ANSWERS: 2
-
Could be something serious or it could be a knock sensor.
-
The 'engine light' didn't turn on 'out of nowhere'; it turned on because the computer detected a problem with the engine's performance. Based on what you stated, it's probably a 'mis-fire'. Step 1: scan the computer to help pin-point the problem; Step 2: fix it.
Copyright 2023, Wired Ivy, LLC

by 