backfiring and making ticking noise
Check engine light has been on and flashes randomly backfiring a lot , Slight
smell exhaust in the passenger side air vent. Also makes a ticking noise and
a slight whistling sound. It has had a coolant leak that was sealed with a
nano particle leak repair product. Eeeeeeek
Scan for the codes since the CEL is on. Ticking and whistling is an exhaust leak and or vacuum leak. Backfiring is a timing issue.
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