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how to crankshaft position sensor is work

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Ford Crankshaft position sensor (CKP) The crankshaft position sensor measures the rotation speed (RPMs) and the precise position of the engine crankshaft. Without a crankshaft position sensor the engine wouldn't start.  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. How the crankshaft position sensor works In this GM engine, the crankshaft position  sensor is installed at the cylinder block The crankshaft position sensor is positioned so that teeth on the reluctor ring attached to the crankshaft pass close to the sensor tip. The reluctor ring has one or more teeth missing to provide the engine computer (PCM) with the reference point to the crankshaft position. As the crankshaft ro...
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A failing sensor can cause intermittent problems: a car may cut out or stall randomly, but then restart with no problems. The engine might have troubles starting in wet weather, but starts OK after. Sometimes you might see the RPM gauge behaving erratically. In some cases, a failing sensor can cause long crank time before the engine starts. If the sensor is bad, the engine will crank but won't start. Read more:  Why an engine cranks but won't start: common problems . Crankshaft position sensor problems Crankshaft position sensor The most common OBDII code related to the crankshaft position sensor is  P0335 - Crankshaft Position Sensor "A" Circuit . In some cars (e.g. Mercedes-Benz, Nissan, Chevy, Hyundai, Kia) this code is often caused by a failed sensor itself, although there could be other reasons, such as wiring or connector issues, damaged reluctor ring, etc. In some cars, the intermittent stalling can also be caused by a problem with the crankshaft pos...
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how is the car starting system is works Suzuki corolla Honda

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A starter is an electric motor that turns over or "cranks" the engine to start it. It consists of a powerful DC (Direct Current) electric motor and the starter solenoid that is attached to the motor (see the picture). In most cars, a starter motor is attached to the transmission, see these photo 1  and  photo 2 .  Starter motor. Click for  larger photo The starter motor is powered by the car battery. To turn over the engine the starter motor requires a very high electric current, which means the battery has to have sufficient power. If the battery is discharged, the lights in a car might come on, but it won't be enough power (current) to turn over the starter motor. What are the symptoms of a bad starter motor: With the fully charged battery, when starting a car, nothing happens or there is a single click, but the starter motor doesn't run, even though there is a 12-Volt power at the starter control terminal. Another symptom is when the starter motor runs, ...
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