Code readers

Question

If someone would create a sheet with all of the correct readings on it when the cars are new. It would simplify trying to troubleshoot problems by comparing it with various readings in the scanner.Is that available without having to pay a ridiculous 99 bucks or more a months to see?

Answer 1

What all the sensor work and how they work are just voltage, that all the sensor are.There are input and output sensor, Just reading the important sensor will help alot,  Fuel trim just knowing the fuel trim the short fuel trim and the long fuel trim , with the 02 sensor whether this is a airflow or 02 sensor is all you need . How this work will be universal and a standard for all make and model. The reason for the CK ENG LT is to protect the catalytic and purpose for the catalytic is to protect the enviroment of pollution. The reason the CK ENG LT program is used , was to make vehicle more fuel efficient.