A loose or worn gas cap or a faulty catalytic converter are two common items which can cause Check Engine Light to illuminate.
Resources for the Repair and Maintenance of your 2006 Pontiac GTO
2006 Pontiac GTO
2006 Pontiac GTO Problems
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.
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.
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The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.
Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.
2006 Pontiac GTO Questions and Answers
I just found out my car blew the head gasket, it has over 100,000 miles on it. Is it worth it to fix it for 1,500.00 or not. I am a female trying to figure out if I should keep or not,
I bought the car 3 month ago and the ignition cylinder locked 30 days later. I took it to a local GM dealer and was not satisfied with their service. they replaced the cylinder and it locked again ...
MY QUESTION IS WHERE IS THE SECONDARY AIR INJECTION VACUUM CHECK VALVE LOCATED ON MY 2006 PONTIAC GTO AND HOW MANY DO I NEED? ALSO IS IT EASY TO INSTALL/REPLACE? THANK YOU...