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Cleaning air intake valve. Good idea? laura 5-8-17  
My engine is idling intermittently, kind of like surging, which is scary at a stop light. Someone mentioned that carbon builds up inside the intake valve, which can block the valve from fully closing, which then causes the engine to surge as it tries to regulate the gas/air mixture.

Just looking for a second opinion, please? Does this sound plausible?

Thanks in advance...

Re: Cleaning air intake valve. Good idea? Bubba The Bus Tech 5-8-17  
Without year make model I am just guessing.

This is one of the repairs recommended for this issue. As long as it is actually the problem at least.

If it is a throttle body injection you could have a poor or plugged injector.

Good Luck
Re: Cleaning air intake valve. Good idea? Laura 5-9-17  
So, that was quite fun. I took off the air filter and hose that attaches to the air intake valve, and lo-and-behold, what a build up! I chose to unbolt it (4 bolts), un-attach the electrical connections, and remove the whole thing. I used carburetor cleaner (had some handy and parts store said it was okay for what I was doing), a toothbrush, and then rinsed with water. Waited until full dried, then dried with a towel anyway to be sure no moisture was present. Re-attached, secured everything, then followed YouTube instructions for reprogramming computer on start. Runs like a dream, and no surging. Woo hoo!

Probably wasn't exactly the right way, but will tell my mechanic my steps, should anything go wrong. Yikes...

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