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一辆桑塔纳99新秀轿车,怠速偏高。空档滑行时的怠速转速为2000r/min,超过了800r/min±50r/min的正常值。该车在送来我厂之前已到过几家修理厂检修,均诊断为节气门开度过大。几家修理厂都提出建议更换节气门体总成的方案,所需费用为人民币4000元左右,车主认为无法承受。根据车主的叙述,修理人员使用VAG1552故障阅读仪对该车进行了测试,无故障代
A Santana 99 rookie, idling high. Free-wheeling idling speed of 2000r / min, exceeding the normal value of 800r / min ± 50r / min. The car has been sent to our factory before several repair shop has been over, are diagnosed as throttle opening too large. Several repair shops have proposed replacement throttle body assembly program, the cost of about 4,000 yuan, the owners think it can not afford. According to the owner’s description, repair personnel using the VAG1552 fault reader to test the car, no fault generation