How to Solve Wuling P1396 Fault?
3 Answers
Wuling P1396 fault solution: The owner should clean the engine in time. Currently, there are two correct cleaning methods: 1. Go to a repair shop and use a special cleaning agent to clean carbon deposits. 2. Use a good fuel additive to clean the entire fuel system by yourself, including removing carbon deposits in the cylinder. The following is an introduction to the P1396 fault code: 1. The P1396 fault code means that the crankshaft position (CKP) sensor/engine speed sensor has an incorrect signal. The function of the crankshaft is to convert the up and down movement of the piston into rotational movement. 2. After the car fault is eliminated, the fault code needs to be cleared. When clearing the code, be sure to strictly follow the fault code clearing method specified for the specific model. Do not directly remove the negative ground wire to clear the fault code.
As an experienced auto mechanic, I've dealt with numerous Wuling P1396 faults, which typically indicate a crankshaft position sensor issue. I always start by checking if the sensor connector is loose or corroded, as oxidation commonly occurs after prolonged use. Then, I use a diagnostic scanner to read the trouble codes for details while observing whether the engine misfires or has difficulty starting—signal loss may affect ignition. Damaged wiring harnesses can also trigger this code, so carefully inspect the wiring from the sensor to the ECU for wear. If the connector and wiring are fine, the sensor itself is likely faulty and needs replacement. I recommend preparing tools like a multimeter to test voltage, but always prioritize safety by disconnecting power during repairs. After completing the repair, clear the codes and test to prevent false alarms. Untreated, such faults may lead to roadside breakdowns, so professional repair is advisable to avoid vehicle damage. Remember to regularly maintain and clean the engine compartment to reduce similar issues.
After driving a Wuling Hongguang for several years, I once experienced severe shaking when the P1396 light came on, so I tried troubleshooting it myself. The main cause was a faulty crankshaft position sensor signal, likely due to a loose connector or dust buildup causing poor contact. I unplugged the connector, cleaned it, and reinstalled it, which provided temporary relief, but I still had to visit the repair shop for a permanent fix. The mechanic said the sensor is located under the engine and is prone to moisture damage, requiring the removal of the protective cover for inspection, and recommended regular maintenance. If not addressed, the issue can lead to loss of acceleration or stalling, so it's crucial to slow down and pull over safely if the light comes on. Now I've learned my lesson and keep an OBD scanner in the car to read codes immediately when a warning light appears. Repairs aren't expensive, but don't delay them to avoid being stranded on the road with bigger problems.
