![]() ![]() Here’s what can happen if your Ford 7.3 Powerstroke engine’s IDM starts to break down: A Rough and Bumpy Ride You can identify the 7.3 Powerstroke IDM failure symptoms before the problem gets expensive to fix. The major concern is that there’s a vent on the side of this module to address the changes in elevation and temperature, which means water and other fluids can easily slip into the vent, causing a moisture intrusion, and leading to electrical damage and corrosion.īut don’t worry. ![]() The engine can stall or run abruptly if these modules become defective or moist. ![]() If you underestimate and neglect this small component of your huge Ford truck, you’ll be bound to run into a series of issues as a consequence. This is why when there’s a problem in the IDM, the total module can fall, and you’ll be left with no choice but to replace it. When the IDM doesn’t function properly, the injectors that power the engine either fire at the wrong time or not at all. The IDM is manufactured to automatically modify the timing and pressure of the injections to make the engine perform smoothly. This fuel injection process can be altered by temperature, oil temperature, elevation, and turbo boost. Next, the IDM receives the data from the central computer and uses it to generate the appropriate amount of power for expelling the exhaust via the tailpipe. The PCM receives this data from the EBS sensor. It figures out how much pressure must be applied to the exhaust to release it into the air. The exhaust back pressure (EBS) sensor also plays a crucial role. The IDM’s analysis is only as good as the data that goes into it. If any of these sensors or parts break, the PCM might not be able to get accurate data. The PCM (Powertrain Control Module) uses information from a number of sensors and devices to figure out the optimal amount of fuel the vehicle needs based on its performance level and environmental circumstances. Many factors can change the amount and pressure of the fuel. The IDM changes the fuel pressure and injector timing based on how much fuel is consumed. This injection process has to be extremely precise to function the way it’s supposed to. It regulates diesel fuel injectors, which supply fuel to the engine’s combustion chamber and generate power to run the vehicle. The IDM is an integral part of your 7.3 Powerstroke engine. Some of the most common engine problems reported include camshaft position sensor (CPS) failure, lift pump issues, injector control pressure (ICP) sensor, leaky fuel filter housing, and injector drive module (IDM) failure. Fortunately, most issues with a 7.3L Powerstroke diesel engine can be simply and cheaply addressed. EngineĮven though the Ford 7.3 Powerstroke is one of the most reliable diesel engines ever produced, it still needs maintenance and repair like any other engine. Overview of the 7.3 Powerstroke Diesel Engineīefore we dive too deep into the technical details, let’s shed some light on what exactly the Ford 7.3 Powerstroke engine and an IDM is and how this component can fail. You can check the wires and connectors leading to the injector drive module, but if they’re in good condition, the only solution is to replace the IDM. The most common symptoms of IDM failure include the check engine light coming on, declining fuel efficiency, spontaneous loss of power, and a rough and bumpy ride. However, there are some problems with the IDM and we’re going to explore symptoms and solutions. The Ford 7.3 Powerstroke engine has been renowned for its reliability since 1994, and many of these are still on the road today, logging hundreds of thousands of miles on the genuine factory long-block. The 7.3 Powerstroke was the first ever computer-controlled diesel engine to produce above 500 lb-ft of torque, making it the O.G. of the Powerstroke lineup, a marketing name invented by Ford for its diesel line. ![]()
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