Question about 1989 Buick Riviera
Try replacing the "Crank Shaft Position Sensor" this two sensors "Cam" and "Crank" communicate so if one is acting up it sends the wrong signal to the computer, I recently had the exact same problem but in reverse and a different vehicle, the other thing, although not very usual is the wire harnnes that connects to the sensor itself could not be working properly. Good Luck!
Posted on Sep 06, 2010
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Posted on Jan 02, 2017
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