I would think that any car without a distributor would have a cam sensor and a crank sensor. For the computer to send the fire signal to the correct spark plug it needs to know the position of both shafts. The failure of either of these will cause the engine to die. Older cars used the distributor to do this mechanically.
throttle positioning sensor
under the water pump.
the tps is bad-throttle positioning sensor
it should be behind the water pump pulley on the lower left side when looking at it from the side of the car.
The interrupter magnet is normally replaced by removing the camshaft gear as the magnet is inserted through the back side of the gear.
It should be behind the camshaft postition Sensor in the timing box attached to the end of the CamShaft. It allows the computer to know where the cam shaft is in order to properly inject fuel to the proper valve at the proper time.
where is coolant sensor on a 97 buick lasbre
The camshaft position sensor on a 1992 Buick Regal looks like the end of a ratchet.
The P0336 fault code on 1997 Buick Lesabre is a fault in the crankshaft position sensor circuit.
How can you get to the tcc sensor on a 2000 buick lesabre 3.8 and can a speed sensor trigger a code for the tcc
After consulting several sources, someone finally called a local Buick dealer who informed me that a 1990 LeSabre does NOT have a map sensor, it was the Mass Air Flow sensor that needs replacing.
The 1997 Buick LeSabre mass airflow sensor is located on the outside of the air intake housing. The sensor can be found on the right hand side of the air intake housing.