cat c12 low boost pressure

... -boost pressure is good, and turbo has been inspected-air filters are good. the first one was, the inter-cooler had a leak and I was loosing boost PSI from the turbo. Low quality fuel or water in fuel: Discussion in 'Excavators' started by jake980, Jul 19, 2013. 56.4 inches of mercury converts to 27.7 psi., and this corresponds with what I recall seeing on the boost pressure gage when I first bought this rig, back when it had much more power for climbing hills. When the engine is stopped, the absence of boost pressure allows the plunger to rise to the open position, which allows condensation from the aftercooler to drain out. To my surprise under heavy load my 98 Cat 300HP 3126 is hitting 50 psi of boost! Cat® C12 ACERT Diesel Marine Propulsion Engines, with ratings of 669-715 mhp (660-705 bhp) at 2300 rpm, meet IMO II emission standards. If it does could be the sensor. The outlet pressure of the fuel transfer pump must be a minimum of 200 kPa (29 psi) at full load speed. cat cold dash shutdown switch chassis gnd 19 19 19 19 8 6 9 9 1 0 w d i a g n o s t i c p o e r 8 7 0 0 2 0 e a f u s / l a y p w e (see note 6) a c 661 662 660 662 661 660 6 6 0 j1939 data link and cap autoshift j1939 (option) off on off on-----notes: 1) schematic for caterpillar 3406e/3176 engines in conventional models. .Any suggestions, I have already changed both fuel filters, the … I have a 05 c13 acert twin turbo cat engine In a peterbilt truck. cat c13 acert boost pressure, Allow this engine rebuild kit be the foundation of your project. Boost runs max around 26 psi, Fuel pressure seemed low around 72psi at cruise and dropped to 50 at idle when hot. Free shipping . If fuel pressure is lower than the above pressure, check the fuel transfer pump and fuel pressure regulating orifice at the fuel return line. You may Often seems to be worse when engines run easy. Re: Low Fuel MPG on a C15 Cat Engine 06/17/2011 5:17 PM OK this sounds like a problem I had once with my cat engine, I had two major problems. This manual contains the necessary information for diagnosing and troubleshooting the Cat 3406E, C10, C12, C15, C16, C18. cat 3406e low boost pressure, Measured exhaust back pressure? R.W. Checked the air filter it was fine, what else should I look for. Cat C12 engine info. Make sure the fuel filters are clean, then check fuel pressure. 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. Did you ever stop to think why they have so much turbo boost with only moderate horsepower for the amount of turbo boost being produced? With an instantaneous boost provided by the supercharger, black smoke, turbocharger lag, and unpredictable acceleration are a thing of the past as the C12.9 maximizes available boost pressure via an electro-magnetic clutch; as the turbocharger spools up, the supercharger disengages, ensuring the most powerful and fuel efficient operation of the engine through the entire speed range. (This is a low number typically measured in inches of water column or MM of Hg (usually in the 1/2 PSI – 2 PSI range if you think “PSI”). -power shift pressure has been examined on a gauge, all good. Hi, have info off Cat SIS for the C-12 oil pressure. According to the test spec nominal boost pressure at full load RPM (1900) is 22.00psi. This tool is similar to the Ford tool described in Chap. The c-12 is a good engine. Good for truck from 2002-2004. if the year of your truck later than that, please contact us for more details. $15.34. C 7 HEUI ENGINE ALL SENSOR POSITION VIDEO How To Troubleshoot Cat Fuel Systems and Test Diesel Engine Fuel Pressure. 4. * boost pressure is too low at all lug conditions. cat 320c pab04500, 11500hrs ... cat 320c low power under load. Know Your Engine. $48.29. CAT Caterpillar C15 Acert Twin Turbocharger low Pressure Product Code: JM-C-20 Price: $0.00 Sort of seems as useful as a pressure gauge on your refrigerator. Sensors for Cat® Equipment including Pressure, Temperature, Fuel Level, Speed, Position, and Oxygen. The correct pressure for the inlet manifold is given in TMI (Technical Marketing Information). Cat supplies dealer mechanics with a special tool, consisting of a pressure gauge, a sight glass, and the necessary fittings for makeup to mechanical and electronic low- pressure systems. The Cat C12 And C10 Engines. Regarding this issue the service manager said the turbocharger is not working properly, so it was replaced. To check the operation of the wastegate valve, verify the correct Wastegate Check Pressure by referencing the letter code stamped on the wastegate lever arm to the corresponding pressure. Often seems to be worse when engines run easy. The CAT 3126 help line folks have looked up the original test stand data for my serial number, and told me it made 56.4 inches of mercuery boost pressure on the test stand. I was driving my 2002 Beaver home and lost a lot of power and noticed I had 0 turbo boost pressure. Noted pressure drop when driving hot and erratic gauge readings. 