Tag Archives: Check engine light

Using OBD 2 scan tools

Fault codes (Trouble Codes):

When vehicle’s computer detects any problems with the engine, transmission, Fuel system, chassis etc, it saves information as a fault code or trouble code. Such fault codes usually turn Check Engine light ON on the dashboard.


OBD-II (On-Board Diagnostic):

All cars from 1996 or later must have OBD2. To check for faults you need to connect to your vehicle’s computer via an OBD2 adapter.… View full post