1994 f350 7.3 injector driver module test

The final symptom I am going to tell you involves regular checkups or inspections. One way to find out the problem and solution, you can interchange the IDM with another truck, and go for a test drive. Interestingly, a cylinder contribution test revealed that a few cylinders were not getting enough fuel. Even the injectors turned out to be working fine after an injector buzz test. However, there were no signs of engine light or DTCs. It happened when the throttle was depressed. Let’s talk about what those are.įirst of all, the truck owner experienced knocking and shaking on a regular basis. I have come across a thread in The Diesel Garage forum where one user mentioned facing several issues.Īnd, it all indicated a bad IDM. Because the role of this module is to send high voltage signals for injectors.Īnd, failing to send the signal stops fuel from going into the cylinders which are necessary for ignition. In some cases, a bad IDM keeps the engine from starting. You should also check the oil and see whether you have put too much. On the other hand, it is possible that the IDM is fine even though the error code clearly indicates that. And, one can be assured of having a faulty IDM. You won’t see other components acting badly which are typically responsible for rough running.Īfter doing a complete scan of the engine, it will probably show error code p1316. The engine won’t shut off in the middle of anywhere.īut it can run rough without good reasons. Some of you may not experience any of the symptoms mentioned above. So, you can understand that this is not an issue to be taken lightly. The engine shuts down and restarts while running at full speed. Owners described the situation in some forum discussions. In that case, tell your mechanic to do a manual inspection. Sometimes, the tech can’t pull out the code due to various reasons. Those who don’t have the necessary rig to see the error codes should take their truck to the nearest servicing center. Power LossĪnother common symptom of having an improper-functioning injector driver module is experiencing random cutouts and sudden loss of power. The quickest to confirm it is by looking at it.

If you pull the error codes, you will get something that indicates a bad IDM.Ĭorrosion or something else can damage the module. You may think that the CPS has gone bad.īut that might not be the case.

Lots of truck owners complained that they were having issues while driving the truck.Īll of a sudden, it stalls and starts right back up. Know how to detect a bad 7.3 IDM by reading the symptoms explained in this part without skipping. What Are the Symptoms Of A 7.3 Powerstroke Bad IDM? Read the next part to get a clear picture. Stalling and sudden loss of power while running is the main sign of having a bad 7.3 IDM.īut the list of signs and symptoms does not end there.

1994 f350 7.3 injector driver module test