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Q: car struggles to accelerate; most noticeable when entering fwy or climbing hills on 2007 Nissan Murano

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
Car has 58.5k miles. Before I took it to the dealership, I ran two tanks through with Techron Concentrate. Car doesn't show any diagnostic codes although dealership recently replaced thottle because they suspected that it was the problem. That didn't help. They also suggested that I clean injectors, and do an engine decarb. I cleaned the injectors and found SOME improvement. I don't want to continue down this path if it will not fix the problem. Do you recommend a decarb? What else could be causing the hesitation.
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