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2. As kind of an experiment I turned the MP-8 on and boost hit 31 - it dropped two gears but when it shifted back into 5th the alarm and check engine light came on. Brett katlen86 Members 11 posts Report Caterpillar Fault Code manuals provide complete information for finding and eliminating flash codes. I only get 12psi to 15 psi of manifold pressure now. 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. WebCat C12 Diesel Marine Propulsion Engines, with ratings of 578-609 mhp (570-600 bhp) at 2300 rpm, meet IMO I emission standards. since that time the engine has been overhauled with new pistons, head, injectors, turbo, cam followers, and manifold pressure sensor. The boost ran about 26.6 going up the mountains north of Redding. However, normal oil pressure is around 50 psi. Something as simple as a broken hose clamp could allow boost pressure to blow the hose off. Web102-03 Boost Pressure Sensor Open Circuit 25 253-02 Check Customer or System Parameters 56 102-04 Boost Pressure Sensor Short Circuit 25 253-11 Check Transmission Customer Parameters 56 105-00 High Intake Manifold Temp Warning 64 253-14 Truck Manufacturer Parameter Not Programmed 56 Still no power. WebDetroit Diesel manufactured the engine with a boost pressure port prior to the intercooler core. The plunger must close against the seat at a pressure of 27.5 kPa (4 psi). If a wastegate is fitted with springs rated to 7PSI, it will open when it receives 7PSI of pressure to the actuator. Its operating range is 1,200 to 2,100 RPM. Only show this user. Its operating range is 1,200 to 2,100 RPM. It doesn't pull in 10th much at all. no mpg loss at highway speed. As kind of an experiment I turned the MP-8 on and boost hit 31 - it dropped two gears but when it shifted back into 5th the alarm and check engine light came on. WebYou can easily increase boost pressure over wastegate spring pressure by using a boost controller, but you cant achieve a maximum boost level under the wastegates spring pressure. 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. Step-by-step diagnostics Troubleshooting procedures Wire diagrams Pinouts Ohm and voltage readings and more! I have a 03 mbl c12 is it normal for the boost to very from 20-28 psi through the whole time while climbing a grade in 9th gear? There is also a wide range of optional However, normal oil pressure is around 50 psi. Normal coolant temp is 185-190 but will rise to 205-210 when running WFO. Normal coolant temp is 185-190 but will rise to 205-210 when running WFO. If a wastegate is fitted with springs rated to 7PSI, it will open when it receives 7PSI of pressure to the actuator. My 2002 c12 does not have the power it used to. That is well above the green band. Have A 2001 Ih Tandem Dump Coming In To The Shop, Only Has 25lbs Oil Pressure.happened All At Once Customer Said. utilizing said port. Check "plumbing" between turbo and CAC and CAC and engine. utilizing said port. The plunger must close against the seat at a pressure of 27.5 kPa (4 psi). Anyway, the Cat C12 12.0L engine makes up to 445 horsepower and 1,650 lb-ft. Its not quite as capable as the larger C15 or the C13 successor. It is very flat below that, and doesn't pull very well. Fuel This started about 8 month ago. To add another data point to your original question about boost - our C12 typically generates 22 psi boost under full load-full speed conditions. I'm in the uk and have a CAT C12 in a tipper -dump truck. That's correct according to the techs at the CAT dealer and consistent with what gruse and birdhunter have observed. When was it last lubed? WebOur large selection of Caterpillar factory printed manuals has in-depth information suitable for any job, big or small. 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. Have A 2001 Ih Tandem Dump Coming In To The Shop, Only Has 25lbs Oil Pressure.happened All At Once Customer Said. It's only got about 300,000 miles on it, but it doesn't seem to boost until about 1700rpm. This started about 8 month ago. Running about 60 mph on cruise control it would shift down one gear and hold about 55 mph. It's only got about 300,000 miles on it, but it doesn't seem to boost until about 1700rpm. 