Smoke and smell when entering interstate?

Asked by May 02, 2017 at 02:06 AM about the 2010 Chevrolet Equinox LS AWD

Question type: Maintenance & Repair

A friend followed me on to the interstate the other day, and he said my car
had a weird smell and black smoke when I accelerated. Is this something I
should be concerned about, or could it be from something simple like
accelerating too hard?

3 Answers

45

Bad fuel could cause the black smoke and odd smell. I suggest that you put a fuel additive in the tank. It is worth the $25 cost to help keep from the bad fuel damaging your system and the additive usually helps clean the injectors. I use the Wynn's product for this. See the attached photo.

1 of 1 people found this helpful.
45

Here is the oil treatment for both gasoline and diesel engines.

1 of 1 people found this helpful.
58,335

It is likely NOT bad fuel. Is your check engine light lit? If so get the codes read at a local autoparts store and post them here. Bad O2 sensor, defective catalyst or other issues could cause this.

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