Unfortunately, it is possible to damage the catalytic converter, that is cause a blockage, if the engine misfires "too much" and/or for a prolonged period. It is not yet known whether your converter is damaged, but I will get to...
Hi there - the knock sensor on this engine is under the intake manifold, just behind the power steering pump, and is best seen and accessed from underneath the car. For assistance with a replacement, have a knock sensor replacement...
The front brake pads are squeaking from the metallic material in the pads when the pads were made at the factory are rubbing on the rotor surface causing the metal to metal squeal. If you do not like the noise...
Knowing the results of the computer diagnosis as well as the part that was replaced can be helpful in assisting you with your Pontiac G3. It is possible the part that was replaced is defective and may need to be...
You may be having a problem with the A pilar; the sunroof drain could be leaking water into some electrical connections in the driver's side kick panel. The connections for the throttle position pedal sensor are there, which may have...