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P0661 OBD-II Trouble Code: Intake Manifold Tuning Valve Control Circuit Low Bank 1
P0661 means there is an abnormally low voltage reading within the Intake Manifold Tuning Valve Control Circuit often due to faulty, parts or PCM.

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My car is jerking from 2nd to 3rd gear and downshifts. Will jerk a little
Hi, thanks for writing in. Your car has what is called a secondary shifter valve or solenoid valve that is operated or directed by the PCM (Powertrain Control Module) which is what controls the drivetrain and transmission. Code P0661 is...

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