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  1. C

    No v4 mode, Check engine light on...

    I have an 07 Tahoe LT that has had the check engine light on for months and V4 mode is disabled and the car idles rough had seems to have lost power. The code is P0016 Camshaft/Crankshaft Pos Sensor (Bank A). I replaced the sensor and flashed the computer to reset. Light came back on, still runs...
  2. C

    I have an 07 Tahoe LT that has had the check engine light on for months and V4 mode is disabled...

    I have an 07 Tahoe LT that has had the check engine light on for months and V4 mode is disabled and the car idles rough had seems to have lost power. The code is P0016 Camshaft/Crankshaft Pos Sensor (Bank A). I replaced the sensor and flashed the computer to reset. Light came back on, still runs...
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