All I've done with the regulator is remove the drain plug. I didn't get any tar out of the regulator. This truck has 9k hrs. Probably well over life expectency of the regulaor.New customer for us & their maintenance has been doing planned maintenance & repairs they can handle.Another tech tried linking up Spectrum software today & had no luck either. I sure would like to see what if any errors there are before we start replacing parts.
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