Cat Engine Expert. At high rpm it would be around 42. 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. we had a low boost code before we changed the turbo. 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 The only way you get max HP is with the cruise engaged. Vocational, Technical or Trade Scho. Available for: 2000-2004 CAT C12 Engines Warranty: 1 Year Unlimited Mile Warranty Get better fuel efficiency and drivability from your Caterpillar C12. Discussion in 'Trucks [ Eighteen Wheelers ]' started by ingedavi, Apr 27, 2013. to look for ( low power/poor response to foot feed. ) 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. To be honest, the desired does not always match the actual boost pressure. Cat Man. 53 18. 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 The correct oil pressure for this engine is high side 47.7 psi and the low side is 13.6 psi. C15 ACERT MXS Cat boost pressure, no load. 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%. Hi, have info off Cat SIS for the C-12 oil pressure. Are these 700HP C-12? Fuel pressure is normally 70-90 psi. Cat Man. 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. Page 1 of 2 1 2 Next > Apr 27, 2013 #1. ingedavi Light Load Member. I try to do mine yearly or at 10K miles whichever comes first. Jan 1, 2008 Eau Claire, WI 0. The big cats can be expensive quick if the maintainence is neglected. 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. 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. 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%. 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. Please reply back if you need more help or have more questions. The fuel pressure range o the C12 engine is 70 to 90 psi. One thing about Cat engine oil pressure it run very low and the build of all Cat engines the oil system is flooded with Use Cat ET to override the wastegate to 0 percent. The normal boost pressure under load should be between 35-42 psi depending on rpm. 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. At high RPM's the fuel pressure is around 85-90 psi. http://prevostcommunity.com/PDF/Motor%20Home%20Fuel%20economy.pdf, Quote from: Dave Atherton on April 16, 2015, 04:57:55 AM. Perform a torque converter stall test. Exhaust Gas Temperature Derate often occurs if these Cat bridge engines are put under prolong heavy loads and/or climbing steep grades. 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. Caterpillar Engine Expert. Vocational, Technical or Trade Scho. Of course, boost pressure is a function of engine load. 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). If a Cat Diesel Engine doesn't have good fuel pressure it can cause a lot of performance related issues. The turbocharger boost pressure forces plunger (4) to move down to valve seat (5). 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. After 15 seconds, a High Boost Pressure Event should result. 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. I am happy to assist. The fuel check pressure seems like a great idea. Login with username, password and session length. Customer reply replied 6 years ago. Thanks for the info. 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. This video discusses the design, history, and problems with the Cat C12 and C10 engines. Boost pressure. The reason I ask is that it is time to replace the original cat c12 turbo, and I'm look … However, normal oil pressure is around 50 psi. I have a 475hp MXS. 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). The Cat ® C18 Industrial Diesel Engine is offered in ratings ranging from 429-522 bkW (575-700 bhp)@ 1800-1900 rpm. Cat c12 2ks 2002 turbo options. It sounds like low, Jerry, here is some info. Plus the heat exchanger, fuel cooler, trans cooler cleaning. You may >have about as much control. 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. If a High Boost Pressure Event occurs, the wastegate is closing properly. Good luck An indication of a problem with the wastegate turbocharger is: * boost pressure is too high at full load conditions. I use a visible boost gauge, can I use a Borg-Warner turbo without a waste gate. Caterpillar Engine, Temperature and Pressure Sensor. The Big Boss Turbo design has been created to withstand the toughest heat cycle conditions adding reliability with performance and efficiency. Our large selection of Caterpillar manuals has in-depth information suitable for any job, big or small. At idle or low RPM's the fuel pressure is around 70-75. 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. 10,221 satisfied customers. Normal coolant temp is 185-190 but will rise to 205-210 when running WFO. This is the complete list of Caterpillar fault codes. Normally when it should and doesnt, the ECM will turn on the check engine light and set a boost not responding code. Designed to … 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. Check Cat ET for the following logged Diagnostic Codes 190-02 and 190-08. 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. More questions big Cats can be expensive quick if the maintainence is neglected if it is just the added.... O the C12 engine is 70 to 90 psi normal oil pressure ET to override the wastegate to percent... Pressure under load should be between 35-42 psi depending on RPM cat c12 normal boost pressure, 2013 # ingedavi..., 04:57:55 AM Cat SIS for the C-12 oil pressure is too at... Used 445 hp the turbo and efficiency up hills fine when going starts above 40 milesper.. If you need more help or have more questions it sounds like low, Jerry, here is some.! Not responding code 20economy.pdf, Quote from: Dave Atherton on April 16, 2015, 04:57:55.! 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