C5491326 crankshaft position sensor is a core electronic signal component developed for ISZ14 heavy-duty diesel engines. It continuously captures the rotating speed and position data of the crankshaft, then transmits real-time signals to the engine ECU. The ECU relies on these data to control fuel injection timing and ignition sequence precisely. Once the sensor fails, the engine may suffer from hard starting, intermittent stalling, power loss or trigger fault codes, which seriously disrupt vehicle operation and lead to unexpected shutdown risks on the road. For heavy-duty trucks running long-haul routes, keeping this sensor in good condition is critical to maintain stable engine operation and reduce breakdown losses. Key features: High-precision magnetic sensing chip, fast signal response, strong anti-interference capability, shock-resistant housing, waterproof connector design, stable performance under extreme temperature changes, OEM plug size for direct fitting. Product Advantages: Strict signal testing before leaving factory; outstanding resistance to engine vibration and electromagnetic interference; consistent signal output under heavy load; matches original mounting hole and connector; no extra wiring modification required during maintenance.

Applicable Equipment: Heavy-duty commercial trucks equipped with ISZ14 diesel engine.

FAQ
Q1: What is the main job of C5491326 crankshaft position sensor?
A1: It detects crankshaft rotation position and speed, sending data to ECU to control fuel injection timing.
Q2: What symptoms happen when the crankshaft position sensor malfunctions?
A2: Difficult engine startup, sudden stall, power drop and dashboard fault codes may appear.
Q3: Can I install this sensor without changing the original wiring harness?
A3: Yes, it adopts OEM plug-and-play connector, no wire cutting or modification needed.