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fluctuating rpm

  1. Fluctuating RPM's While Driving? TPS? Vacuum?

    Noobie Bronco Tech Questions. Flame free zone!
    Hi Folks, So Chancho has been running top-notch for the past few weeks and I couldn't be happier! I took him on his first real back country adventure since I did a ton of work to him and he crushed it. This was a relief, considering I'm a beginner mechanic and have very little faith in my...