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What it means if check engine light comes on?

What it means if check engine light comes on?

The check engine light — more formally known as the malfunction indicator lamp — is a signal from the car’s engine computer that something is wrong. If the light begins flashing, however, it indicates a more serious problem, such as a misfire that can quickly overheat the catalytic converter.

When did the Chevy Lumina engine come out?

The Chevy Lumina was introduced by General Motors in 1990 and ran until 2001. This model had two different on-board diagnostic systems. Prior to 1996, OBD (on-board diagnostics) was integrated to help determine check engine codes. In 1996, the OBD II phase standardized and simplified the troubleshooting system.

How to reset the service engine light on a Chevy Lumina?

Leave the negative battery terminal disconnected for 10 to 15 minutes. Reconnect the negative battery terminal and recheck the service-engine-soon light by starting the car. Locate the diagnostic link connector (DLC) beneath the driver’s side dashboard. Plug the OBD II code reader and reset tool into the DLC.

What is the diagnostic code for a Chevy check engine light?

Remember, these are manufacturer specific codes only. Refer to our Generic OBD II code list for definitions on all other Chevy diagnostic trouble codes. Manufacturer Specific Codes P0342Camshaft Position Sensor A Bank 1 Low Input – Related Information P1031HO2S Heater Current Monitor Control Circuit Sensors 1

Where is the negative battery terminal on a Chevy Lumina?

Open the hood of the Lumina. Locate the negative battery terminal on the battery. This has a black wire and is identified by a negative “-” stamped on the battery housing. Disconnect the negative battery terminal using a box-end wrench and isolate it so it does not come back into contact with the negative battery post.

The Chevy Lumina was introduced by General Motors in 1990 and ran until 2001. This model had two different on-board diagnostic systems. Prior to 1996, OBD (on-board diagnostics) was integrated to help determine check engine codes. In 1996, the OBD II phase standardized and simplified the troubleshooting system.

Leave the negative battery terminal disconnected for 10 to 15 minutes. Reconnect the negative battery terminal and recheck the service-engine-soon light by starting the car. Locate the diagnostic link connector (DLC) beneath the driver’s side dashboard. Plug the OBD II code reader and reset tool into the DLC.

Remember, these are manufacturer specific codes only. Refer to our Generic OBD II code list for definitions on all other Chevy diagnostic trouble codes. Manufacturer Specific Codes P0342Camshaft Position Sensor A Bank 1 Low Input – Related Information P1031HO2S Heater Current Monitor Control Circuit Sensors 1

Open the hood of the Lumina. Locate the negative battery terminal on the battery. This has a black wire and is identified by a negative “-” stamped on the battery housing. Disconnect the negative battery terminal using a box-end wrench and isolate it so it does not come back into contact with the negative battery post.

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Ruth Doyle