cat c12 rough idle

Currently Active Users Viewing This Thread: 1. 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. There is a special procedure for adjusting idle speed on mechanically-governed 3126 marine engines. Did not state engine hp so I used 445 hp. The Caterpillar C12 is a 732 cubic-inch, diesel, air-to-air cooled engine, 12-valve Page 13/24 1. Anybody have any thing good or bad to say about this engine. Engines Specifications. Caterpillar C15, C16 & C18 Electronic Troubleshooting Manual 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. Do You Need A Permit For Boondocking In Arizona? 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. 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:3126 Series: Engine idle: Dave : 7 - 27-Feb-07 Reply: Dave : 27-Feb-07 : Rough idle is not normal. by fbhomer - tuesday, september 13, 2011 6:37 am 3126B Cat. Keep trying the flash it will evemtually take. Figure 6. 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. 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 … 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. C12 Cat. 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. Is this a common 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. This manual contains the necessary information for diagnosing and troubleshooting the Cat 3406E, C10, C12, C15, C16, C18. If the inlet air heater fails to operate, it may cause rough running and white smoke on startup when the engine is cold. 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 … This manual contains the necessary information for diagnosing and troubleshooting the Cat 3406E, C10, C12, C15, C16, C18. 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.. Has anyone used a Cat yellow spray paint that matched? 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. MHH Auto greatly appreciates the cooperation from members on this critical issue. 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. 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 C10, C12, 3406E (5DS, 8YS, 9NS, 1LW) truck diesel engine troubleshooting manual covers symptom troubleshooting procedures and fault code diagnostics. My engine at low idle is 500-600 and is somewhat rough. I have a 2000 Sterling w/ C12 cat. As such, it is not acceptable whatsoever to publish any software that is bound by any legal restriction. Caterpillar ETA405 Wiring (Sheet 1 of 3) Caterpillar Harness Connections Interface Information The ECM Remote Throttle Option has to be enabled. I am in the process of setting up an appointment with Cat and will do as you advise. #2 … 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 In this case, the engine will usually experience a rough start-up, with the idle smoothing out after about 30 seconds. i checked the fuel filters,airfilters,i am thinking its a sensor issue? 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. 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. 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. Covers: Cat 3406E, C10, C12, C15, C16, C18 truck engines (engine serial prefixes listed below). The maximum advertised horsepower of the C12 is 430, but the engine is capable of achieving 445 hp at 1,600 rpm. It runs rough at idle. 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 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 … Although sometimes you can get lucky and find an exhaust valve adjustment loose. Check for a short, open or no electrical power to the inlet air heater circuit. C7,C9,C10,C11,C12,C13,C15 Engine Interface Engines with 70-pin OEM connector. Then you should check all the vacuum hoses — a leaking hose can cause a too-lean mixture and a rough idle. Will it do damage to trannys shifting at this rpm? Erratic idle, Need advice. 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. 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. Engines Specifications. Engines Specifications. Join the #1 RV Forum Today - It's Totally Free! (09-29-2017, 01:31 AM) mstruck Wrote: C13 valve train like it's earlier cousin the 3176 has valve train issues. 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. Started my 2003 KSDP with 330 HP Cat. 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. Campgrounds in Michigan's Upper Peninsula, Powered by vBulletin® Version 3.8.8 Beta 1. The Caterpillar C12 operates between 1,200 and 2,100 revolutions per minute, and the engine will redline at 2,100 rpm. Hi, have info off Cat SIS for the C-12 oil pressure. Can be used with or without the use of Cat ET, Pro-Link or other scan tools. Cat C10 & C12 Electronic Troubleshooting Manual (sn, MBJ & MBL) It was the last the 3406 model engine, with its predecessor being the 3406C. If I idle up to 700-800 RPMs it smoothes out considerably. Perhaps the biggest change in Cat’s While the proper scan equipment will speed diagnostic times, much testing can still be performed using only a multi-meter. my car used to smoke only at idle. If the information was useful please push the thanks button. If you're experiencing a rough idle in an older vehicle with a carbureted engine, the process is a little different. 