Low Mileage

Low Mileage Running Poorly With Rich Fuel Trims and/or Crank Case Overfull – 2016-2019 Buick Chevrolet GMC

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2019 Chevy Equinox

NHTSA ID Number: 10161014 Manufacturer Communication Number: PIP5647 Summary This Preliminary information communicates A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Engine oil level  will be found over full and have a  fuel odor. It … Read more

Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts – 2015 Cadillac Chevrolet GMC

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2015 Chevrolet Corvette

NHTSA ID Number: 10138017 Manufacturer Communication Number: 14-07-30-001G   Summary This informational bulletin explains how to diagnosis and perform a transmission fast learn procedure to fix a harsh shift at low speeds. Shifts that feel too firm (harsh), slips or flares.   Low mileage vehicles equipped with the 8L90 automatic transmission with shifts that feel too firm … Read more