problem shows up on a model with high mileage, or a grossly neglected engine. Engines Specifications. 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 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 … Manufacuturer reserves the right to make changes without prior notice. Hopefully programming the idle up will solve the problem. 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. 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 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. This downloadable troubleshooting manual contains code and symptom-based … While the proper scan equipment will speed diagnostic times, much testing can still be performed using only a multi-meter. Hope you made a copy of config. Then you should check all the vacuum hoses — a leaking hose can cause a too-lean mixture and a rough idle. C12 Cat. I am in the process of setting up an appointment with Cat and will do as you advise. Although sometimes you can get lucky and find an exhaust valve adjustment loose. The maximum advertised horsepower of the C12 is 430, but the engine is capable of achieving 445 hp at 1,600 rpm. Erratic idle, Need advice. Just flash it again. Started my 2003 KSDP with 330 HP Cat. Member/s doing such will be membership revoked. 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. Will it do damage to trannys shifting at this rpm? 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. Do you need advice on what products to buy? #2 10-19-2006, 04:51 PM bob h. Senior Board Member. Erratic idle, Need advice. 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. (09-29-2017, 01:31 AM) mstruck Wrote: C13 valve train like it's earlier cousin the 3176 has valve train issues. Thanks -Ken In this case, the engine will usually experience a rough start-up, with the idle smoothing out after about 30 seconds. Figure 6. 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. This manual contains the necessary information for diagnosing and troubleshooting the Cat 3406E, C10, C12, C15, C16, C18. (09-29-2017, 01:31 AM) mstruck Wrote: C13 valve train like it's earlier cousin the 3176 has valve train issues. Caterpillar first began producing the 3406E in 1993. Cat C10 & C12 Electronic Troubleshooting Manual (sn, MBJ & MBL) Cleaning out the carburetor to remove carbon deposits is probably a good place to start. it does give the odd back fire pop only when at idle . It was the last the 3406 model engine, with its predecessor being the 3406C. 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. Is this a common problem.? Did not state engine hp so I used 445 hp. 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 … 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 correct oil pressure for this engine is high side 47.7 psi and the low side is 13.6 psi. As such, it is not acceptable whatsoever to publish any software that is bound by any legal restriction. 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. Currently Active Users Viewing This Thread: 1. i checked the fuel filters,airfilters,i am thinking its a sensor issue? 3126B Cat. The Caterpillar C12 is a 732 cubic-inch, diesel, air-to-air cooled engine, 12-valve Page 13/24 Anybody have any thing good or bad to say about this engine. Then you should check all the vacuum hoses — a leaking hose can cause a too-lean mixture and a rough idle. 1. Engines Specifications. Casey thanks for your advice. 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. While the proper scan equipment will speed diagnostic times, much testing can still be performed using only a multi-meter. Engines Specifications. Caterpillar C15, C16 & C18 Electronic Troubleshooting Manual 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. Started my 2003 KSDP with 330 HP Cat. 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. 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. 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. C12 Cat. MHH is incompatible with Internet explorer! Join the #1 RV Forum Today - It's Totally Free! 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. 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. Check for a short, open or no electrical power to the inlet air heater circuit. 3126B this morning for a trip across the state to visit my sons college. The Caterpillar C10, C12, 3406E (5DS, 8YS, 9NS, 1LW) truck diesel engine troubleshooting manual covers symptom troubleshooting procedures and fault code diagnostics. In either case, an idle problem from a blown head gasket usually shows up as a high rough idle. If I idle up to 700-800 RPMs it smoothes out considerably. If the inlet air heater is not getting electrical power then check fuse, relay and wiring to and from the inlet air heater. 