When to install cat C7 diesel performance chips?
10 Minute Install – UP TO 30% HP – 15% Fuel Savings ! NO FOOTPRINTS WHEN REMOVED – ON SALE NOW ! C7 ( 2001 – 2005 ) CAT Heavy Duty Truck Power Chip Diesel Performance Chips (SKU: CAT-C7-2001-2005-HD TRUCK)
How many Caterpillar C7 and C9 injectors are there?
There are approximately 65 different Caterpillar OEM part numbers for the C7 and C9 injector. These part numbers are related to the 7 remanufacturing numbers of primary Caterpillar 10R4761,10R4762,10R4763,10R7221,10R7222,10R7223,10R7224.
When did the Caterpillar C7 diesel engine come out?
Caterpillar began selling the C7 and C9 in 2003 and this production reached the 2009 model. Caterpillar designed the C7 and C9 to meet the new EPA requirements. The C7 and C9 diesel engine was a perfect solution for many medium-duty truck and bus manufacturers. The engine was an option available at Ford, Freightliner and many other manufacturers.
What kind of fuel system does caterpillar use?
The C7 and C9 fuel system is called the HEUI System due to the use of high pressure engine engine oil to feed the fuel injectors. There are approximately 65 different Caterpillar OEM part numbers for the C7 and C9 injector.
What kind of fuel does a cat C7 ACERT use?
In 2007 diesel fuel itself changed to Ultra Low Sulfur Diesel or ULSD. The fuel change dictated that the fuel system of the CAT C7 ACERT needed to change to a common-rail injection system. The new common-rail injectors took injection pressures to 25,000-27,500 psi. The fuel transfer pump supplies the fuel to the fuel rail at 280 psi.
What was the problem with the Caterpillar CAT C7 engine?
The ACERT Technology had a lot of problems for Caterpillar, first with the CAT C7 but more so later on with the CAT 13 and CAT 15 engines. The technology was really the first generation emissions technology for heavy duty diesel engines. The ACERT technology was prone to numerous regeneration issues. Drivers reported low power and low fuel economy.
What should I do if my cat C7 loses power?
It should bring up a code, loss of power, diagnostic usually starts, low boost, test the CAC, low fuel pressure, change the filters and be sure they are on properly, and the right ones, and proper pressure. The air system filter plugged, or exhaust. Turbo seized or malfunctioning, Valve set to tight.
What kind of pump does a C7 engine use?
Just a thought! The early C7 engines were HEUI. They also had the fairly early version of the HEP HEUI pump, and were prone to breaking springs on the delivery valves of the high pressure pump. Your symptoms sound about right for a HEUI pump problem.
