padboy Posted December 20, 2017 Report Share Posted December 20, 2017 My Cel is on but not flashing car is running normal, how can I check what's causing this. Link to comment Share on other sites More sharing options...
edc Posted December 21, 2017 Report Share Posted December 21, 2017 A simple code reader. Link to comment Share on other sites More sharing options...
padboy Posted December 21, 2017 Author Report Share Posted December 21, 2017 will a OBD11 pin point the issue if it is a o2 sensors will it be able to show which one is faulty . thank you in-advance Link to comment Share on other sites More sharing options...
edc Posted December 21, 2017 Report Share Posted December 21, 2017 As long as you get one with that ability to display all the info. I would just clear it first and monitor. i have a handheld D900 but there are various other similar handhelds and ELM327 bluetooth or wifi based ones. Prefer the wired handheld myself. Link to comment Share on other sites More sharing options...
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