If it does could be the sensor. This manual contains the necessary information for diagnosing and troubleshooting the Cat 3406E, C10, C12, C15, C16, C18. Cat® C12 ACERT Diesel Marine Propulsion Engines, with ratings of 669-715 mhp (660-705 bhp) at 2300 rpm, meet IMO II emission standards. Heavy Duty Pressure Sensor For CAT Caterpillar C15 C12 194-6724 1946724. Checked the air filter it was fine, what else should I look for. .Any suggestions, I have already changed both fuel filters, the … Im a rookie when it comes to diesel engines. C 7 HEUI ENGINE ALL SENSOR POSITION VIDEO How To Troubleshoot Cat Fuel Systems and Test Diesel Engine Fuel Pressure. Did not state engine hp so I used 445 hp. Why buy from us? 4. Free shipping . The c-12 is a good engine. I have a 05 c13 acert twin turbo cat engine In a peterbilt truck. At Torque Check RPM (1200) the nominal boost should be 21.1psi, the floor spec is 17.9psi - not a million miles away from what you're measuring. Water spray not high enough around spray ring holes to cool all exhaust so part of gasses not being cooled. (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”). Intro and a Detailed Look at Caterpillar Page 3/12. Replaced fuel return pressure regulator and now at 78psi cold idle and over 80psi at 1500rpm. 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. the first one was, the inter-cooler had a leak and I was loosing boost PSI from the turbo. Manifold Boost Pressure MAP Sensor For Ford Transit Focus Lincoln AG9Z9F479A. cat c13 acert boost pressure, Allow this engine rebuild kit be the foundation of your project. The Cat C12 And C10 Engines. Rebuilt - 2002 Caterpillar C12 Diesel Engine,for sale,serial 2KS94570 Cat Diesel Engine Low Power Troubleshooting. Often seems to be worse when engines run easy. You may Know Your Engine. The outlet pressure of the fuel transfer pump must be a minimum of 200 kPa (29 psi) at full load speed. 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. This tool is similar to the Ford tool described in Chap. When I start the truck up and going down the road I can get up to 50 psi boost and at about 40 mph it goes down 30 to 35 psi and thats the most I can get out of it till I stop engine and startup it up again. Low quality fuel or water in fuel: However the floor of the spec is 18.65psi. Think about this: a good-running single-turbo 3406-E or C-15 single-turbo engine producing 550 hp requires 32 psi of turbo boost and the Acert 475 produces 38 psi of boost, while the 625 Acert is as high as 60 psi of boost. It may be worthwhile to watch the boost pressure and HP accelerating from a stop and see what it does in the 0-20MPH range and then in second gear and beyond. Engine: C15 ACERT High Pressure. When the engine accelerates the boost pressure dropped. I'm not sure what you would gain with a boost gauge and a pyrometer. Cat C12 / 2005 Ocean Alexander 58: clark leighs : 13 : 6 : 05-Jun-16 Reply: clark leighs : 01-Jun-16 : I,ll take a stab. According to the test spec nominal boost pressure at full load RPM (1900) is 22.00psi. The service manager says this is too low, the minimum spec is 1.7 Bar. The plunger must close against the seat at a pressure of 27.5 kPa (4 psi). R.W. cat 3406e low boost pressure, Measured exhaust back pressure? 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. 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. Cat C12 engine info. There was a manual in the collection I purchased from Cat which described a readout of actual pressures, temperatures, injector duty cycles, etc., but I'll bet that it's a couple of thous $. Cat C12 / 2005 Ocean Alexander 58: clark leighs : 13 : 6 : 05-Jun-16 Reply: clark leighs : 01-Jun-16 : I,ll take a stab. What should the turbo boost pressure be when going up a steep hill at approx 6500 ft elevation? Good for truck from 2002-2004. if the year of your truck later than that, please contact us for more details. That seems a bit much. Intake Air Manifold Pressure Map Sensor For … Sensors for Cat® Equipment including Pressure, Temperature, Fuel Level, Speed, Position, and Oxygen. Does the oil pressure gage run off the sensor for the ecm? Note: Industrial, Various Twin Turbo; This is one of the twin turbo, it has wastegate and in the higher position. 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. 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. Regarding this issue the service manager said the turbocharger is not working properly, so it was replaced. $15.34. My C9 cat recently suffered a real loss of power, no black smoke, but the turbo boost was only 18%. To my surprise under heavy load my 98 Cat 300HP 3126 is hitting 50 psi of boost! Caterpillar Engine, Temperature and Pressure Sensor. After installing a new (re-man) turbocharger the boost pressure increased and the maximum is now 1.3 Bar. $23.60. The correct oil pressure for this engine is high side 47.7 psi and the low side is 13.6 psi. If fuel pressure is lower than the above pressure, check the fuel transfer pump and fuel pressure regulating orifice at the fuel return line. The fuel pump makes 80-85 # pressure. Often seems to be worse when engines run easy. ... -boost pressure is good, and turbo has been inspected-air filters are good. $48.29. Hi, have info off Cat SIS for the C-12 oil pressure. The turbocharger boost pressure forces plunger (4) to move down to valve seat (5). Free shipping . Sort of seems as useful as a pressure gauge on your refrigerator. Made it home but it was tough, I hope I didnt cause more damage by driving it that way. The minimum oil pressure at 1800 rpm should be around 40 to 60 psi and at low idle should be around 10 psi. -power shift pressure has been examined on a gauge, all good. Horsepower: 600HP + Wastegate/Actuator: Yes. 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. Turbos can slow down with age and /or wear (excess pressure over time), and from saltwater getting to them because of a poorly designed wet exhaust system. 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. R.W. Check the pressure with … I don't have any mechanical boost gauge to compare to, so i can't verify the accuracy of the Scan Gauge. we did an injector cut out test and they seem to be ok. there are no fault codes and no smoke out of the stacks. $53.65. CAT Caterpillar C15 Acert Twin Turbocharger low Pressure Product Code: JM-C-20 Price: $0.00 Discussion in 'Excavators' started by jake980, Jul 19, 2013. Installed dash gauge for boost and fuel pressure. The correct pressure for the inlet manifold is given in TMI (Technical Marketing Information). * boost pressure is too low at all lug conditions. 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? 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. 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. cat 320c pab04500, 11500hrs ... cat 320c low power under load. 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. Will need to road test now. 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. 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. Water spray not high enough around spray ring holes to cool all exhaust so part of gasses not being cooled. It does seem to read proportional to throttle and loading, with it showing pretty big boost numbers from what I was expecting. 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. Boost runs max around 26 psi, Fuel pressure seemed low around 72psi at cruise and dropped to 50 at idle when hot. 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. 6. 47.7 psi and the low side is 13.6 psi high enough around spray ring holes cool. 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