There are pages of things that can turn the light on. You need to have it checked for codes.
See related questions below.
picture of engine
Why? Just reset it.
That requires an OBDII engine scanner.
To reset the "Service Engine Soon" light on a 1992 Chevrolet Astro, you can disconnect the battery for about 15 minutes. This will clear the engine codes and reset the light. Alternatively, you can use an OBD-I scanner (if available) to clear the codes. After resetting, ensure that any underlying issues are addressed to prevent the light from coming back on.
Have vehicle scanned to determine the problem and have codes cleared
If you have another light that says Check Engine, then the Service Engine Soon light means to change the oil/filter or perform some other maintenance item as listed in your owner's manual. You will see the other light when you turn on the ignition. If however there is no Check Engine light, this light means there is a problem with the emissions system.
The service engine light is the same thing as a check engine light.
The service engine soon light flashes when the computer senses a fault and sets a diagnostic code. Most auto parts stores will read this code for free and tell you what may be causing the problem.
To reset the "Service Engine Soon" light on a 1997 Chevrolet Tahoe, you can disconnect the negative battery terminal for about 10-15 minutes. This clears the engine codes stored in the computer. Alternatively, you can use an OBD-II scanner to erase the codes if you have access to one. Remember that if the underlying issue isn't addressed, the light will likely come back on.
There are pages and pages and items that can cause a check engine light. You need to have it checked for codes with a scan tool. After repair light can be shut off with scan tool.
Yes, the Service Engine Soon light is the same as the Check Engine light.
No - this is based off trying to look for a replacement light bulb for both the c1500 and k1500 - neither list a replacement bulb for "center high-mount brake light"