Vocational, Technical or Trade Scho. Around 1500 or below around 35. If a High Boost Pressure Event occurs, the wastegate is closing properly. 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. Good luck Normally when it should and doesnt, the ECM will turn on the check engine light and set a boost not responding code. The Cat ® C18 Industrial Diesel Engine is offered in ratings ranging from 429-522 bkW (575-700 bhp)@ 1800-1900 rpm. current above normal or shorted to ground, active regeneration inhibited due to low exhaust temperature, ATD filter temperature sensor voltage above normal, ATD filter temperature sensor voltage below normal, ATD differntial pressure, high filter restriction, ATD differential pressure voltage above normal, ATD differential pressure voltage below normal, ATD differential pressure , filter restricted, ATD exhaust gas temperature 2 data drifted high, ATD exhaust gas temperature 2 voltage above normal, ATD exhaust gas temperature 2 voltage below normal, aftertreatment fuel pressure sensor voltage above normal, aftertreatment fuel pressure sensor voltage below normal. I echo that sentiment - we have some Series 60 Detroits in highway tractors that won't even let you use all the HP on the footfeed. Login with username, password and session length. It sounds like low, Jerry, here is some info. wrote regarding boost gauges on electronic Cats: >Sort of seems as useful as a pressure gauge on your refrigerator. I did mention. I am happy to assist. However, normal oil pressure is around 50 psi. Perform a torque converter stall test. Customer complains that truck goes into limp mo … read more. Vern  I posted a few comments about a month ago re the C13 -525, A stock c13-525 in the 06 Thunder I'm sure the Marquis is similar is 525 hp and 1600 ftlbs of torque in reality your engine to the rear wheel on a dyno is 400hp and 1200 ftlbs of torque, now I have done two steps to increase my hp and especially the torque the first step was the exhaust and air filter changed the stock exhaust from 4" to 5" and air filter to a K&N Diesel air filter paper style which you can wash and my HP rating went to 450hp and the torque was 1390 a nice gain but still not enough power as my Coach and yours is heavy so I did step # 2 and did an ecm tune on the engine computer and you would not believe the results. The normal boost pressure under load should be between 35-42 psi depending on rpm. I will see if beaver in bend can check these two items or if it is just the added weight. Designed to … Hi, have info off Cat SIS for the C-12 oil pressure. to look for ( low power/poor response to foot feed. ) One thing about Cat engine oil pressure it run very low and the build of all Cat engines the oil system is flooded with At idle or low RPM's the fuel pressure is around 70-75. For a C12 with normal duty getting 6-7 mpg, weighing <=80K lbs, idle time of 20%, and an oil sump of >= 36 qt, the max interval is 20K miles. Cat Man. Use Cat ET to override the wastegate to 0 percent. The Big Boss Turbo design has been created to withstand the toughest heat cycle conditions adding reliability with performance and efficiency. Here is something else to think about – the older 425-B Cat engine, which was mechanical, had aluminum pistons, did not smoke on cold start-ups, achieved good fuel mileage, made great power, started easily, had long engine life, and only had one wire going to the engine to run it, produced 19.3 horsepower per pound of turbo boost! we had a low boost code before we changed the turbo. The reason I ask is that it is time to replace the original cat c12 turbo, and I'm look … Of course, boost pressure is a function of engine load. Please reply back if you need more help or have more questions. Customer reply replied 6 years ago. 53 18. The correct oil pressure for this engine is high side 47.7 psi and the low side is 13.6 psi. I try to do mine yearly or at 10K miles whichever comes first. I have 2008 c12 acerts rated at 705hp Do your homework on the salt water cooling system, the after cooler cores have a 6 year life and will run your 3k+ each. To be honest, the desired does not always match the actual boost pressure. Cat c12 2ks 2002 turbo options. All Cat Diesel Truck engines have Fuel Transfer Pumps, it is good idea to know how they work and how to change them. Sensors for Cat® Equipment including Pressure, Temperature, Fuel Level, Speed, Position, and Oxygen. I have a C7 cat [kal85083] with a code 102-3 boost pressure high[25].I used a lap top with cat soft ware to retrieve this code.It is not an active code. Ask Your Own Medium and Heavy Trucks Question. i have a 1998 475 cat, it will not boost over 10 pounds until it get to 1450 rpms, ... hello i have a cat c12 engine in a 2000 international and my turbo seems to have low pressure under a heavy load it will only show about 14 pounds while climbing a hill and the power is sluggish when … read more. Vocational, Technical or Trade Scho. I use a visible boost gauge, can I use a Borg-Warner turbo without a waste gate. C15 ACERT MXS Cat boost pressure, no load. At high rpm it would be around 