PCV Failure - Reliability Guide & Repair Costs
Understanding PCV Failure
Comprehensive analysis of PCV Failure, including affected engines, models, and cost-saving repair strategies.
Affected Vehicles & Guides
The following detailed guides cover PCV Failure 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 Guide —The Critical $10,000 Oil Screen Recall
Is the Audi 4.0T (RS6, RS7, S8) reliable? Learn why a tiny oil screen starves turbos of oil and why the TSB 2044640 recall is non-negotiable for owners.
Audi 4.0T vs Mercedes M278: The Ultimate: Worth It? Real Maintenance Costs
Audi 4.0T vs Mercedes M278: Which is more reliable? Comprehensive comparison of failure modes, repair costs, and long-term ownership.
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.





