disconnect the battery for a few minutes
why appear light ( service engine soon), after change oil on a 2001 ford pickup (f150)?
Check your gas cap. Make sure the seal is still good. This will cause the check engine light to stay on and is an easy fix.
How do I reset the service engine light on a 2003 Chevy Trailblazer?
Have vehicle scanned to determine the problem
bring the truck to autozone and let them reset it with their scn tool for free.
Maybe you should service the engine soon. :P
can you tell me why my 1999-2000 Chevy trailblazer light is on
Check
When service engine light is on on a 2003 Chevy Trailblazer, the problem could be a faulty thermostat, a circuit range performance problem, or any other problem.
ss
That requires an OBDII engine scanner.