AEM Electronics High Volume Adj Fuel Pressure Regulator Acura CL 2.2L 96-97
AEM Electronics High Volume Adj Fuel Pressure Regulator Acura CL 2.3L 98-99
AEM Electronics High Volume Adj Fuel Pressure Regulator Acura Integra RS LS GS and GSR 86-93
AEM Electronics High Volume Adj Fuel Pressure Regulator Acura NSX 91-02
AEM Electronics High Volume Adj Fuel Pressure Regulator Acura TL 2.5L 95-98
AEM Electronics High Volume Adj Fuel Pressure Regulator Acura TL 3.2L 96-98
AEM Electronics High Volume Adj Fuel Pressure Regulator Honda Accord DX LX SE and EX 94-97
AEM Electronics High Volume Adj Fuel Pressure Regulator Honda Accord DX LX and EX 98-02
AEM Electronics High Volume Adj Fuel Pressure Regulator Honda Accord LXi and SEi 86-89
AEM Electronics High Volume Adj Fuel Pressure Regulator Honda Civic EX 96-00
AEM Electronics High Volume Adj Fuel Pressure Regulator Honda Civic EX and Si 88-91
AEM Electronics High Volume Adj Fuel Pressure Regulator Honda Civic Si 99-00
The fuel injectors are electromechanical systems powered by the PCM (Powertrain Control Module). One terminal is attached to the 12V on the injector. When the PCM sits on the other terminal, the coil in the injector lifts the plunger, causing the fuel to be sprayed. The fuel pressure in an electronically powered fuel-injected engine that has to be in a specific location to help ensure that there is enough demand of available fuel to the fuel injectors under all system parameters of the engine.
The fuel pump supplies fuel to the fuel rail at a steady speed, and the fuel rail installed by the injectors sprays fuel into the intake ports. The PCM differs the length of the pulse, the period the injectors are ground to accommodate the engine's pressure. The pulse width is reduced at rest and longer when the engine is under pressure, and more fuel is required. But without a means of managing the pressure, there might be quite enough pressure at the idle or not enough at the wide-open throttle.
The fuel pressure regulator keeps the fuel pressure inside the particular range. It is positioned on the fuel rail and includes a diaphragm and a spring. The port joins the regulator to the engine vacuum and is also linked to the fuel return line, helping the fuel flow back to the reservoir or the tank. When less fuel is needed in standby, the engine vacuum works against both the diaphragm and spring to enable excess fuel to flow back to the tank. When the throttle is activated and more fuel is required, the decreased vacuum encourages the diaphragm and spring to minimize the return flow rate, guaranteeing enough energy to maximize the pulse width.
Usually, the fuel pressure regulator would struggle to shut, leading to too much fuel pressure, a great mixture, low fuel economy, and unnecessary emissions. If you detach the vacuum hose from the regulator and the fuel pressure does not increase, the regulator will probably be defective. However, there may be a vacuum pulse issue created by a short or broken vacuum line, so be sure to consider a vacuum with a hand-held vacuum pump. Fuel pressure must be reduced as the vacuum rises. If not, confirm that the return line is not interrupted and uninstall and install a new regulator.
That being said, if the spring fails in the regulator or the regulator spills, this will lead to low fuel pressure and a poor state. If the fuel pressure is low and does not increase when the fuel return line is turned off, the fuel pump is quite likely to be at fault. However, the regulator should be removed and replaced by a new one if the pressure does increase.
Bad Fuel Economy
The fuel pressure regulator's primary purpose is to regulate the pressure of the fuel supplied to the motor. If the pressure is relatively small, the fuel can travel in a prolonged manner. It is also common to have the same disadvantage of getting too much fuel pressure. This could contribute to the 'flooding' of the combustion chamber. The engine has more fuel in the mixture than the air. This could also contribute to a decrease in fuel economy. It would be good to get a mechanic to assess the issue and identify the source of the issue for you.
It is one of the signs that many car owners will first experience from their auto when they have a low fuel pressure regulator. When they step onto the gas pedal, the vehicle does not accelerate more naturally. It's slow. No matter how many times you press on the pedal, the car isn't moving fast enough.
Another indication of the problem with the vehicle's fuel pressure regulator is fuel leakage. If the diaphragm of the fuel pressure regulator or any of the seals fails, fuel leakage can happen. A defective regulator may not only leak fuel, which is a possible safety hazard but may also cause performance problems. A fuel leak typically causes a conspicuous scent of fuel and can also cause problems with engine efficiency.
One of the first signs of a potential problem with the fuel pressure regulator is the engine's efficiency. If the vehicle's fuel pressure regulator breaks or has some issues, its fuel pressure would be disrupted. This will switch off the engine's air-fuel ratio and the tune that could have a drastic impact on the vehicle's output.
Exhaust Emitting Black Smoke
There might be a lot of explanations why you have black smoke emitting from the exhaust. It may be because of an issue with the system of how the carburetor was installed. Black smoke can also be a symptom of a blocked air filter. Black smoke may also be generated in the worst possible case.
Irrespective of the component failure, we have a replacement fuel pressure regulator to preserve average engine performance. All of the regulators we sell are produced to OE specifications to address each vehicle’s unique fuel pressure specifications and ensure ease of fitting and excellent engine efficiency. We have Fuel Pressure Regulator from AEM Electronics, Aeromotive, Holley, NRG, Turbosmart, and much more!
From fitment help from our in-house experts to shipping packages, we'll take care of you and your order every step of the way. We know how much of a financial investment you're making in a set of wheels or accessories and upgrades, and in return, we'll deliver service and product that is second to none.
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