my check engine light is on but system check comes back A -OK ....
1 how the "F" is possible.. if the check engine light is on?


2 i have the cable and the software but need a STEP BY STEP guide on how to check this.
could you please point me in the right direction or remote in... help me out... and make some doe...

please pm me if interested...
THX

 

Did you get gas recently? Check your gas cap. If loose, tighten and give it a day or two to clear CEL...

 

System check will read ok still but if you scroll right there are indication messages which will tell you why the light is on.