Carbon Buildup - Reliability Guide & Repair Costs
Understanding Carbon Buildup
Comprehensive analysis of Carbon Buildup, including affected engines, models, and cost-saving repair strategies.
Affected Vehicles & Guides
The following detailed guides cover Carbon Buildup specifically for the listed models.
Audi 2.9T (EA839) Engine Reliability: The Definitive Guide (2025)
The definitive guide to Audi 2.9T (EA839) reliability. Rocker arm failure, turbo issues, and ownership costs for RS5, RS4, and Porsche.
Audi 4.0T V8 Reliability: The Definitive Guide (EA824 Hot-V Twin-Turbo)
The definitive guide to Audi 4.0T V8 reliability. Turbo oil screen recall, PCV failures, and carbon buildup in RS6, RS7, S6, S7, and S8.
Audi RS5 B9 Common Problems: The 5 EA839 Failures You Must Know
Audi RS5 B9 2.9T EA839 common problems: pre-2019 rocker arm failure, charge-air cooler cracks, cooling system plastic failures, and mileage-based patterns.
Audi RS6 C7 Reliability: The 560hp Wagon Gamble
Is the Audi RS6 C7 Avant reliable? A brutally honest guide to owning the 4.0T V8 wagon. Turbo oil screen recall, PCV failures, air suspension.
Audi RS7 Common Problems: The 560hp Sportback Reliability Guide
The breakdown of Audi RS7 C7 reliability. Common failures with 4.0T V8: turbo oil screen recall, PCV failures, ZF 8-speed transmission.
Audi S4 B9 (3.0T/2.9T) Reliability: The Rocker Arm & Water Pump Reality
Is the Audi S4 B9 reliable? Detailed analysis of the EA839 engine's rocker arm failure, water pump leaks, and total ownership costs.
Audi S6/S7 4.0T Problems: The 420hp Sedan/Sportback Reliability Guide
The breakdown of Audi S6/S7 C7 reliability. Common failures with 4.0T V8: turbo oil screen recall, PCV failures, DSG transmission issues.
Audi S8 D4 Engine Issues: The 520hp Flagship Reliability Guide
The breakdown of Audi S8 D4 reliability. Common failures with 4.0T V8: turbo oil screen recall, PCV failures, air suspension issues.
Audi SQ5 B9 Reliability: Air Suspension & Rocker Arm Risks
Is the Audi SQ5 B9 reliable? Complete guide to the EA839 3.0T engine, air suspension failures, and cost of ownership.
Mercedes E550 Engine Problems: The M278 V8 Reliability Guide
The breakdown of Mercedes E550 (W212) reliability with M278 V8. Common failures: cylinder scoring, timing chain tensioners, turbo coolant leaks.
Porsche 4.8L V8 Reliability: The Definitive Guide (M48 Engine Family)
The definitive guide to Porsche 4.8L V8 reliability. Alusil bore scoring, coolant pipe failures, and transfer case issues.
Porsche Panamera 4.8 Reliability: The V8 Luxury Sedan Gamble
Is the Porsche Panamera 4.8 (970) reliable? Brutally honest guide to owning the M48 V8 sedan. Bore scoring, thermostat housing leaks, air suspension.