With my last oil change I started to use a full synthetic oil(5W30) in my 2010 HHR. The oil indicator shows I still have 29% oil life but the check engine light has come on and the code is P0010. Wh
Can changing to a full synthetic oil(5W30) cause slug to build up in the
engine. I am getting 23.8 MPG's around town and 33.6 MPG on the highway.
Looking for a Used HHR in your area?
CarGurus has 310 nationwide HHR listings starting at $1,999.
Own this car?
Share your experience with others.
2010 Chevrolet HHR
Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.