Why are there error codes on my car?

Why are there error codes on my car?

Codes are meant to indicate a possible malfunction in certain components or systems within a car. Some codes prop up because certain events did not happen in the recommended sequence.

Where can I find the engine trouble code?

This engine code, called a Diagnostic Trouble Code (DTC), is stored in the OBD system and can only be accessed by connecting a scan, or diagnostic tool into the EOBD diagnostic socket and reading the DTC off the display of the scanner.

Where do I find the Diagnostic Code on my car?

Diagnostic Trouble Codes, also known as engine fault codes, are five-digit codes that identify a particular problem in the car. These codes are displayed on the scanning tool when it’s connected to the OBD system.

How are trouble codes stored in a car?

Diagnostic trouble codes (or fault codes) are codes that are stored by the on-board computer diagnostic system. These are stored in response to a problem found in the car by the system. These codes are stored when a sensor in the car reports a reading that is outside the normal/accepted range…

What does it mean when check engine light is on but no codes?

No code being generated on the reader does not mean the driver is in the clear. In fact, when the light is on, the odds are just as high that there has actually been something wrong for a while even if no code is generated.

What does clearing a code on a car do?

Clearing a particular code on the other hand simply tells the system “forget that failure happened and turn off the check engine light.”. Not the same thing. On a 93 though the ECU may not be quite that capable.

Why does my car have an EVAP code?

Good news for consumers with vehicles not showing any signs of a fuel leak: even if your check engine light is on and you find an EVAP code via the OBD II reading, it might be a simple fix. In other cases, however, it might not be. The most common reason a vehicle shows an EVAP code is because the gas cap is not secure.

Is there an OBDII code for my car?

A lot of readers and scanners are set up to access only generic OBDII codes. Most vehicle manufactures also have their OEM codes that some Readers and Scanners can’t seem to read for lack of conversion ability.