1. Check Technical Service Bulletins:To diagnose the Check Engine code, the first step is to check for common known problems. Car manufacturers periodically issue Technical Service Bulletins (TSBs) that describe common problems for certain models. Some TSBs are posted on the internet; Google can h...
For example, let's say your Check Engine Light is on and you find a trouble code for one of the oxygen sensors (code P0130). The code might indicate a bad sensor, or it might indicate a loose connector or wiring problem. You should check the wiring first before replacing the sensor. ...
As for for the previous check engine light, was the fault code related to the evap system? If so, then yes, it is likely that the MIL will illuminate once the evap monitor completes to ready. Reply↓ Enrique DiazFebruary 23, 2023 at 3:42 pm ...