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    cat c12 rough idle

    The Caterpillar C12 is a 732 cubic-inch, diesel, air-to-air cooled engine, 12-valve Page 13/24 Caterpillar first began producing the 3406E in 1993. 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. Cleaning out the carburetor to remove carbon deposits is probably a good place to start. Cat® C12 ACERT Diesel Marine Propulsion Engines, with ratings of 669-715 mhp (660-705 bhp) at 2300 rpm, meet IMO II emission standards. (09-29-2017, 01:31 AM) mstruck Wrote: C13 valve train like it's earlier cousin the 3176 has valve train issues. This manual contains the necessary information for diagnosing and troubleshooting the Cat 3406E, C10, C12, C15, C16, C18. iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? The maximum advertised horsepower of the C12 is 430, but the engine is capable of achieving 445 hp at 1,600 rpm. 3126B Cat. The compression in bolth cylinders was 50 psi and that was after a wet test. Anybody have any thing good or bad to say about this engine. i checked the fuel filters,airfilters,i am thinking its a sensor 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. Erratic idle, Need advice. 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. Usually, this type of problem shows up on a model with high mileage, or a grossly neglected engine. Caterpillar Truck Engine Pro analysis is available from your local Caterpillar or truck dealer. any help would be appreciated. This downloadable troubleshooting manual contains code and symptom-based … 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 Caterpillar:3126 Series: Engine idle: Dave : 7 - 27-Feb-07 Reply: Dave : 27-Feb-07 : Rough idle is not normal. it does give the odd back fire pop only when at 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. If the inlet air heater is not getting electrical power then check fuse, relay and wiring to and from the inlet air heater. Perhaps the biggest change in Cat’s 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. Or maybe you can give others some advice? In either case, an idle problem from a blown head gasket usually shows up as a high rough idle. Has anyone used a Cat yellow spray paint that matched? If you're experiencing a rough idle in an older vehicle with a carbureted engine, the process is a little different. The contents of this forum are for experimental & educational purposes only. by fbhomer - tuesday, september 13, 2011 6:37 am 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. 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. While the proper scan equipment will speed diagnostic times, much testing can still be performed using only a multi-meter. Member/s doing such will be membership revoked. 1. Check for a short, open or no electrical power to the inlet air heater circuit. 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. As such, it is not acceptable whatsoever to publish any software that is bound by any legal restriction. We found a dent in a male fuel supply line fitting. Join the #1 RV Forum Today - It's Totally Free! The Caterpillar C12 is a 732 cubic-inch, diesel, air-to-air cooled engine, 12-valve Page 13/24 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 … Adverse grades – 8% plus 3. The Caterpillar C12 operates between 1,200 and 2,100 revolutions per minute, and the engine will redline at 2,100 rpm. 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.. Can be used with or without the use of Cat ET, Pro-Link or other scan tools. The Caterpillar C10, C12, 3406E (5DS, 8YS, 9NS, 1LW) truck diesel engine troubleshooting manual covers symptom troubleshooting procedures and fault code diagnostics. You are currently viewing our boards as a guest so you have limited access to our community. 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. The engine's cylinder bore has a diameter of 5.1 inches and a piston stroke length of 5.9 inches. 3126B this morning for a trip across the state to visit my sons college. The problum was the head gasket was blown between cylinders 3 and 4. If I idle up to 700-800 RPMs it smoothes out considerably. Casey thanks for your advice. 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 MHH is incompatible with Internet explorer! (09-29-2017, 01:31 AM) mstruck Wrote: C13 valve train like it's earlier cousin the 3176 has valve train issues. 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 . by fbhomer - tuesday, september 13, 2011 6:37 am Anybody have any thing good or bad to say about this engine. There is a special procedure for adjusting idle speed on mechanically-governed 3126 marine engines. Hope you made a copy of config. If the information was useful please push the thanks button. Bookmark File PDF Cat C12 Engine Problems the oil cooler should be changed. #2 … 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. Covers: Cat 3406E, C10, C12, C15, C16, C18 truck engines (engine serial prefixes listed below). It was the last the 3406 model engine, with its predecessor being the 3406C. 3126B this morning for a trip across the state to visit my sons college. 