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Engines are far from purely mechanical objects. Various sensors report back to your vehicle’s ECU, which in turn makes adjustments or warns the driver if something looks amiss. As a turbo diesel relies on a precise amount of fuel being injected into the cylinders at an exact pressure, a Cummins fuel rail pressure sensor is essential to a properly functioning engine. If the pressure is too high, you may see unburnt fuel making its way through the exhaust. If it is too low, engine performance will suffer. +Read more
If your fuel system is failing, a 24v Cummins fuel pressure gauge kit should contain the parts you need to restore it to working order. This includes various seals and sensors essential to the fuel system’s function. Sensors include the 5.9 Cummins MAP sensor, which monitors pressure in the engine’s intake manifold; the 5.9 Cummins APPS sensor, which reports the position of the gas pedal to the engine control module; and the Cummins IAT sensor, which measures the temperature of the air entering the engine.
Because a precise air/fuel mixture is vital to engine performance, a 24v Cummins MAP sensor fault or a problem with the IAT sensor 5.9 Cummins could lead to a loss of performance, poor fuel efficiency, or engine stalling. The electrical system, on the whole, receives power via the Cummins wiring harness. This vital piece of kit is threaded throughout the vehicle and connects various electrical components to the truck’s battery. A wiring harness can fail for several reasons. Natural degradation over time could cause the insulating coating around the wires to fail, resulting in a short.
An overheating engine component could melt that coating, again resulting in damage. Rodents have also been known to gnaw on a vehicle’s wiring should they get into the engine bay or nest in another area of the truck. Sometimes, a wiring harness can be repaired, though this is a difficult and tedious job if the damage is extensive. Given the price of labor, it’s sometimes cheaper to replace the whole thing than to hunt down and meticulously repair each individual fault.
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