Walnut shell blasting is a highly effective method for cleaning carbon buildup, and it’s generally recommended every 40,000 to 80,000 miles, depending on the vehicle.
Category:
Common Faults
Vehicles with turbocharged or direct injection engines are especially prone to carbon buildup. Below are some commonly affected makes, models, and engines:
Volkswagen (VW):
- Golf GTI (MK5-MK8): EA113 and EA888 engines.
- Passat and Jetta (TSI engines).
Audi:
- A4, A6, S4, RS5: TFSI engines like the EA888 Gen 3.
- Q5 and Q7 (3.0T engines).
BMW:
- 3-Series (N54, N55, S55 engines).
- M3, M4, and X5 with turbocharged engines.
Toyota:
- Land Cruiser (1VD-FTV and 1GR-FE engines).
- Prado diesel and gasoline models.
Hyundai/Kia:
- Sonata, Santa Fe, and Optima with Theta II engines.
- Stinger GT (Lambda II engines).
If you’re driving any of these models and notice power loss, misfires, or decreased fuel economy, it’s likely time for a professional carbon cleaning service.