Sylvie Willis
Jasper Engines & Transmissions offers a range of diesel engine air and fuel system components, including fuel pumps, injectors, and turbochargers. The company remanufactures over 6,500 diesel engines annually, including Caterpillar, Cummins, GM, International, Ford, Isuzu, and Perkins engines. Jasper's fuel injectors are available in both electronic and mechanical formats and are designed to meet or exceed OEM specifications. The company also provides Fuel Injector Control Modules (FICMs) and Injection Pressure Regulator (IPR) valves, ensuring precise fuel delivery and proper engine performance.
| Characteristics | Values |
|---|---|
| Fuel Injector Types | Mechanical, Electronic |
| Injector Models | HEUI 7.3 and 446, 6.0 and 6.4 Bosch Common Rail |
| Injector Accessories | Fuel Injector Control Modules (FICMs), Injection Pressure Regulator (IPR) valves, contamination kits |
| Injector Testing | Opening pressure, spray pattern, atomization, leakage, flow |
| Injector Warranty | One Year Parts & Labor Warranty with no mileage restrictions |
| Injector Calibration | Computer-aided equipment |
| Injector Applications | GM 6.5L and 6.6L Duramax, International 444 and 6.0L, Cummins ISB, Mercedes 2.7L |
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What You'll Learn
Remanufactured fuel injectors
GB Remanufacturing, Inc. and Big Bang Injection are two companies that specialize in remanufactured fuel injectors. GB Reman offers a comprehensive gasoline fuel injector program with over 1,100 part numbers covering more than 68,000 vehicle applications. They also provide a complete suite of equipment to test both gasoline and diesel fuel injectors. Big Bang Injection (BBI), on the other hand, offers a 1-year warranty with unlimited mileage on their remanufactured injectors. Their process includes disassembling, ultrasonically cleaning, and assembling the injectors with new parts, such as a hard chrome-coated valve set and a DLC-coated nozzle.
JASPER Engines & Transmissions is another reputable company that offers remanufactured fuel injectors as part of their diesel engine air and fuel system components. They specialize in providing dependable turbos and fuel components for various applications, including automotive, marine, and fleet industries. JASPER's commitment to innovation and industry experience allows them to deliver reliable and top-quality solutions. Their product line includes fuel pumps, high-pressure oil pumps, injectors, turbochargers, and Fuel Injector Control Modules (FICMs) that regulate fuel delivery.
When considering remanufactured fuel injectors, it is important to weigh the benefits of cost savings against potential concerns. While the body of a fuel injector can last indefinitely, the rubber hoses and lines may be a cause for worry, as they can deteriorate over time. It is recommended to inspect these parts and replace them if necessary. Additionally, some vehicles may have unique injector designs, so it is advisable to seek out specialists familiar with the specific injector type.
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Fuel Injector Control Modules (FICMs)
FICMs work differently depending on the type of engine. In gasoline engines, air and fuel are injected simultaneously. However, in diesel engines, the FICM injects air first and then the fuel. Diesel engines use direct injection, where the cylinders insert fuel directly into the combustion chamber, burning it to generate power. The FICM controls the electrical impulses that open and close the fuel injectors, ensuring precise fuel delivery.
The FICM collects information from various sensors, including the engine position sensor, fuel pressure sensor, injection pump speed sensor, and intake temperature sensor. It uses this data to regulate the flow of fuel and keep the engine running optimally. The ideal voltage for the FICM is 48 volts, and issues may arise if the voltage drops. For example, the Ford® 6.0L Power Stroke® engine's FICM supplies 48 volts to the injector solenoids, and a voltage drop can lead to improper oil flow regulation and fuel injector function.
FICMs are remanufactured to meet or exceed OEM specifications, and companies like Jasper Engines & Transmissions offer them as part of their diesel engine air and fuel system components. Jasper's FICMs are known for their dependability, backed by an industry-leading warranty and dedicated customer support.
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Injector types
Fuel injection systems have evolved considerably over the past century. The earliest and simplest type of fuel injection is the single-point injection system, which replaces the carburettor with one or two fuel-injector nozzles in the throttle body. This is also known as throttle body injection (TBI).
The next step up in complexity is the multi-point fuel injection (MPFI) system, which dedicates a separate injector nozzle to each cylinder, right outside its intake port. This is sometimes called port injection.
Sequential fuel injection, also known as sequential port fuel injection (SPFI) or timed injection, is a type of multiport injection. While basic MPFI systems spray fuel simultaneously or in groups, sequential injection triggers each injector nozzle independently, timed to spray fuel immediately before or as the intake valve opens. This improves efficiency and emissions.
Direct injection takes the concept further, injecting fuel directly into the main combustion chamber of each cylinder, bypassing the intake valve or manifold. This is more common in diesel engines but is also used in petrol engines, where it is known as GDI (gasoline direct injection). Direct injection produces maximum fuel economy and is more powerful.