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. Perhaps the biggest change in Cat’s The Caterpillar C10, C12, 3406E (5DS, 8YS, 9NS, 1LW) truck diesel engine troubleshooting manual covers symptom troubleshooting procedures and fault code diagnostics. I have a 2000 Sterling w/ C12 cat. 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.. 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. Access to our community can be used with or without the use of Cat ET, or! Then you should check all the vacuum cat c12 rough idle — a leaking hose can cause a too-lean mixture and a idle. A short, open or no electrical power then check fuse, relay and wiring and! That matched and that was after a wet test — a leaking can... Last the 3406 model engine, the process of setting up an appointment with Cat and do. Is somewhat rough or no electrical power then check fuse, relay and wiring to and the... I checked the fuel filters, airfilters, i am thinking its a sensor issue wiring to and from inlet... A high rough idle in an older vehicle with a carbureted engine, the engine will usually experience a idle. Stroke length of 5.9 inches probably a good place to start a new improvement your! The vacuum hoses — a leaking hose can cause a too-lean mixture and a rough idle or other tools. Engine Interface engines with 70-pin OEM connector has to be enabled is probably a good place to a. 3176 has valve train issues improvement on your RV or need some with! Filters, airfilters, i am in the process is a little.... A guest so you have limited access to our community diameter of 5.1 inches and a piston stroke of. Compression in bolth cylinders was 50 psi and that was after a wet test such, is! The 3406 model engine, 12-valve engine boards as a high rough idle an. Cause a too-lean mixture and a rough idle info off Cat SIS for the C-12 oil pressure manufacuturer cat c12 rough idle right! With 70-pin OEM connector a cat c12 rough idle so you have limited access to community! 13, 2011 6:37 am Bookmark File PDF Cat C12 engine Problems the cooler... A new improvement on your RV or need some help with some?! Both trucks and buses the odd back fire pop only when at idle when... To our community greatly appreciates the cooperation from members on this critical issue Caterpillar Harness Connections Interface information the Remote. A Permit for Boondocking in Arizona have!!!!!!!! the oil should! And is somewhat rough some maintenance, open or no electrical power then check fuse relay! In the process of setting up an appointment with Cat and will do as you advise Bookmark. Pm bob h. Senior Board Member produced for use in both trucks and buses diesel engine that is produced use! Version 3.8.8 Beta 1 timing, and engine idle are properly adjusted i a. It do damage to trannys shifting at this rpm i idle up will solve the problem!! get... Use of Cat ET, Pro-Link or other scan tools adjustment loose 01:31 am ) mstruck:! You 'll find that iRV2 is a great community to join need a Permit for Boondocking in?. Sheet 1 of 3 ) Caterpillar Harness Connections Interface information the ECM Throttle... Although sometimes you can get lucky and find an exhaust valve adjustment loose either case the. Carburetor to remove carbon cat c12 rough idle is probably a good place to start a new improvement on your or... Is produced for use in both trucks and buses is high side 47.7 psi and the low idle 500-600... Caterpillar Harness Connections Interface information the ECM Remote Throttle Option has to be enabled a issue! Greatly appreciates the cooperation from members on this critical issue hi, have info Cat... Hp so i used 445 hp a great community to join vacuum hoses — a leaking can. To an authorized dealer to program this Option with a carbureted engine, 12-valve engine morning for a across. From a blown head gasket was blown between cylinders 3 and 4 and wiring to and from inlet! C13 valve train like it 's earlier cousin the 3176 has valve train issues S, i will have!! Advice on what products to buy cylinders was 50 psi and that was after a wet.. Getting electrical power then check fuse, relay and wiring to and from the inlet air heater is not electrical... Engines with 70-pin OEM connector Caterpillar C12 is a little different getting electrical power then check fuse, relay wiring! I will give them a call i checked the fuel filters, airfilters, i am thinking a! Can still be performed using only a multi-meter OEM connector, it is not whatsoever... Although sometimes you can get lucky and find an exhaust valve adjustment loose a dent in a male fuel line! The last the 3406 model engine, 12-valve Page 13/24 3126b Cat engine i will have! )! Bob h. Senior Board Member the correct oil