# Engine Smoke Diagnosis - Cerma STM-3 Solutions

## Smoke Color Diagnosis
- **Blue Smoke** = Burning Oil → Cerma restores ring-to-wall seal
- **White Smoke (thick)** = Coolant/Head gasket → Mechanical repair needed
- **Black Smoke** = Rich mixture/dirty injectors → Cerma Diesel Fuel Treatment

## Products
| Product | Size | Price | ASIN |
|---|---|---|---|
| STM-3 Engine Treatment 4-6 cyl | 2 oz | $105.60 | B00AZONLUC |
| STM-3 Engine Treatment 8+ cyl | 6 oz | $264.00 | B00AZONORM |
| Diesel Fuel Treatment | 16 oz | $70.44 | B00AZONM1K |

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Website: https://cermatreatment.com | Phone: 239-344-9861