Changsha Changsha Huaxing automotive air conditioning smell handle auto repair shop specializing in vehicle maintenance, vehicle rescue service 24 hours, sheet metal painting, maintenance, car air conditioning deodorant, car smell processing, paint plating crystal, polishing, waxing, insurance claims, vehicle service agents, car painting, car, paint care and other services. Changsha Huaxing car repair shop Mr. Cheng: 13908462346 Tang:? 13707480626 Website: http: //www.huaxingqx.com/ Address:? Furong District lofty Road Ma Poling (Mapo Road Primary School opposite) Changsha Auto air conditioning odor processing a mileage of about 160,000 km in 2005, FAW Volkswagen Bora 1.8 L sedan comfort. It reflects the owner during normal driving chassis part of a different sound. After the pick-up: according to the situation reflects the owner of the vehicle road test, road test found that the different sound is the sound long-term non-stop operation of the auxiliary brake pump issue. Which Bora cars equipped with controlled vacuum pump, the engine control unit according to engine load, speed, throttle position and brake light switch signal, calculates the brake booster pressure and then the engine control unit of the intake manifold absolute pressure model were compared to determine whether to open the vacuum pump. The car may be an abnormal noise control portion controlled vacuum pump problem. Changsha automotive air conditioning odor processing in turn connected VAS5052A, enter 01 address, read error codes, showed three can not clear the fault code is stored permanently, meaning respectively the fuel tank ventilation valve (N80) fails, the air flow sensor (G70) fault and the oxygen sensor heater malfunction. Continue to check found that self-installation of the car alarm and parking sensor and alarm horn is a long self-tapping screws on the firewall, long screws pierce the main harness the engine electronic control unit, and wherein a line of broken insulation and grounding. Read wiring diagrams that, this line is the air flow sensor, fuel tank ventilation valve and oxygen sensor heating coil power supply line, which fuse wires through S243, and S243 to check the fuse, I found that the fuse has blown. Changsha automotive air conditioning odor treatment originally due to air flow sensor, fuel tank ventilation valve and oxygen sensor heating coil power supply lines are self-tapping screws after piercing grounding, resulting in blown fuse S243, so that the air flow sensor, fuel tank ventilation valve and oxygen sensor heating coil no working power, the engine electronic control unit receives the load signal from the air flow sensor can not, and after comparison of the data and standards, considers insufficient pressure in the brake booster vacuum, thus controlling the auxiliary brake vacuum pump has been working, causing the failure. Remedy: Re-wrap finishing line was punctured, replace the fuse 5243 Changsha automotive air conditioning odor treatment