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Chevy Silverado
Check Engine Light
VW New Beetle

How do you disconnect the check engine light?

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2015-07-15 21:10:17
2015-07-15 21:10:17

In order to turn off the "Check Engine Light", you or a trusted mechanic check the Onboard Diagnostics (OBDII) OBDII uses a "code reader" which plugs into your car (usually in the dashboard, or near the radio...) and that tells you what "malfunction" is setting your Check Engine Light off.

Basically, if there is a fault in any computer controlled system (fuel, ignition, SRS (airbag), emissions etc) the Electronic Control Unit (ECU) sends a code to the OBD unit... Then the code reader breaks down the fault, it's location and usually (with a good reference manual) you can remedy the problem (or at least narrow it down!)

Good luck and by the way, you can purchase OBDII Code Scanners starting at $99 or so from a ton of auto parts places, if you're a DIYer...

Best

Spencer

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You can not disconnect the check engine light.

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on most vehicles if you disconnect the battery cables it will reset the check engine light

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To turn off the check engine light on a 1999 Toyota Camry you can disconnect the battery. This will only reset the check engine light. So if there is a persistant problem with the engine, the light is likely going to stay on. To turn off the check engine light on a 1999 Toyota Camry you can disconnect the battery. This will only reset the check engine light. So if there is a persistant problem with the engine, the light is likely going to stay on.

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A quick way to reset the check engine light would be to disconnect the battery for a short while


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