Medium and Heavy Trucks
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Hi Paul, my name is***** will be glad to try to help. What is the year and model of your truck and the engine model number? Also is the check engine warning light on? If so we will need to pull the fault codes which will alert us of the problem circuit. If this is a newer model it is possible the engine ECM has derated your power due to an existing fault. Let me know
Hi Paul, did you get this resolved?