What does the service engine soon light mean on a Chevy?
The “Check Engine” or “Service Engine Soon” light indicates there may be a repair or replacement of your engine or transmission. It means there is more than a routine repair or service requirement, and instead, a system failure to the fuel, transmission, ignition, or emissions.
What causes service engine soon light to come on?
The Check Engine/Service Engine Soon light comes on when there is an emissions, ignition, fuel system or transmission related failure. This light does not mean that you just need routine maintenance.
What’s the difference between check engine light and service engine soon?
The simplest way to describe the difference is that the Service Engine light informs us of upcoming expected maintenance. On the other hand, the Check Engine light informs you of an unexpected problem occurring in your engine or exhaust system.
What does service engine soon mean on a 2001 Silverado?
The service engine soon light only turns on when an OBD II trouble code is present in the engine control computer (ECC). Trouble codes are only triggered when the ECC finds a problem that can cause engine emissions to increase. A trouble code P300 refers to a random miss-fire. It’s a very common trouble code.
How do I find the engine code on a Chevy Silverado?
Press the odometer’s Trip and Reset buttons while turning the ignition key ON. After turning the key ON, release the odometer Reset and Trip buttons to check if the Diagnostic Trouble Code or DTC appears on the odometer display.
How do you reset the check engine light on a Chevy Silverado without a scanner?
Reset A Check Engine Light: Two Techniques On some models, turning the car on and off several times may be enough to do the trick. Start the car, let it run for one second, and then turn it off. Let the engine sit quietly for two to three seconds, and then repeat the whole process two more times.
How do I check my engine codes without a code Silverado?