Chevrolet TSB #PI1206
2014 Chevrolet Sonic
Affected Component: FUEL SYSTEM, GASOLINE
- Summary
- This PI provides information on using top tier fuels on vehicles that have a MIL illuminated and rough idle at cold ambient temperature at 14 to 50 degrees F (-10 to +10 C), possibly caused by a low volatilty fuel not blended for colder temperatures.