Start with all the basic tune ups stuff. Spark plugs, wires, cap and rotor, air filter, fuel filter, check the timing and the idle speed. Inspect the belts for wear and for the proper tension.
Cleaning the throttle body is very easy and a good first place to start. Just remove the air intake hose and use carb cleaner on a rag to clean the throttle body. Open the valve and clean all around the edges of the flapper. Don't spray cleaner on the throttle body, just on the rag.
The IAC is alot more difficult to take out and clean, but can be done if you have a day to commit to it. Removing the Oil filter helps and getting a 10mm ratching box wrench will help. You need to get to it from below the car. Remove and clean with carb cleaner. You can also check the electrical plug on the IAC to make sure it is tight.
The knock sensor issue could be just that, a knock in the engine. Timing could be off and old spark plugs could cause a problem. I've heard of loose knock sensors causing problems, but the knock sensor is very hard to get to on this car, on the back of the engine below the air intake. You have to virtually pull the engine from the car to get to that sensor.
Cleaning the throttle body is very easy and a good first place to start. Just remove the air intake hose and use carb cleaner on a rag to clean the throttle body. Open the valve and clean all around the edges of the flapper. Don't spray cleaner on the throttle body, just on the rag.
The IAC is alot more difficult to take out and clean, but can be done if you have a day to commit to it. Removing the Oil filter helps and getting a 10mm ratching box wrench will help. You need to get to it from below the car. Remove and clean with carb cleaner. You can also check the electrical plug on the IAC to make sure it is tight.
The knock sensor issue could be just that, a knock in the engine. Timing could be off and old spark plugs could cause a problem. I've heard of loose knock sensors causing problems, but the knock sensor is very hard to get to on this car, on the back of the engine below the air intake. You have to virtually pull the engine from the car to get to that sensor.