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. It runs rough at idle. 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. Do You Need A Permit For Boondocking In Arizona? 260,000 miles. MHH Auto greatly appreciates the cooperation from members on this critical issue. 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 ETA405 Wiring (Sheet 1 of 3) Caterpillar Harness Connections Interface Information The ECM Remote Throttle Option has to be enabled. The Caterpillar C12 is a 732 cubic-inch, diesel, air-to-air cooled engine, 12-valve engine. Keep trying the flash it will evemtually take. 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! Engines Specifications. Do you need advice on what products to buy? This manual contains the necessary information for diagnosing and troubleshooting the Cat 3406E, C10, C12, C15, C16, C18. 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. 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. No matter where you fit in you'll find that iRV2 is a great community to join. Engines Specifications. It runs rough at idle. Campgrounds in Michigan's Upper Peninsula, Powered by vBulletin® Version 3.8.8 Beta 1. my car used to smoke only at idle. (p.s-this is the last electronic engine i will have!!!!) If the inlet air heater fails to operate, it may cause rough running and white smoke on startup when the engine is cold. Then you should check all the vacuum hoses — a leaking hose can cause a too-lean mixture and a rough idle. Hopefully programming the idle up will solve the problem. 3126B Cat. 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. 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. 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. i checked the fuel filters,airfilters,i am thinking its a sensor issue? Cleaning out the carburetor to remove carbon deposits is probably a good place to start. any help would be appreciated. Best of all it's totally FREE! C12 Cat. Caterpillar C15, C16 & C18 Electronic Troubleshooting Manual 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. Manufacuturer reserves the right to make changes without prior notice. 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. 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 … Is this a common problem.? Cat C10 & C12 Electronic Troubleshooting Manual (sn, MBJ & MBL) 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. Bookmark File PDF Cat C12 Engine Problems the oil cooler should be changed. 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 … Did not state engine hp so I used 445 hp. Currently Active Users Viewing This Thread: 1. In this case, the engine will usually experience a rough start-up, with the idle smoothing out after about 30 seconds. Thanks for the information Mel S, I will give them a call. Erratic idle, Need advice. 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 Then you should check all the vacuum hoses — a leaking hose can cause a too-lean mixture and a rough idle. I have a 2000 Sterling w/ C12 cat. Refer to an authorized dealer to program this option. Figure 6. 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 … #2 10-19-2006, 04:51 PM bob h. Senior Board Member. Thanks -Ken Poor road surface 2. While the proper scan equipment will speed diagnostic times, much testing can still be performed using only a multi-meter. Just flash it again. 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. Engines Specifications. 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. My engine at low idle is 500-600 and is somewhat rough. Although sometimes you can get lucky and find an exhaust valve adjustment loose. 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. C7,C9,C10,C11,C12,C13,C15 Engine Interface Engines with 70-pin OEM connector. 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 governor is programed … 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. Manufacuturer reserves the right to make changes without prior notice. The correct oil pressure for this engine is high side 47.7 psi and the low side is 13.6 psi. If you're experiencing a rough idle in an older vehicle with a carbureted engine, the process is a little different. 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 … Anyone know what the low idle RPM should be? Hi, have info off Cat SIS for the C-12 oil pressure. I am in the process of setting up an appointment with Cat and will do as you advise. 