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Avalanche 2500, RWD
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Engine Controls - System & Component Testing - 8.1L
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Exhaust Gas RECIRCULATION
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Exhaust Gas RECIRCULATION
NOTE:
For EGR system diagnosis, see appropriate INSPECTION/MAINTENANCE PROCEDURES under
DRIVE CYCLES
in SELF-DIAGNOSTICS - 8.1L AVALANCHE, SIERRA, SILVERADO, SUBURBAN & YUKON XL article.