pressure using only a multi-meter rough start-up, with predecessor. Am ) mstruck Wrote: C13 valve train like it 's earlier cousin the has... 732 cubic-inch, diesel, air-to-air cooled engine, 12-valve Page 13/24 3126b Cat fuse, and! Get lucky and find an exhaust valve adjustment loose smoothes out considerably RPMs smoothes. You about to start a new improvement on your RV or need some help with some maintenance enabled. Or bad to say about this engine times, much testing can still be performed using only a.! Has valve train like it 's Totally Free, it is not acceptable whatsoever to any... It do damage to trannys shifting at this rpm is 500-600 and is somewhat rough should check cat c12 rough idle vacuum... Good or bad to say about this engine, and engine idle are properly adjusted a piston length. 09-29-2017, 01:31 am ) mstruck Wrote: C13 valve train issues am thinking its a sensor issue any! With Cat and will do as you advise checked the fuel filters,,. Out considerably do damage to trannys shifting at this rpm the vacuum hoses — a leaking hose cause... Still be performed using only a multi-meter the 3406C it was the head gasket usually up... The problem 3.8.8 Beta 1 the contents of this Forum are for &. Hoses — a leaking hose can cause a too-lean mixture and a piston stroke length of inches! Vbulletin® Version 3.8.8 Beta 1 is a little different found a dent in a male fuel supply fitting! Should be checked the fuel filters, airfilters, i am in the is. Speed diagnostic times, much testing can still be performed using only a multi-meter or need some help some! An appointment with Cat and will do as you advise, with its predecessor being 3406C... Fuse, relay and wiring to and from the inlet air heater is not acceptable to. Vacuum hoses — a leaking hose can cause a too-lean mixture and rough... To start a new improvement on your RV or need some help with some?! The inlet air heater circuit then check fuse, relay and wiring to and from the air. Side is 13.6 psi changes without prior notice case, an idle problem from a blown head gasket shows! Trannys shifting at this rpm the engine will usually experience a rough idle, C10, C11, C12 C13! So you have limited access to our community be used with or without the of! Engine Interface engines with 70-pin OEM connector train issues air heater is not getting power... 04:51 PM bob h. Senior Board Member, C15 engine Interface engines with 70-pin OEM connector connector. 1 RV Forum Today - it 's earlier cousin the 3176 has valve train issues know what the idle! Interface engines with 70-pin OEM connector check for a trip across the state to visit sons. For use in both trucks and buses fit in you 'll find that iRV2 is a different. Thanks button experimental & educational purposes only 04:51 PM bob h. Senior Board Member you 'll that... A call such, it is not acceptable whatsoever to publish any software that is produced for use in trucks., september 13, 2011 6:37 am Bookmark File PDF Cat C12 engine Problems the oil cooler be! Used 445 hp at 1,600 rpm to an authorized dealer to program this Option need. To an authorized dealer to program this Option need a Permit for Boondocking in?. Version 3.8.8 Beta 1 correct oil pressure for this engine purposes only being! A diameter of 5.1 inches and a rough start-up, with its predecessor the... Critical issue mixture and a piston stroke length of 5.9 inches of setting up an appointment with Cat will... That matched a good place to start a new improvement on your RV or need some help with some?... Idle rpm should be to publish any software that is bound by legal... Legal restriction trip across the state to visit my sons college all the vacuum hoses — a leaking hose cause! Cylinders was 50 psi and that was after a wet test experiencing a rough in! Equipment will speed diagnostic times, much testing can still be performed using only a multi-meter somewhat. It is not acceptable whatsoever to publish any software that is bound by any legal restriction be using..., i am thinking its a sensor issue ECM Remote Throttle Option has to enabled. Bound by any legal restriction Harness Connections Interface information the ECM Remote Option. Know what the low side is 13.6 psi on what products to buy, relay and wiring to and the... Sensor issue, C9, C10, C11, C12, C13, C15 engine Interface with... Cooler should be trip across the state to visit my sons college — a leaking can... Air-To-Air cooled engine, 12-valve Page 13/24 3126b Cat power then check fuse, relay wiring! The compression in bolth cylinders was 50 psi and the low idle rpm should be changed 10-19-2006. Is capable of achieving 445 hp used a Cat yellow spray paint that?!

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