42. The amount of boost relative to engine speed and load depends upon the application, with the specification given for 28.8 in./Hg dry barometric pressure, 77°F (25°C) ambient temperature, and 35 API gravity fuel. The only way you get max HP is with the cruise engaged. The fuel pressure range o the C12 engine is 70 to 90 psi. Looking for more information? Fuel pressure is normally 70-90 psi. After 15 seconds, a High Boost Pressure Event should result. The turbocharger boost pressure forces plunger (4) to move down to valve seat (5). If the air is denser, that is, if barometric pressure is higher and/or temperature lower, boost pressure will be higher than specified. An indication of a problem with the wastegate turbocharger is: * boost pressure is too high at full load conditions. This is the complete list of Caterpillar fault codes. At high RPM's the fuel pressure is around 85-90 psi. For a C12 with normal duty getting 6-7 mpg, weighing <=80K lbs, idle time of 20%,  and an oil sump of >= 36 qt, the max interval is 20K miles. CAT's data indicates for a C12, actual permissible mileage between oil changes is based on a number of factors including fuel consumption, type of service duty, vehicle weight, oil sump size and idle time%. Get a closer look at the Cat® C12.9 high performance engine as Hashim Marzuq from Caterpillar Marine Group discusses key features and benefits in this walkaround. It goes up hills fine when going starts above 40 milesper hour. You may >have about as much control. Available for: 2000-2004 CAT C12 Engines Warranty: 1 Year Unlimited Mile Warranty Get better fuel efficiency and drivability from your Caterpillar C12. Check Cat ET for the following logged Diagnostic Codes 190-02 and 190-08. Cat Engine Expert. As the boost pressure increases against the diaphragm in canister (2), the wastegate valve is opened and the rpm of the turbocharger is limited by bypassing a portion of the exhaust gases past the turbine wheel of the turbocharger. Your Cat dealer can program some of the values in the monitoring system to different trip points if you´d like. 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. Vern, may I suggest before going to a great deal of cost on your engine. The plunger must close against the seat at a pressure of 27.5 kPa (4 psi). but now the code is gone and has not reappeared. Discussion in 'Trucks [ Eighteen Wheelers ]' started by ingedavi, Apr 27, 2013. http://prevostcommunity.com/PDF/Motor%20Home%20Fuel%20economy.pdf, Quote from: Dave Atherton on April 16, 2015, 04:57:55 AM. Caterpillar Engine, Temperature and Pressure Sensor. Did not state engine hp so I used 445 hp. The big cats can be expensive quick if the maintainence is neglected. The fuel check pressure seems like a great idea. This video discusses the design, history, and problems with the Cat C12 and C10 engines. 10,221 satisfied customers. Vern, what you just mentioned about engine slow response at start than has power. Normal coolant temp is 185-190 but will rise to 205-210 when running WFO. CAT's data indicates for a C12, actual permissible mileage between oil changes is based on a number of factors including fuel consumption, type of service duty, vehicle weight, oil sump size and idle time%. I have a 475hp MXS. When the calculated engine exhaust gas temperature … I have checked with a cat shop and tbey said to put a meter on the air filter side as it could be a leak in the turbo hoses. Caterpillar Engine Expert. Boost pressure. Cat Man. Barometric Pressure : Voltage Below Normal Atmospheric Pressure Sensor : Voltage Below Normal CAT C13, C15, and C18 Tier 4 Final Engine Fault Codes N/A N/A N/A N/A N/A N/A N/A 80-1275 Page 1 of 14 Rev: 03/2019. 102-03 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 ATD exhaust gas temperature 2 voltage below normal: 332: 3: aftertreatment fuel pressure control: aftertreatment fuel pressure sensor voltage above normal: 332: 4: aftertreatment fuel pressure control: aftertreatment fuel pressure sensor voltage below normal: 332: 11: aftertreatment fuel pressure control: aftertreatment fuel presuure high: 333: 5 Our large selection of Caterpillar manuals has in-depth information suitable for any job, big or small. Are these 700HP C-12? The C12.9 marine propulsion engine is ideal for high performance marine applications including yachts, fishing vessels, military vessels, governmental vessels and various other high performance marine applications. Thanks for the info. Jan 1, 2008 Eau Claire, WI 0. Plus the heat exchanger, fuel cooler, trans cooler cleaning. Exhaust Gas Temperature Derate often occurs if these Cat bridge engines are put under prolong heavy loads and/or climbing steep grades. The ECM calculates the engine exhaust gas temperature, by using the readings of the Inlet Manifold Temperature Sensor and the Atmospheric Pressure Sensor (along with a rpm factor). Page 1 of 2 1 2 Next > Apr 27, 2013 #1. ingedavi Light Load Member. When going downhill, coasting in gear at 1200 rpm I'm having a boost reading of 5 psi and the gauge will twitch one time. 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