2006 Pontiac GTO Problem Reports

RepairPal Verified 2006 Pontiac GTO Problem Reports

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One or both secondary air injection check valves may become restricted causing poor air flow resulting in illumination of the Check Engine Light. It is often recommend to replace both check valves even if a fault code is set for only one bank of cylinders. Replacing only one valve may result in a return trip to the repair shop.

A loose or worn gas cap or a faulty catalytic converter are two common items which can cause Check Engine Light to illuminate.

A dirty throttle body may cause a lower than normal idle and possible stalling condition. Performing a throttle body service will commonly correct this concern.