The ECM/PCM can monitor cam position using these signals - note the missing tooth on the crank sensor pattern - using that missing tooth and the cam sensor signals, the ECM/PCM can determine (and adjust) camshaft indexing. If one of the cam sensor signals flatlines or becomes "scratchy," a code will be set. Products Mentioned in this Guide
Sensor Failure: Over time, the sensor itself can fail due to wear, heat, or electrical issues. A failed CKP sensor can result in engine performance problems, poor fuel economy, or stalling. In conclusion, the crankshaft position sensor (CKP sensor) is a vital component of a car's engine management system. These sensors are called the crankshaft sensor (a.k.a. crank sensor) and the camshaft sensor (a.k.a. cam sensor). When these sensors go bad, the engine can't operate properly. If they're not working, the engine will not operate, and you will get a check engine light. This is a repair that usually won't break the bank on mainstream cars, but CKP sensors activity-If there is a CKP sensor condition, refer to the applicable DTC that was set. Camshaft position (CMP) sensor activity-If there is a CMP sensor condition, refer to the applicable DTC that was set. Engine coolant temperature (ECT)-If the ECT is not warm enough, idle the engine until the ECT reaches normal operating temperature. This diagnostic procedure supports the following DTC: DTC P0335 Crankshaft Position (CKP) Sensor Circuit. Conditions for Running the DTC. • DTCs P0101, P0102, P0103, P0341, P0342, or P0343 are not set. • The camshaft position (CMP) sensor signal is incrementing. • The mass air flow (MAF) is more than 5 g/s. • The engine is cranking or
There are a number of common symptoms of a bad crankshaft position sensor (CKP) that can help you determine if your sensor has failed, including engine misfires, rough idling, stalling, or hard starting. If you are experiencing problems like these, you might need to replace your crankshaft position sensor .
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    • what is a ckp sensor