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Only induction cleaning I can think of is Injector cleaning, using the J35800 injector cleaning machine (which the dealer would use). IT IS NOT necessary unless you have a driveability concern such as long or hard starts, chugging, a rough idle or intermittent misfires. Most of these conditions will light the service engine soon light and drop a code into the PCM memory. This code will signify a lean fuel system or be misfire codes.

Modern fuel injectors, like GM uses on the H2 and H3 (Multec 2 injectors), are clogged by contaminated fuel, not by carbon deposits as on older style injectors used in previous years and/or models.

Therefore, unless you have one of these driving concerns, do not waste your money at the dealer and pay them to clean injectors that are not dirty. If you want to do something to help keep the fuel system (including injectors) clean at every oil change add a can of Techron (Chevron?s fuel system cleaner), that can be purchased at every major auto parts store. (GM recommends GM?s own brand of fuel system and fuel injector cleaner; however, its major ingredient is Techron, and it costs a bit more.)

Another way to help the fuel system stay clean is to purchase fuel from a Top Tier Supplier only, but this can sometimes be difficult.

Personally, I add a can of Techron every 10K miles in all my vehicles, and have never had clogged or dirty injectors.