Other types of injectors include:
- Unit injectors: Integrate the pump and nozzle into a single unit, offering space efficiency but posing challenges in repair and maintenance.
- Common rail injectors: Use a high-pressure fuel rail to enable precise fuel delivery at accurate timings across multiple injectors.
- Hydraulically actuated injectors: Utilise hydraulic pressure to operate the nozzle, offering a cost-effective and simple alternative to electronic variants.
- Piezoelectric injectors: Employ piezoelectric crystals for nozzle control, ensuring meticulous fuel delivery and timing at a higher cost.
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Injector testing
Preparation
Before initiating injector testing, it is crucial to prioritize safety. Avoid smoking or open flames during the testing process as gas fumes can catch fire. Park your vehicle, engage the emergency brake, and allow it to cool down completely before starting the testing procedure. Additionally, refer to your vehicle's owner's manual for specific instructions related to fuel injector testing and engine care.
Listening Test
Start the engine and let it idle. Place the tip of a long metal screwdriver against one of the fuel injectors while the engine is running. This method helps identify injectors that are not functioning properly.
Visual Inspection
Externally clean the injectors and conduct a thorough visual inspection to identify any signs of damage or clogging.
Leak Testing
Perform a leak test to check for any fuel leaks from the injectors. A leaking injector can lead to an imbalance in the fuel delivery system, affecting engine performance.
Spray Pattern and Atomization
Evaluate the spray pattern and atomization of the fuel injectors. A proper spray pattern ensures effective fuel atomization, which is crucial for a smooth and efficient combustion process.
Flow Rate Calculation
Calculate the flow rate of the injectors to determine if they are delivering the correct amount of fuel. This calculation involves mathematical computations to assess the injector's performance.
Electrical Testing
Fuel injectors are also tested for electrical parameters such as resistance (ohm test), inductance, shorts, and current draw. These tests ensure that the electrical aspects of the injectors are within the specified parameters.
Final Steps
After completing the testing procedures, the injectors are lubricated and sealed in poly bags to maintain their condition. A comprehensive test report is prepared and provided, detailing the results of the injector testing process.
It is worth noting that companies like Jasper specialize in providing dependable fuel components, including fuel injectors, that undergo rigorous testing and calibration to ensure optimal performance and durability.
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Injector warranty
Jasper Engines & Transmissions offers a selection of diesel engine air and fuel system components, including fuel pumps, injectors, and turbochargers. The company also provides Fuel Injector Control Modules (FICMs) and Injection Pressure Regulator (IPR) valves. Jasper's diesel injectors are remanufactured in a climate-controlled environment and are tested and calibrated using computer-aided equipment to ensure consistent quality and performance.
Now, coming to the injector warranty, it is important to note that the warranty duration for fuel injectors can vary depending on the manufacturer. Some warranties may cover only a few years, while others may offer lifetime coverage. It is always recommended to check the specific warranty information provided by the manufacturer of your vehicle or the injector itself.
Generally, if your car is covered under a manufacturer or factory warranty, repairs for fuel injectors are typically covered at no additional cost to you. Most standard factory warranties last for a limited period, often up to 3 years or 36,000 miles, whichever comes first. After this period, if your fuel injectors malfunction, you may have to bear the cost of repairs or replacements unless you have an extended warranty.
It is worth mentioning that manufacturer warranties usually have certain exclusions. For instance, they may not cover wear and tear, accidents, misuse, or modifications made by the vehicle owner. Additionally, some warranties may only cover the cost of replacement parts, while others may include the cost of repairs as well. To make a valid warranty claim, you typically need to provide proof of ownership, such as your vehicle's registration or purchase documents.
Furthermore, some companies, like Fuel Injector Clinic, offer aftermarket injector warranties. However, these warranties typically have specific exclusions, such as damage due to external factors like dirt or corrosion, and improper installation or use of the product. It is always advisable to carefully review the terms and conditions of any warranty to understand the specific coverage and limitations offered.
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Frequently asked questions
Jasper covers both electronic and mechanical remanufactured fuel injectors for popular applications like the HEUI 7.3 and 446, the 6.0 and 6.4 Bosch Common Rail, and a variety of injectors for different engine makes and models.
Jasper's fuel injectors are thoroughly tested to assure quality performance. Mechanical injectors are tested for opening pressure, spray pattern, atomization, and leakage, while electronic injectors are also tested for flow. Jasper's injectors are also improved with new parts to prevent stiction and come with a one-year parts and labor warranty with no mileage restrictions.
Jasper offers a range of diesel engine air and fuel system components, including fuel pumps, turbochargers, high-pressure oil pumps, Fuel Injector Control Modules (FICMs), Injection Pressure Regulator (IPR) valves, and contamination kits.
Jasper's fuel injectors are compatible with a wide range of diesel engines, including Caterpillar, Cummins, GM, International, Ford, Isuzu, Perkins, and Volvo. They are designed to meet or exceed OEM specifications and are reengineered to correct inherent design flaws.
