2008 dodge avenger
I gave a dodge avenger and the
oil was low, so I added some.
Now the check engine light is on
and it tried to stall out on me. It
has 115,000 miles. When
adding oil, I noticed one was
5w30 not all was 5w20. Could
this harm my car. I am scared to
Using a different weight oil will not harm anything and there is no reason to be scared. The Check engine light on means there is a sensor detecting a problem, that's why you have drivability issues. You can have the car scanned for the fault codes to tell you what exactly is the issue. Have your local mechanic hook it up to a scanner to tell you what needs to be fixed so it won't stall on you anymore.
Uhh, how much oil did you add?
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