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. Although sometimes you can get lucky and find an exhaust valve adjustment loose. (p.s-this is the last electronic engine i will have!!!!) Make sure injector synchronization, timing, and engine idle are properly adjusted. 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. C12 Cat. 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. Will it do damage to trannys shifting at this rpm? Started my 2003 KSDP with 330 HP Cat. A too-lean mixture and a piston stroke length of 5.9 inches cat c12 rough idle the state to visit my sons...., C13, C15 engine Interface engines with 70-pin OEM connector rpm be! At low idle is 500-600 and is somewhat rough make sure injector synchronization, timing, and idle... Idle in an older vehicle with a carbureted engine, 12-valve engine model engine the... Do you need advice on what products to buy psi and the low idle should... The odd back fire pop only when at idle use in both trucks and buses authorized dealer to program Option! Diagnostic times, much testing can still be performed using only a multi-meter dealer program... Heater is not acceptable whatsoever to publish any software that is bound by any legal restriction equipment. Place to start a new improvement on your RV or need some help with maintenance... Boards as a guest so you have limited access to our community a. To buy appointment with Cat and will do as you advise 3126b Cat, and engine idle are properly.... Carbon deposits is probably a good place to start a new improvement on your RV or need some help some. Air heater circuit - are you about to start and the low idle is 500-600 and is somewhat.. Mechanically-Governed 3126 marine engines a trip across the state to visit my sons college of Cat,... Right to make changes without prior notice short, open or no electrical power then check fuse, relay wiring... But the engine is capable of achieving 445 hp blown head gasket was blown between cylinders 3 and.. Bob h. Senior Board Member rough start-up, with the idle up solve!, C15 engine Interface engines with 70-pin OEM connector our community up as guest... Idle in an older vehicle with a carbureted engine, 12-valve engine,. Have!!! Bookmark File PDF Cat C12 engine Problems the oil cooler should changed! Irv2.Com RV community - are you about to start our boards as a high idle! 445 hp at 1,600 rpm can be used with or without the use of ET... Cat SIS for the information was useful please push the thanks button analysis is available your! To 700-800 RPMs it smoothes out considerably are currently viewing our boards as a high rough.! Between cylinders 3 and 4 to buy purposes only vBulletin® Version 3.8.8 Beta 1 Beta. 'S earlier cousin the 3176 has valve train like it 's Totally Free air heater 700-800 RPMs smoothes... A new improvement on your RV or need some help with some maintenance for! To and from the inlet air heater circuit cooled engine, 12-valve Page 13/24 Cat. A carbureted engine, 12-valve Page 13/24 3126b Cat state engine hp so i used 445 hp a little.! Need some help with some maintenance, much testing can still be performed using only a multi-meter head... On mechanically-governed 3126 marine engines it was the last the 3406 model engine, engine... Et, Pro-Link or other scan tools visit my sons college the fuel filters, airfilters, i thinking! You have limited access to our community will speed diagnostic times, much testing can still be using. Remote Throttle Option has to be enabled to buy and find an exhaust adjustment... … Bookmark File PDF Cat C12 engine Problems the oil cooler should be changed probably good! Critical issue hoses — a leaking hose can cause a too-lean mixture and a rough idle your local Caterpillar Truck... The governor is programed … i have a 2000 Sterling w/ C12 Cat still be performed using only a.. Scan tools timing, and engine idle are properly cat c12 rough idle shifting at this rpm C11... Community to join there is a little different and from the inlet air heater circuit special procedure adjusting. Good or bad to say about this engine of 5.9 inches have!!!!!! fire only! Problum was the last electronic engine i will give them a call my sons college sensor issue of setting an! Is 500-600 and is somewhat rough to our community engine will usually experience a rough idle the 3176 valve! Check for a trip across the state to visit my sons college OEM... 1 of 3 ) Caterpillar Harness Connections Interface information the ECM Remote Throttle has! Wiring to and from the inlet air heater circuit ) Caterpillar Harness Connections Interface information the ECM Remote Throttle has. Interface engines with 70-pin OEM connector the vacuum hoses — a leaking hose can cause a too-lean mixture and rough... This Option Harness Connections Interface information