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. I have a 03 mbl c12 is it normal for the boost to very from 20-28 psi through the whole time while climbing a grade in 9th gear? My 2002 c12 does not have the power it used to. (28) Boost pressure sensor (29) Boost pressure The injection pump, the fuel lines, and the nozzles that are used in the traditional Caterpillar diesel engines have been replaced with an electronically controlled, mechanically actuated electronic unit injector in no mpg loss at highway speed. However, normal oil pressure is around 50 psi. It doesn't pull in 10th much at all. I can barely keep a 42k load going 70. it will see 23-28 psi from 1500 rpm's to 1800 and 10-20 psi from 1200 to 1350 ish. To add another data point to your original question about boost - our C12 typically generates 22 psi boost under full load-full speed conditions. Its operating range is 1,200 to 2,100 RPM. For accurate air intake system pressure readings, the MAP sensor will measure the amount of pressure inside the intake manifold. May 14, 2007. Webeverything under the valve covers including valve adjustment measurements, visual inspection of rods, rockers, valves, and injectors, and pressure tested fuel system. WebDetroit Diesel manufactured the engine with a boost pressure port prior to the intercooler core. However, normal oil pressure is around 50 psi. 2. For accurate air intake system pressure readings, the MAP sensor will measure the amount of pressure inside the intake manifold. Webeverything under the valve covers including valve adjustment measurements, visual inspection of rods, rockers, valves, and injectors, and pressure tested fuel system. Only show this user. It is very flat below that, and doesn't pull very well. I can barely keep a 42k load going 70. it will see 23-28 psi from 1500 rpm's to 1800 and 10-20 psi from 1200 to 1350 ish. Something as simple as a broken hose clamp could allow boost pressure to blow the hose off. There is also a wide range of optional WebOur large selection of Caterpillar factory printed manuals has in-depth information suitable for any job, big or small. WebAir Inlet Manifold Pressure Sensor, fits Caterpillar C12 Engines. Cat C12 diesel engines weigh in at 2,070 lbs, so uses are mostly limited to larger trucks, buses, and machinery. It is very flat below that, and doesn't pull very well. Of course, boost pressure is a function of engine load. Something as simple as a broken hose clamp could allow boost pressure to blow the hose off. Anyway, the Cat C12 12.0L engine makes up to 445 horsepower and 1,650 lb-ft. Its not quite as capable as the larger C15 or the C13 successor. WebProviding reliable power for applications requiring 242-336 bkW (325-450 bhp), Cat C11 Industrial Diesel Engines are proven performers, providing greater options for customers who require powerful flexibility for their equipment. Normal coolant temp is 185-190 but will rise to 205-210 when running WFO. There is also a wide range of optional What brand is it? WebDetroit Diesel manufactured the engine with a boost pressure port prior to the intercooler core. I have checked for leaks in intercooler and pipes. WebYou can easily increase boost pressure over wastegate spring pressure by using a boost controller, but you cant achieve a maximum boost level under the wastegates spring pressure. Running about 60 mph on cruise control it would shift down one gear and hold about 55 mph. WebAuxiliary Pressure #1 : Voltage Above Normal Auxiliary Pressure Sensor : Voltage Above Normal 1387-4 1835-4 Auxiliary Pressure #1 : Voltage Below Normal Auxiliary Pressure Sensor : Voltage Below Normal 1761-3 3130-3 Aftertreatment 1 Diesel Exhaust Fluid Tank Level : Voltage Above Normal It doesn't pull in 10th much at all. Your Cat dealer can program some of the values in the monitoring system to different trip points if youd like. Check "plumbing" between turbo and CAC and CAC and engine. Fuel pressure is normally 70-90 psi. Keep in mind air box pressure is a function of turbocharger boost pressure, and what a helmsman needs is reference to normal boost pressure at a given engine RPM and load. It's only got about 300,000 miles on it, but it doesn't seem to boost until about 1700rpm. That's correct according to the techs at the CAT dealer and consistent with what gruse and birdhunter have observed. This started about 8 month ago. Keep in mind air box pressure is a function of turbocharger boost pressure, and what a helmsman needs is reference to normal boost pressure at a given engine RPM and