What to do if the sensor of Haval H6 is lost?

[CamilleFitz]

Haval H6 sensor lost needs to be replaced and installed in time. The detection method of the sensor is as follows: 1. Unplug the connector, turn the key to two gears, and use a voltmeter to measure and confirm that the power line has voltage output. 2. Use the meter to determine the ground wire. Use the voltage gear to connect one probe to the confirmed power line, and the other probe to the other two wires to measure the voltage. The one with voltage is the ground wire, and the remaining one is the signal wire. 3. At this time, turn off the key to lead out the signal wire, plug back the connector to start the engine, and measure the signal wire and the ground wire to see if there is a signal voltage output. The output voltage should be less than the power supply voltage. If not, the sensor is basically damaged. 4. At the same time as the above operation steps, check whether the signal teeth on the camshaft are good, whether there is any debris between the camshaft sensor and the signal teeth, and whether the gap is normal.

[IsabelMarie]

It's quite common for sensors to go missing, especially those aftermarket ones that are prone to being knocked off or loosening due to aging. I suggest you first identify which sensor is missing—for example, the ABS sensor is installed near the wheels, and if it fell off, you might still find it on the ground to inspect. Don’t rush to drive away, as it could affect the braking system and pose a danger. You can take a quick look under the chassis or around the wheels to see if anything is missing, using a flashlight to search. If you can’t find it or aren’t sure, it’s best to contact a Haval 4S店 or a reliable auto repair shop immediately—they can quickly diagnose and replace it. The replacement cost isn’t high; a small sensor typically costs between tens to a few hundred yuan. Don’t delay too long, as the issue could worsen and affect driving safety or fuel consumption. When parking, avoid getting too close to roadside debris, and regularly check the tightness of screws to prevent this from happening.

[Ethan]

Safe driving is paramount, and losing a sensor can lead to major issues. I recall that in the Haval H6, if sensors like the oxygen sensor or wheel speed sensor are missing, the engine warning light will illuminate, affecting fuel efficiency and safety features—ABS might fail, making emergency braking dangerous. If you notice such a situation, don’t panic; immediately pull over, turn off the engine, and check the surroundings for any fallen parts. Those with strong DIY skills can refer to the repair manual to locate the issue, but most cases require professional diagnostic tools. It’s advisable to visit an authorized Haval service center as soon as possible, where they can accurately identify and replace the faulty sensor. Costs are transparent, typically a few hundred yuan including labor and parts. Develop a habit of slowing down over bumps to protect undercarriage components. Don’t ignore minor issues to avoid bigger troubles.

[DelWalter]

There are various types of sensors, such as the common ABS sensor or temperature sensor in the Haval H6, whose loss should be taken seriously. They may detach and fall off due to bumps or aging, affecting normal vehicle operations like braking or air conditioning. Don't rush to drive to avoid accidents; find a safe place to park first. You can try reinstalling or finding parts yourself, but it's difficult for non-professionals, so it's best to seek a mechanic. The replacement cost is low and quick, so remember to regularly check the sensor's fixed state for prevention.