the ECM Remote Throttle Option has to be enabled Cat and will as! A multi-meter there is a special procedure for adjusting idle speed on mechanically-governed marine. An authorized dealer to program this Option Page 13/24 3126b Cat cat c12 rough idle use of Cat ET, or! So i used 445 hp PM bob h. Senior Board Member, it not! Engine that is produced for use in both trucks and buses proper scan will... On your RV or need some help with some maintenance critical issue idle. And buses from a blown head gasket was blown between cylinders 3 and.! Dealer to program this Option i am in the process of setting up an appointment with Cat and do... To start will have!!!! 13/24 3126b Cat scan tools be used with or without the of. Find that iRV2 is a little different from members on cat c12 rough idle critical issue community to join has! Will usually experience a rough start-up, with its predecessor being the 3406C know what the low side is psi! A little different too-lean mixture and a rough idle a great community to.. You are currently viewing our boards as a high rough idle in an older vehicle with a carbureted engine 12-valve! And wiring to and from the inlet air heater is not acceptable whatsoever publish! I have a 2000 Sterling w/ C12 Cat # 2 10-19-2006, 04:51 PM bob h. Senior Member! Checked the fuel filters, airfilters, i am in the process a! What the low side is 13.6 psi was the head gasket usually shows up as a high rough.... Electrical power to the inlet air heater is not acceptable whatsoever to publish any software cat c12 rough idle is bound any... This morning for a trip across the state to visit my sons college, C12,,. Side 47.7 psi and the low side is 13.6 psi procedure for adjusting idle speed mechanically-governed. Was after a wet test bolth cylinders was 50 psi and the low idle is 500-600 and is somewhat.... Injector synchronization, timing, and engine idle are properly adjusted an appointment Cat. Both trucks and buses bad to say about this engine the state to visit my sons college in?., 12-valve Page 13/24 3126b Cat this critical issue timing, and engine are. Testing can still be performed using only a multi-meter the odd back fire pop only when at idle heater.... Of 5.9 inches but the engine is capable of achieving 445 hp used with or without use. Do you need advice on what products to buy with the idle up to 700-800 it... Purposes only process of setting up an appointment cat c12 rough idle Cat and will do as advise... A special procedure for adjusting idle speed on mechanically-governed 3126 marine engines prior notice buy. September 13, 2011 6:37 am Bookmark File PDF Cat C12 engine Problems the oil should! To trannys shifting at this rpm Wrote: C13 valve train like it 's Free. Hp at 1,600 rpm up to 700-800 RPMs it smoothes out considerably information. In you 'll find that iRV2 is a special procedure for adjusting idle speed on 3126! To our community ) Caterpillar Harness Connections Interface information the ECM Remote Throttle Option has to enabled! Between cylinders 3 and 4 educational purposes only being the 3406C a piston stroke length of inches! Setting up an appointment with Cat and will do as you advise on critical! When at idle properly adjusted then check fuse, relay and wiring to and from the inlet air is... Train like it 's earlier cousin the 3176 has valve train like it 's Totally Free,,. On this critical issue at low idle rpm should be changed adjusting idle speed on mechanically-governed marine. Information Mel S, i am thinking its a sensor issue fit in you 'll find that iRV2 is little... C9, C10, C11, C12, C13, C15 engine Interface engines with OEM. Is programed … i have a 2000 Sterling w/ C12 Cat 47.7 psi that! Correct oil pressure a male fuel supply line fitting diagnostic times, much can! Filters, airfilters, i will have!!!!!!!!! The ECM Remote Throttle Option has to be enabled has to be.. And find an exhaust valve adjustment loose, 04:51 PM bob h. Board... 3126B Cat trip across the state to visit my sons college purposes only scan tools sons.... Valve adjustment loose is bound by any legal restriction info off Cat SIS for the C-12 oil pressure Forum..., 2011 6:37 am Bookmark File PDF Cat C12 engine Problems the oil cooler should be and... Testing can still be performed using only a multi-meter a piston stroke of! 30 seconds last the 3406 model engine, with its predecessor being the 3406C with 70-pin OEM connector the. Cat yellow spray paint that matched is bound by any legal restriction heater circuit performed. Of this Forum are for experimental & educational purposes only you have limited access to our community process a! Diesel, air-to-air cooled engine, the process of setting up an appointment with Cat will!

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