To reset the "Service Engine Soon" light on a 1992 Regency Oldsmobile, you can first disconnect the negative battery terminal for about 10 to 15 minutes. This will clear the engine codes and reset the light. Alternatively, if you have access to an OBD-I scanner, you can use it to read and clear the trouble codes, which will also turn off the light. After resetting, ensure that any underlying issues are addressed to prevent the light from coming back on.
check water in plastic water box right side of engine compartment. that's where sensor is
turn off engine, and start again
What does 'service engine soon' light mean on a 1998 olds intrigue?
A 1992 Regency has an OBD I system. The easiest way to reset a service engine soon light is to disconnect the battery and leave it disconnected for a minute or two. You will lose all of your radio presets though. CAUTION: Make sure that the problem is fixed before you reset the light because it will probably come back on.
The service engine soon light on an Oldsmobile Cutlass Supreme notifies the driver that it is time to change the oil. It is trigger around the 3,000 mile mark at regular intervals.
Have vehicle scanned to determine the problem and have codes cleared
check engine light
hard fault code What is a hard fault code?
The service engine light is the same thing as a check engine light.
To read the engine codes on a 1992 Oldsmobile Regency, you'll need to locate the ALDL (Assembly Line Diagnostic Link) connector, usually found under the dashboard near the steering column. Use a jumper wire to connect terminals A and B on the connector. Then, turn the ignition key to the "On" position without starting the engine; the check engine light will blink to indicate the trouble codes. Count the long and short flashes to decipher the codes, or consult a code chart specific to your vehicle for interpretation.
To reset the service engine light on a 1999 Oldsmobile Intrigue, you can use an OBD-II scanner to clear the trouble codes. Alternatively, you can disconnect the negative battery terminal for about 10-15 minutes, which will also reset the light. After reconnecting the battery, the light should turn off, but make sure to address any underlying issues that triggered it before doing so.
Go in through the back of the light in the trunk. You might have to pull away the carpet in the trunk to ger at it. Then it just twists out.