A two-wire crankshaft sensor is an inductive type sensor, which consists of a sensor magnet and coil. When the crankshaft's reluctor ring comes closer to the crank sensor, voltage is produced, which is sent to the car computer. The inductive-type crank position sensor is also known as a magnetic pick-up sensor has two wires, an earth, and a Let's connect to the CKP and see what the scope can tell us. Connect the scope by first looking at the engine performance wiring diagram. Identify the wires leading to the CKP sensor. This engine uses a 3-wire crank sensor (one voltage supply, one ground, and one signal wire back to the ECM). I'll connect one channel to the signal wire at A failing or failed crankshaft position sensor may cause the check engine light on your dashboard to come on. A diagnostic scan tool will show a code between P0335 and P0338. The check engine light doesn't always come on, though, so you could be experiencing any of the above symptoms for some time before you see the warning light. In some cars, the sensor is installed close to the main pulley (harmonic balancer) like in this Ford in the photo. In other cars, the sensor could be installed at the transmission bell housing, or in the engine cylinder block, as in the photo below. In the technical literature, the crankshaft position sensor is abbreviated to CKP.
The 3X CKP sensor's signal is used by the fuel injection computer to start injecting fuel. Here are some more specifics: The 24X CKP sensor is connected directly to your Chevrolet (Pontiac)'s fuel injection computer and bypasses the ignition control module. The fuel injection computer uses the information from the 24X CKP sensor to calculate

Here are some specifics of the crankshaft position sensor: The 4.6L, 5.4L CKP sensor is a two wire variable reluctance sensor. What this means is that: It doesn't need an external power source or a Ground source (like in a 3 wire type Hall Effect sensor). The CKP sensor creates its own signal (AC Volt signal).

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    • what is a ckp sensor