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1999 Dodge Ram 1500 Van. No injector pulse on a NOID Light until you add starting fluid. Then it fires up and injector pulse returns.

New crank, and cam sensors, new PCM.

Posted by Tommie Bell on

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Michael Crain

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If your 1999 Dodge Ram 1500 Van is not producing an injector pulse until you add starting fluid, and then it fires up and the injector pulse returns, there may be a problem with the fuel system. Here are a few steps you can try to troubleshoot the issue:

  1. Check the fuel pressure: A low fuel pressure can prevent the injectors from functioning properly. Use a fuel pressure gauge to check the pressure at the fuel rail, and make sure it is within the specified range for your vehicle. If the fuel pressure is low, there may be a problem with the fuel pump or fuel filter.
  2. Check the fuel injectors: The fuel injectors may be clogged or malfunctioning, preventing them from delivering fuel to the engine. You can try cleaning the injectors, or have them tested at a reputable repair shop to determine if they are the source of the problem.
  3. Check the wiring and connections: Make sure that all of the wiring and connections to the fuel injectors are secure and in good condition. Any damaged or loose wiring can prevent the injectors from functioning properly.
  4. Check the engine control module (ECM): The ECM is responsible for controlling the fuel injectors and other engine functions. If the ECM is faulty, it can cause problems with the fuel system. You can have the ECM tested at a reputable repair shop to determine if it is the source of the problem.
If these steps do not resolve the issue, it is best to have your vehicle diagnosed by a professional mechanic. They will be able to diagnose the problem and recommend the appropriate repairs.

Posted on Dec 10, 2022

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Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.
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