Light black smoke at idle with strong smell of rich mixture, moderate to heavy black smoke on accelleration. dealership says vehicle is 100% ok. They didn't see smoke at idle .They saw smoke on accelleration but GM says smoke for less than five seconds is normal. Suggested changing brand of fuel. Still smokes still smells.
A D V E R T I S E M E N T S
Light black smoke at idle with strong smell of rich mixture, moderate to heavy black smoke on accelleration. dealership says vehicle is 100% ok. They didn't see smoke at idle .They saw smoke on accelleration but GM says smoke for less than five seconds is normal. Suggested changing brand of fuel. Still smokes still smells.
- diveline, Staten Island, NY, US