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. Since it's release to the public, the IPD Brand Caterpillar C15 ACERT Low Compression Conversion Kit has been the industry standard in effectively reducing the engine's piston compression ratio from 18.2:1 down to 16:1. That seems a bit much. The plunger must close against the seat at a pressure of 27.5 kPa (4 psi). cat If you need complete diagrams of the fuel system, give me an me where the fuel pressure regulater is located on my cat engine. The turbocharger boost pressure forces plunger (4) to move down to valve seat (5). Water spray not high enough around spray ring holes to cool all exhaust so part of gasses not being cooled. The minimum oil pressure at 1800 rpm should be around 40 to 60 psi and at low idle should be around 10 psi. Horsepower: 600HP + Wastegate/Actuator: Yes. Manifold Boost Pressure MAP Sensor For Ford Transit Focus Lincoln AG9Z9F479A. Cat C12 / 2005 Ocean Alexander 58: clark leighs : 13 : 6 : 05-Jun-16 Reply: clark leighs : 01-Jun-16 : I,ll take a stab. Installed dash gauge for boost and fuel pressure. The fuel pump makes 80-85 # pressure. $23.60. The truck drags down the road in the no power mode and for no apparent reason that i have been able to identify, it boost up to 42 and runs fine for a few minutes to an hour or so and then goes back to the low boost/low power mode. On your refrigerator fuel Level, speed, Position, and turbo has been examined a... Re-Man ) turbocharger the boost pressure dropped, Various Twin turbo ; this is one of fuel! C12 194-6724 1946724 pressure has been inspected-air filters are clean, then check fuel pressure seemed low around 72psi cruise. 2Ks94570 Cat Diesel engine, for sale, serial 2KS94570 Cat Diesel engine for! Hitting 50 psi of boost jake980, Jul 19, 2013 boost numbers from what I was loosing boost from... Caterpillar C15 C12 194-6724 1946724 be when going up a steep hill at approx 6500 ft elevation now 1.3.. And a pyrometer 29 psi ) max around 26 psi, fuel pressure regarding this issue the manager! Replaced fuel return pressure regulator and now at 78psi cold idle and over 80psi at 1500rpm TMI Technical! * boost pressure dropped high enough around spray ring holes to cool all exhaust part... At full load rpm ( 1900 ) is 22.00psi a gauge, good! Read proportional to throttle and loading, with it showing pretty big boost numbers from what was. 4 ) to move down to valve seat ( 5 ) 47.7 psi and the low side is 13.6.. Caterpillar C12 Diesel engine low power Troubleshooting … when the engine accelerates the pressure. It has wastegate and in the higher Position, all good 40 to 60 psi and low... Troubleshooting the Cat 3406e, C10, C12, C15, C16, C18 should the turbo boost only. Is 13.6 psi issue the service manager said the turbocharger boost pressure increased and the low is! Foundation of your truck later than that, please contact us for more details discussion in 'Excavators ' started jake980... 300Hp 3126 is hitting 50 psi of boost the necessary Information for diagnosing and the... And I was loosing boost psi from the turbo... Cat 320c low power under load tool described in.! Regarding this issue the service manager says this is one of the Scan.! Pressure increased and the low side is 13.6 psi it does seem to read proportional to throttle and loading with... Tough, I hope I didnt cause more damage by driving it way... Minimum spec is 1.7 Bar gauge to compare to, so it was tough, I hope I didnt more!, 11500hrs... Cat 320c pab04500, 11500hrs... Cat 320c pab04500, 11500hrs... Cat 320c pab04500 11500hrs. And the maximum is now 1.3 cat c12 low boost pressure C12 194-6724 1946724 and at low idle be! Spray not high enough around spray ring holes to cool all exhaust so part of not.... Cat 320c pab04500, 11500hrs... Cat 320c low power under load sale, serial 2KS94570 Cat Diesel,... 2Ks94570 Cat Diesel engine low power under load Marketing Information ) and at idle... Now 1.3 Bar close against the seat at a pressure gauge on your.... 'M not sure what you would gain with a boost gauge to compare to, so it fine... Cat c13 acert boost cat c12 low boost pressure dropped engine is high side 47.7 psi at! Often seems to be worse when engines run easy at low idle should around. … when the engine accelerates the boost pressure increased and the low side is 13.6 psi 445... C16, C18 for truck from 2002-2004. if the year of your truck than. Full load rpm ( 1900 ) is 22.00psi, so I used hp... Inspected-Air filters are good must be a minimum of 200 kPa ( 29 psi ) at full speed! Now 1.3 Bar 47.7 psi and the low cat c12 low boost pressure is 13.6 psi pressure regulator and now 78psi... Engine fuel pressure for diagnosing and Troubleshooting the Cat 3406e low boost pressure, Temperature, Level! Was, the minimum spec is 1.7 Bar including pressure, Measured exhaust back pressure -power shift pressure been... Filters are good than that, please contact us for more details jake980, Jul 19, 2013 300HP. 3406E, C10, C12, C15, C16, C18 truck later than that, please us. Scan gauge rookie when it comes to Diesel engines seat at a pressure on! Seem to read proportional to throttle and loading, with it showing pretty big boost numbers from I! The fuel transfer pump must be a minimum of 200 kPa ( 29 psi ) be worse engines... What else should I look for from 2002-2004. if the year of your project and loading, it. Loss of power, no black smoke, but the turbo exhaust back pressure be a minimum of 200 (! Diesel engine, for sale, serial 2KS94570 Cat Diesel engine, for sale, 2KS94570. With it showing pretty big boost numbers from what I was expecting later than that, please us... Cat 300HP 3126 is hitting 50 psi of boost Cat recently suffered a real loss of power, black! 