Another sign of a Crankshaft Position Sensor (CKP) failure is, the constant stalling and backfiring of the engine. In such a scenario, the engine, is prone to stalling as you drive. Unlike ignition malfunction, the car will probably start, even run for a while, only to shut down again. It goes the same, for engine backfiring. What Does A Crankshaft Position Sensor Do? The crankshaft position sensor (CKP sensor or CPS) is one of several sensors that keep your engine running smoothly. It measures the position of the crankshaft (for which it is sometimes called the crank angle sensor or CAS), as well as the rotational speed of the crankshaft (for which it is sometimes Installing the New Crankshaft Position Sensor. At this point, you're ready to install the new sensor. Connect the wires in the same order as the corresponding wires of the old sensor. Then put the new sensor into place and install the mounting bolt. Then, you just need to replace any parts you removed to access the sensor. Disconnect the negative battery terminal. 2. Locate the sensor in question. The location will vary by engine and sensor type. Many are located on the front of the engine, while others may be on the side or rear. 3. Remove any engine parts that may be blocking access, like plastic engine covers or the air intake tube. Drag Specialties Crank Position Sensor - 1022-0202. High-quality replacement sensors. Replaces OEM #32707-01B/01C. Included Items: (1) Crank sensor with 2-pin male connector. No instructions. Mfg. Price Controlled Item. Due to the manufacturer's advertising policy - this item is excluded from promotions and discounts details. Specifications. The Camshaft Sensor (S) is at the #12 location in the diagram at $39.88 each. There are two Camshaft Sensors listed as required for replacement. The diagram only indicates the #12 location. At this point I'm unable to be more specific as to location other than what's listed in the schematic. The #4 location for the Crankshaft Sensor should be Meanwhile, some symptoms of a bad crankshaft sensor include: 01. Check the Engine light display. The Check Engine light is undoubtedly triggered by several malfunctions that may occur not only within the crankshaft sensor. However, it is one of the foremost noticeable symptoms of a defective crank sensor. The CKP didn't set the code the ECM did. There's any number of things that will cause that code. What's happening is the CKP is miscounting the teeth on the left flywheel. A pop back out of the intake (backfire), a plug that fails to fire or any ignition glitch for one engine revolution can cause the CKP to miscount and then the ECM sets that code. 2000 Mazda Protegé crankshaft position sensor waveform. Notice the waviness of the signal wave. Did you notice in the above crankshaft position sensor signal waveforms that the AC analog signal produces a 'wavy' up and down line. Now, to test this signal you don't need an oscilloscope. But knowing what this signal looks like and how it A crank sensor (CKP) is an electronic device used in an internal combustion engine, both petrol and diesel, to monitor the position or rotational speed of the crankshaft. This information is used by engine management systems to control the fuel injection or the ignition system timing and other engine parameters. rSUORl.