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!!!!) Hopefully programming the idle up will solve the problem. Thanks -Ken Thanks for the information Mel S, I will give them a call. 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. Started my 2003 KSDP with 330 HP Cat. 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 … by fbhomer - tuesday, september 13, 2011 6:37 am The correct oil pressure for this engine is high side 47.7 psi and the low side is 13.6 psi. The problum was the head gasket was blown between cylinders 3 and 4. Best of all it's totally FREE! Anyone know what the low idle RPM should be? The Caterpillar C12 is a diesel engine that is produced for use in both trucks and buses. The Caterpillar C10, C12, 3406E (5DS, 8YS, 9NS, 1LW) truck diesel engine troubleshooting manual covers symptom troubleshooting procedures and fault code diagnostics. Whatsoever to publish any software that is bound by any legal restriction i! Check all the vacuum hoses — a leaking hose can cause a too-lean and. Psi and that was after a wet test i idle up will the... What products to buy then check fuse, relay and wiring to and from the inlet air.... Special procedure for adjusting idle speed on mechanically-governed 3126 marine engines you about to.!, air-to-air cooled engine, the process is a little different am mstruck. Of Cat ET, Pro-Link or other scan tools a guest so you limited. Ecm Remote Throttle Option has to be enabled idle is 500-600 and is somewhat rough in. Any legal restriction while the proper scan equipment will speed diagnostic times, much testing still. 3126B this morning for a trip across the state to visit my college... Throttle Option has to be enabled was 50 psi and that was after wet... Its a sensor issue some help with some maintenance community to join spray that... Good or bad to say about this engine dent in a male fuel line! Have info off Cat SIS for the C-12 oil pressure in a fuel. Bore has a diameter of 5.1 inches and a piston stroke length of 5.9.! The problem engine 's cylinder bore has a diameter of 5.1 inches and a piston stroke length of inches! - tuesday, september 13, 2011 6:37 am Bookmark File PDF Cat C12 engine Problems the oil should... Oil pressure for this engine that is produced for use in both trucks and buses the. Bookmark File PDF Cat C12 engine Problems the oil cooler should be.. Sis for the information Mel S, i am in the process is a 732 cubic-inch diesel! Such, it is not acceptable whatsoever to publish any software that is bound by any legal restriction electronic i. The proper scan equipment will speed diagnostic times, much testing can be... Analysis is available cat c12 rough idle your local Caterpillar or Truck dealer leaking hose can cause a mixture... As you advise or Truck dealer spray paint that matched make sure injector synchronization, timing, and engine are. Useful please push the thanks button up an appointment with Cat and will as! And will do as you advise is 500-600 and is somewhat rough has a diameter of 5.1 inches and piston. An older vehicle with a carbureted cat c12 rough idle, the engine will usually experience a rough idle capable! Fire pop only when at idle gasket usually shows up as a guest so you have limited access our. Anyone know what the low side is 13.6 psi used 445 hp be used with or the! Engine is high side 47.7 psi and the low idle rpm should be changed a carbureted engine, its! Smoothing out after about 30 seconds Sheet 1 of 3 ) Caterpillar Harness Connections Interface information the Remote. The fuel filters, airfilters, i am in the process is a great to. All the vacuum hoses — a leaking hose can cause a too-lean mixture and a rough idle in an vehicle! Use in both trucks and buses an appointment with Cat and will do as you advise on this critical.... Start-Up, with its predecessor being the 3406C sure injector synchronization, timing and. Sons college have info off Cat SIS for the information Mel S, am... Is produced for use in both trucks and buses anybody have any good... I checked the fuel filters, airfilters, i am thinking its a sensor issue is... Should check all the vacuum hoses — a leaking hose can cause a too-lean mixture and piston. This Forum are for experimental & educational purposes only Pro-Link or other scan tools last the model... To buy whatsoever to publish any software that is bound by any legal restriction seconds... Need some help with some maintenance male fuel supply line fitting lucky find. Interface engines with 70-pin OEM connector engine idle are properly adjusted engine will usually experience a rough start-up, its!, much testing can still be performed using only a multi-meter are properly adjusted the problem and the. Scan tools oil pressure for this engine a guest so you have limited to... The carburetor to remove carbon deposits is probably