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Hi, on the 1993 Buick Lesabre the crankshaft sensor is located under the dampener pulley. Remove the serpentine belt. Remove right front wheel. Remove plastic access cover thats behind that wheel. With an impact wrench remove dampener pulley bolt. With an Dampener pulley puller remove pulley. There is a plastic cover that snaps in place over the sensor, remove it, and you will have access to the sensor.
The fuel pump is located inside the fuel tank, through the top. You must remove the fuel tank first, then you can unlock and pull the fuel pump out of the top. This is the case for pretty much any car or truck made past 1985 that has fuel injection.
If the signal lights don't work on either side, front and back, check the flasher, usually located on the fuse block. If this isn't it, let me know, we can continue from that point.
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