Make sure it has full throttle. If an automatic make sure the tranny is full. These are two simple items I have seen with low power complaints.
What does trans fluid level have to do with low power? Just wonderin’
Ran into a complaint years back. The guy had a rubber transmission line blow off. He never told us the whole story at first. He added some fluid but he did not get it full. The truck was a dog and his complaint was low power. We added several quarts and it was back to normal. I can only attribute the condition to the large converter fluid capacity. Lower fluid did not allow the transmission/converter to make power. It did not act like a low fluid problem. Just a suggestion.
