Quote:
Originally Posted by Mcgiiver
I am running a Gep prizm '95 with 1.6 L fuel injected. I am wondering if cleaning the throttle body really helps mileage as it is only air flowing through? I am not talking about the TB being so dirty that the throttle sticks or anything like that. Just removing the layer of carbon about every 30,000 miles. Obviously FI cleaner through the tank does not get this carbon out as it goes a different route.
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If your Throttle body has metering ports that are clogged bad enough it can throw some really weird codes. Clean them with some spray cleaner just like you did with a Carb. With your computer receiving the proper signals to run the power-train, it may or may not get better gas mileage. But for the cost involved and possibly cleaner air to breath I do it every time that I clean my re-usable Air Filter.