Car Problem Reports

Chevrolet Impala Check Engine Light Due to Vacuum Leak in EGR Tube

 
Chevrolet Impala Problem
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Model Years Affected: 2000, 2001, 2002, 2003, 2004, 2005, 2008

Exhaust & Emissions Affected: 3.8L V6

Average Mileage: 116,183 mi (16,580 mi - 181,000 mi)

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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.

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