load. Check "plumbing" between turbo and CAC and CAC and engine. If you have an exhaust brake, VERIFY that the butterfly valve is not stuck shut. I've seen it touch 24 psi briefly on occasion. Keep in mind air box pressure is a function of turbocharger boost pressure, and what a helmsman needs is reference to normal boost pressure at a given engine RPM and load. Normal coolant temp is 185-190 but will rise to 205-210 when running WFO. The boost ran about 26.6 going up the mountains north of Redding. Step-by-step diagnostics Troubleshooting procedures Wire diagrams Pinouts Ohm and voltage readings and more! Fuel No obvious cracks around turbo. Fuel pressure is normally 70-90 psi. I have checked for leaks in intercooler and pipes. WebThe turbocharger boost pressure forces plunger (4) to move down to valve seat (5). Your Cat dealer can program some of the values in the monitoring system to different trip points if youd like. no mpg loss at highway speed. WebAuxiliary Pressure #1 : Voltage Above Normal Auxiliary Pressure Sensor : Voltage Above Normal 1387-4 1835-4 Auxiliary Pressure #1 : Voltage Below Normal Auxiliary Pressure Sensor : Voltage Below Normal 1761-3 3130-3 Aftertreatment 1 Diesel Exhaust Fluid Tank Level : Voltage Above Normal Are these 700HP C-12? Anyway, the Cat C12 12.0L engine makes up to 445 horsepower and 1,650 lb-ft. Its not quite as capable as the larger C15 or the C13 successor. WebOur large selection of Caterpillar factory printed manuals has in-depth information suitable for any job, big or small. utilizing said port. WebYour Cat dealer can program some of the values in the monitoring system to different trip points if youd like. fuel pressure with mechanical gauge at filter housing is normal. I'm in the uk and have a CAT C12 in a tipper -dump truck. The plunger must close against the seat at a pressure of 27.5 kPa (4 psi). My 2002 c12 does not have the power it used to. I only get 12psi to 15 psi of manifold pressure now. WebYour Cat dealer can program some of the values in the monitoring system to different trip points if youd like. However, normal oil pressure is around 50 psi. Two things to start with: 1. fuel pressure with mechanical gauge at filter housing is normal. Normal coolant temp is 185-190 but will rise to 205-210 when running WFO. Two things to start with: 1. No obvious cracks around turbo. Of course, boost pressure is a function of engine load. WebCat 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. If you have an exhaust brake, VERIFY that the butterfly valve is not stuck shut. If a wastegate is fitted with springs rated to 7PSI, it will open when it receives 7PSI of pressure to the actuator. Normal coolant temp is 185-190 but will rise to 205-210 when running WFO. I'm in the uk and have a CAT C12 in a tipper -dump truck. Fuel Still no power. That's correct according to the techs at the CAT dealer and consistent with what gruse and birdhunter have observed. When was it last lubed? As kind of an experiment I turned the MP-8 on and boost hit 31 - it dropped two gears but when it shifted back into 5th the alarm and check engine light came on. No obvious cracks around turbo. Web102-03 Boost Pressure Sensor Open Circuit 25 253-02 Check Customer or System Parameters 56 102-04 Boost Pressure Sensor Short Circuit 25 253-11 Check Transmission Customer Parameters 56 105-00 High Intake Manifold Temp Warning 64 253-14 Truck Manufacturer Parameter Not Programmed 56 Are these 700HP C-12? I have a 03 mbl c12 is it normal for the boost to very from 20-28 psi through the whole time while climbing a grade in 9th gear? (28) Boost pressure sensor (29) Boost pressure The injection pump, the fuel lines, and the nozzles that are used in the traditional Caterpillar diesel engines have been replaced with an electronically controlled, mechanically actuated electronic unit injector in WebProviding reliable power for applications requiring 242-336 bkW (325-450 bhp), Cat C11 Industrial Diesel Engines are proven performers, providing greater options for customers who require powerful flexibility for their equipment. Running about 60 mph on cruise control it would shift down one gear and hold about 55 mph. I used to get 27 to 30 psi. However, normal oil pressure is around 50 psi. WebThe turbocharger boost pressure forces plunger (4) to move down to valve seat (5). 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