Easiest way is with a Diagnostic Scanner connected to the OBDII port usually under the dash but easilly visible from underneath the dash and usually on the driver side. Location can vary from car to car.How about on a 1995 Oldsmobile Aurora?
The most common engine check engine light codes would be indicating that something has gone wrong under the bonnet basically. Each manufacturer has different codes and so the garage uses diagnostic computer tools to find out the problem.
you check the system for trouble codes.
check obd2 with scanner for trouble codes find problem, fix or replace sensor or part, clear codes with scan tool
If you can not read codes with a scanner you have a wiring problem.
Pending trouble codes: These are similar to normal trouble codes, but they are set after a single driving cycle, and usually before the check engine light is illuminated. Useful after repair work has been finished
Suggest you have it checked for trouble codes. The engine computer and airbag system should both have codes.
See link below for a complete list of trouble codes.
Are you asking how to clear engine trouble codes? You'll need a code scanner with a reset/erase feature.
pretty much instantly. As soon as the codes are cleared the check engine light goes off and vice versa, unless there still is trouble. In this case the codes won't clear until the trouble is repaired.
Yes, you need to have the engine and transmission computers checked for trouble codes. That should lead you towards a possible cause.Yes, you need to have the engine and transmission computers checked for trouble codes. That should lead you towards a possible cause.
You need a engine scanner and then go into transmission trouble codes. Write them down,get a book, look them up, and read. Most scanners will tell you whats going on.
A problem with the emission system. Need to have trouble codes checked.