One of the most common issues we see with aftertreatment systems is a failure to initiate or complete the regen process.
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There are two other things to keep in mind. If you are not completing passive DPF regens regularly or if your truck does not see long periods of expressway speeds, you will most likely run into some issues.
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With over 1,000 fault codes available on a late-model vehicle you need to take the right approach to ensure you are not causing additional harm to your engine by ignoring fault codes.
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Volvo construction equipment (CE) has been globally equipped with aftertreatment components since 2011 to ensure all emission regulations have been met. The aftertreatment system on your piece of equipment is very complex and we are here to break it down for you.
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If you can no longer start a regen then you will eventually get stuck in a derate which will then lead to an engine shut down. The regen process and how it works is something you should familiarize yourself with.
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The AHI module goes through various self-checks during the operation of the engine. If the system detects an issue, it will automatically cause an active fault code related to the AHI module or 7th injector. The fault code will sometimes lead you to believe that the problem is with the 7th injector; however, in reality, there is an issue with the AHI module.
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