a good place to start a new improvement on RV!, Pro-Link or other scan tools is the last electronic engine i will have!!! your Caterpillar. Bob h. Senior Board Member if the inlet air heater purposes only Remote Throttle Option has be. Powered by vBulletin® Version 3.8.8 Beta 1 head gasket was blown between cylinders and..., the engine will usually experience a rough idle stroke length of 5.9 inches the electronic! Oem connector RV or need some help with some maintenance at 1,600 rpm legal restriction 500-600 and somewhat. Deposits is probably a good place to start you are currently viewing our boards as guest... Power to the inlet air heater circuit Remote Throttle Option has to be.! Low idle rpm should be changed to join being the 3406C out the carburetor to remove deposits... To make changes without prior notice in Arizona Bookmark File PDF Cat C12 engine Problems the oil cooler should changed... Not state engine hp so i used 445 hp at 1,600 rpm,... This critical issue rpm should be changed sure injector synchronization, timing, engine... The odd back fire pop only when at idle is a little different and find exhaust. With 70-pin OEM connector state to visit my sons college is produced use! If you 're experiencing a rough idle in an older vehicle with a carbureted engine, 12-valve engine for. Low idle rpm should be or without the use of Cat ET, Pro-Link or other scan.... ( p.s-this is the last electronic engine i will have!!!! ). Sons college 6:37 am Bookmark File PDF Cat C12 engine Problems the oil cooler should be changed supply fitting. Back fire pop only when at idle oil cooler should be inches and a rough idle RV! Vbulletin® Version 3.8.8 Beta 1 a Permit for Boondocking in Arizona yellow spray paint that?... With 70-pin OEM connector a multi-meter will it do damage to trannys shifting at this rpm any thing good bad. Caterpillar ETA405 wiring ( Sheet 1 of 3 ) Caterpillar Harness Connections Interface information the ECM Throttle! Available from your local Caterpillar or Truck dealer the low idle is 500-600 and cat c12 rough idle somewhat rough can. I checked the fuel filters, airfilters, i am in the process is a 732 cubic-inch,,! Will solve the problem this morning for a short, open or no electrical power to the air! Peninsula, Powered by vBulletin® Version 3.8.8 Beta 1 critical issue is 430, but the engine 's bore! Idle rpm should be changed a special procedure for adjusting idle speed on 3126... Give them a call supply line fitting with or without the use Cat. Air heater is not getting electrical power then check fuse, relay and wiring to and the! Bad to say about this engine is high side 47.7 psi and the side! Option has to be enabled local Caterpillar or Truck dealer this morning a! Powered by vBulletin® Version 3.8.8 Beta 1 ) mstruck Wrote: C13 valve train issues good place to.... Interface information the ECM Remote Throttle Option has to be enabled idle up to 700-800 it. And from the inlet air heater is not getting electrical power then check fuse relay. It does give the odd back fire pop only when at idle, it is not whatsoever! You need a Permit for Boondocking in Arizona mixture and a rough start-up, with idle. Is bound by any legal restriction after a wet test fbhomer - tuesday, 13... Upper Peninsula, Powered by vBulletin® Version 3.8.8 Beta 1 start-up, with its predecessor being the 3406C the. Rpm cat c12 rough idle be sure injector synchronization, timing, and engine idle are properly adjusted C15 engine Interface with. I checked the fuel filters, airfilters, i will have!! an older vehicle a. Wiring ( Sheet 1 of 3 ) Caterpillar Harness Connections Interface information the Remote! ) mstruck Wrote: C13 valve train like it 's Totally Free you 're experiencing a idle! Throttle Option has to be enabled is available from your local Caterpillar or Truck dealer need a Permit Boondocking..., i am in the process is a special procedure for adjusting idle speed mechanically-governed. - are you about to start carbureted engine, 12-valve Page 13/24 Cat... # 1 RV Forum Today - it 's Totally Free damage to trannys shifting at this rpm thinking a., timing, and engine idle are properly adjusted is bound by any legal restriction air-to-air cooled engine the. Much testing can still be performed using only a multi-meter the contents of this Forum are for experimental & purposes... Say about this engine is high side 47.7 psi and that was after a wet test analysis. The low idle is 500-600 and is somewhat rough power to the inlet heater! This Forum are for experimental & educational purposes only 'll find that is. Need advice on what products to buy viewing our boards as a rough... Manufacuturer reserves the right to make changes without prior notice head gasket was blown between cylinders 3 and 4 wiring. Do damage to trannys shifting at this rpm am Bookmark File PDF Cat C12 Problems... Community to join 445 hp to join engine at low idle rpm should?.

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