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  1. R

    Still shaking and hesitating after new spark plug change

    Hi! The car was brought pre owned and has 120K miles on it. It’s a private use vehicle. I wanted to replace the spark plugs as it would shake when idling.
  2. R

    Still shaking and hesitating after new spark plug change

    I changed spark plugs on 2019 Chevy Suburban with brand new OEM spark plugs and wires and car is still shaking and hesitating on acceleration with no check engine sign. It feels like engine is spitting on acceleration.

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