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November 9, 2012 Service bulletin

Engine and engine cooling: engine: engine control module (ecu/ECM): software

Chevrolet technical service bulletin PI0325B for 2006 Chevrolet Equinox.

Bulletin number
PI0325B
Component
Engine and engine cooling: engine: engine control module (ecu/ECM): software
Summary
This preliminary informational bulletin provides a procedure to reprogram the engine control module to correct a concern of detonation, spark knock and or rattle noise on light acceleration.

Owners of these vehicles have filed 128 complaints in the engine category.

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