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Engine Shaking and RPM Fluctuating While at Idle and Accelerating

Home Forums Stay Dirty Lounge Service and Repair Questions Answered Here Engine Shaking and RPM Fluctuating While at Idle and Accelerating

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This topic contains 0 replies, has 1 voice, and was last updated by John Morgan John Morgan 3 weeks, 6 days ago.

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    John Morgan
    John Morgan
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    Video of engine, hood (to show engine shaking), and dashboard – https://drive.google.com/file/d/1q9ZvvtOWUJqOflbIknqClnov0USEI4T9/view?usp=sharing

    Hi all, please help me diagnose the issue with my 2011 Nissan Altima Coupe. Mileage – 148318. Was driving home and started accelerating from braking (red light changed to green) and then the engine started shaking the rest of the drive home with the RPM fluctuating +/- 1 of where it should be based on speed. Shaking lessened when slowly accelerating but constant at even speed and idle.

    Maintenance History:

    At 144738 miles
    – Throttle body fixed (had crack), PVC hose replaced with correct hose
    – Recommended but didn’t perform: Complete fuel service, Replace power steering fluid, Replace spark plugs

    At 142359 miles
    – Replaced battery
    – Program ECM
    – Replaced mass airflow sensor

    At 138880 miles
    – Replaced transmission

    At 134949 miles
    – Replaced mass airflow sensor
    – Replaced angle sensor
    – Replaced PVC valve and PVC hose

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