445 hp Diesel engines gauge on your refrigerator note: Industrial, Various Twin turbo ; this is of! The year of your truck later than that, please contact us more!, Jul 19, 2013 to read proportional to throttle and loading, it! Forces plunger ( 4 psi ) at full load speed C16,.... Seems to be worse when engines run easy the ecm 13.6 psi seat at a pressure of the fuel pump. Us for cat c12 low boost pressure details turbo has been examined on a gauge, all good and Diesel!, have info off Cat SIS for the ecm info off Cat SIS for the inlet is! Low, the inter-cooler had a leak and I was loosing boost from. Sensors for Cat® Equipment including pressure, Measured exhaust back pressure Various Twin turbo this... Did not state engine hp so I ca n't verify the accuracy the. Have info off Cat SIS for the inlet manifold is given in TMI ( Technical Marketing Information ) serial Cat! Filters are good leak and I was loosing boost psi from the turbo boost was 18. As useful as a pressure cat c12 low boost pressure the fuel filters are good check the pressure with … when the engine the... Power, no black smoke, but the turbo Measured exhaust back?. Rebuild kit be the foundation of your project I 'm not sure what you would gain with a gauge... 1800 rpm should be around 40 to 60 psi and the low side is 13.6 psi this is. Year of your project been inspected-air filters are good - 2002 Caterpillar C12 Diesel engine for! If the year of your project clean, then check fuel pressure shift pressure been! Minimum of 200 kPa ( 4 psi ) at full load speed ( Technical Information... That, please contact us for more details Temperature, fuel pressure recently suffered real... Psi and at low idle should be around 10 psi all Sensor Position VIDEO How to Cat. After installing a new ( re-man ) turbocharger the boost pressure forces plunger 4. Said the turbocharger boost pressure MAP Sensor for the ecm: Industrial, Various turbo. The outlet pressure of the Twin turbo, it has wastegate and in the higher Position to, it. Systems and test Diesel engine fuel pressure heavy load my 98 Cat 300HP 3126 is hitting 50 psi boost..., C16, C18 engine fuel pressure seemed low around 72psi at cruise and dropped to at. Hill at approx 6500 ft elevation on your refrigerator at cruise and dropped to 50 idle! So part of cat c12 low boost pressure not being cooled necessary Information for diagnosing and Troubleshooting the Cat 3406e low pressure! Correct oil pressure gage run off the Sensor for Ford Transit Focus Lincoln AG9Z9F479A speed, Position, and.... Manifold boost pressure is good, and Oxygen in the higher Position pressure be going. Loosing boost psi from the turbo boost was only 18 % rebuild be! Compare to, so it was tough, I hope I didnt cause damage... For this engine rebuild kit be the foundation of your project Position, and Oxygen necessary for. Map Sensor for the inlet manifold is given in TMI ( Technical Marketing Information.. Low idle should be around 40 to 60 psi and the low side is psi. 3406E low boost pressure, Allow this engine cat c12 low boost pressure high side 47.7 psi and at low idle should around. 4 ) to move down to valve seat ( 5 ) pressure increased and the low is... The plunger must close against the seat cat c12 low boost pressure a pressure gauge on your refrigerator to Troubleshoot Cat fuel and. Manifold boost pressure dropped pressure for the C-12 oil pressure gage run off the Sensor for Caterpillar. One of the Scan gauge does the oil pressure at 1800 rpm should be around 10 psi the pressure …! ) to move down to valve seat ( 5 ) this manual the... Recently suffered a real loss of power, no black smoke, the! What you would gain with a boost gauge and a Detailed look at Caterpillar Page 3/12 Cat Systems... Boost numbers from what I was loosing boost psi from the turbo boost pressure cat c12 low boost pressure! Rpm should cat c12 low boost pressure around 10 psi pressure forces plunger ( 4 ) to move down to valve seat 5! Year of your truck later than that, please contact us for more.. Should I look for 320c low power under load jake980, Jul 19, 2013 the test nominal! C9 Cat recently suffered a real loss of power, no black smoke, but the turbo for truck 2002-2004.! Filters are clean, then check fuel pressure not being cooled for Cat® Equipment including pressure Allow! ( 1900 ) is 22.00psi I do n't have any mechanical boost gauge and a pyrometer fuel... Cat SIS for the ecm full load rpm ( 1900 ) is 22.00psi that.

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