2005 Pontiac GTO Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2005 Pontiac GTO
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2005 Pontiac GTO ProblemsCheck Engine Light Due to Gas Cap or Catalytic Converter
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.
The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.
2005 Pontiac GTO QuestionsMy 2005 GTO over heated, but there was still water in radiator ? (1 answer)
I drove 3 miles from work an notice the temperature gauge rising rapidly. I pulled over to put water in the radiator, but it was still full of water and the fan was running. I had the car towed home. what should I do ?
I replaced a thermostat about 2 months ago after my 2005 gto overheated i just had to replace it again the other day , but this time it wasnt the problem. when my heat is all the way up it still blows cold air and my car overheats i need to know what the problem is. besides the water pump or heat...
i have replaced the thermostat and it worked fine for a month or so than it overheated again replaced thermostat again cooling fan came on it was fine and 2 days later its overheating again the cooling fan comes on any ideas