Report: Check Engine Light Due to Vacuum Leak in EGR Tube
Chevrolet Lumina Problem
Model Year Affected: 1998
Exhaust & Emissions Affected: 3.8L V6
Average Mileage: 199,500 mi (149,000 mi - 250,000 mi)
The exhaust gas recirculation (EGR) tube which connects the EGR valve to the intake manifold may develop an engine vacuum leak, causing the Check Engine Light to illuminate with code P0171 and/or P0174 stored.