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cat c12 rough idle

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

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