How do you erase trouble codes on car?

You turn on the key and scan by pushing a button that says read codes. After writing down the numbers of the trouble codes stored you can then hit the erase codes button. Now you’re done and ready to test drive the car.

How long after clearing codes to complete new cycle?

NOTE: The ignition key must not be on prior to the cold start otherwise the heated oxygen sensor diagnostic may not run. 1. As soon as the engine starts, idle the engine in drive for two and a half minutes with the A/C and rear defrost on.

Why is the oxygen sensor not ready for the drive cycle?

These constantly monitor the sensors, the fuel mixture, and the occurrence of misfires. If the oxygen sensor heater monitor is not ready, check to see how many other monitors are not ready. If the oxygen sensor and catalyst monitors are also not ready, the culprit is most likely a weak battery.

What’s the best way to clear a computer code?

You can use a code scanner to retrieve and clear the codes, which is the proper method. Or you could disconnect the battery and drain the memory holding capacitor in the computer to clear it that way. I will explain both for you, but I only recommend using a scan tool.

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.

What happens when you clear a code on a 93?

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.

How to pass inspection and complete a drive cycle?

In this video I’ll show you how to complete a drive cycle and pass inspection after turing off your check engine light. It is true that your car will not pass inspection if the check engine light is on. However there is more to it than simply turning it off.