Then you may want to have a mechanic check it out.
There are sensors all over the engine that can turn the check engine light on.There are sensors all over the engine that can turn the check engine light on.
Every sensor on the engine and transmission can cause the light to come on.
well I read about this happening somewhere else I cant really recal it but from what I remember the o2 sensors where changed and then there is a problem in the wiring with o2 sensors
No, diesels don't have O2 sensors.
Yes but the check engine light will be on.
If the check engine light it on a 2002 Hyundai Accent on one of the sensors is malfunctioning. The computer is acknowledging this and alerting the driver that there is a problem in the engine.
There is not one sensor. All the ECM sensors are tied to the check engine light.
I had all sensors replaced in my 03 Trailblazer and the check engine light stiil comes on. Why?
i just changed my batterys out on my truck now my check engine light is on?
There are many sensors that can trip the check engine light to come on.
The check engine light is triggered by the Engine Control Module (ECM). The ECM receives information from many sensors and determines when to illuminate the check engine light.
Did you reset the light? I don't know what gasket you changed, but undoubtedly that was not the problem. The check engine light comes on when there is a problem with the emissions system.