How do I disable check engine light?
As others have already pointed out, you can simply remove the lamp or disconnect it and it won’t light up. You could use the power line for another lamp that goes on during the startup check but doesn’t normally come on if you want to make sure it does come on during the startup check.
When to replace a check engine light bulb?
Bulbs do burn out, even after only 14 years (sarcasm intentional). Before you do anything else that might be more expensive, try replacing the bulb for your CEL. As physicians are taught in medical school, “If you are in the US, and you hear hoofbeats approaching, think “horses”, rather than “zebras”.
Why does my engine light not come on?
The light should come on when you turn the key to “ON,” and it should go out after the engine starts. If it NEVER comes on I’d suspect the bulb. Most CELs ground through the ECM so if the first suspect bulb is good then there could be an ECM fault. Hopefully it’s the bulb.
When does the service engine soon light come on?
If your Check engine light is ON, the easiest way to diagnose this problem is to always check your trouble code memory with an OBD2 scanner. The check engine light will not light up if there is a scheduled service as the service engine soon light. It does only occur when there is a problem with your engine.
What to do if your engine maintenance light goes out?
Check your engine control unit for any stored trouble codes. If you receive any codes, save them and try to get information about what they mean. If there are codes for emission problems that are not dangerous for your engine, you can try deleting the code to see if the engine maintenance light goes out.
Bulbs do burn out, even after only 14 years (sarcasm intentional). Before you do anything else that might be more expensive, try replacing the bulb for your CEL. As physicians are taught in medical school, “If you are in the US, and you hear hoofbeats approaching, think “horses”, rather than “zebras”.
The light should come on when you turn the key to “ON,” and it should go out after the engine starts. If it NEVER comes on I’d suspect the bulb. Most CELs ground through the ECM so if the first suspect bulb is good then there could be an ECM fault. Hopefully it’s the bulb.
How to clear service engine soon light 1990 to 2002 Chevy?
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