Tips:
1. ELM327 is a tool to detect the state of engine based on the communication protocol of car PC. It will work
if the protocol is supported, such as, detection of engine system, code reader, code clear, data stream etc;
but, it is unable to provide a comprehensive list of available car models.
2. Not all the cars can read properly oil consumption, because the car models are different, some cars can
not read oil consumption, which is not legitimate reason to exchange or return the unit. Please pay attention
to it.
3. Due to the function is simple and limited, it is not suitable for the professional vehicle maintenance
workshop.
4. OBD cannot be hot unplugged while driving, which may cause the fault of unit.
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