2000 chevy impala 3.8 crankshaft sensor. Where is it located?

3.5L (LZ4) & 3.9L (LZ9) Engines

The Crankshaft Position (CKP) sensor is located on the right side of the engine, above the transaxle and just below the exhaust manifold

Crankshaft Position (CKP) Sensor (LZE/LZ4/LZG)
center of the engine block ( the side closest to the fire wall )

Inside the timing cover.

it down by the

0 results found for 2000 chevy xpress 2500 v6 crankshaft sensor

2008 chevy impala crankshaft position sensor location??

There is no idle sensor on the 2000 Chevrolet Impala, according to my online resource.

But, there is the following that senses rpm of the engine and thus the idle speed when the Throttle Position Sensor is at 5% or the accelerator pedal is not depressed:

Crankshaft Position Sensor Operation Engine speed is a very important input to the Powertrain Control Module (PCM). Crankshaft speed and position are the basis for many calculations made by the computer. Crankshaft position values are transmitted to the computer by pickup coils also known as Permanent Magnet (P/M) generators, Hall Effect sensors or optical sensors. The Crankshaft Position Sensor (CKP) also known as engine speed sensor is typically located in proximity to the crankshaft.
In addition, the PCM uses the CKP sensor in conjunction with the camshaft position sensor to calculate and perform misfire diagnostics.
Related Symptoms

• A No Start / Intermittent Start condition - Can be caused by a faulty crankshaft position sensor due to loose connections, bad grounds, high resistance in the circuit, or opens in the circuit.
• Engine Misfire Diagnostic Trouble Codes

NOTE: Engine Mechanical conditions can also create the same or similar symptoms. (Don't overlook basic mechanical integrity).

Usually ,& depending on engine, is located on the rear side of the engine block behindthe crankshaft balancer. Good luck!

crankshaft bearing problem

You have more than one. Which one needs replacing and why?