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You can spray (with carb spray or special fuel injector linkage spray) the linkage around the throttle body, but the injectors, which are really the main part of the system are always being cleaned with gas while you drive. Gas is a great cleaner, so the simple answer is "no". That's one of fuel injection's big advantages over older style carburated systems, that needed cleaning and rebuilding sometimes. I've bought those fuel injecting cleaners that you add to a full tank of gass but they didn't do much. Drive them until they fail. You can check the electrical conections to the injectors, but there's no need for any routine maintenance.

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โˆ™ 2015-07-16 18:16:58
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Q: Is fuel injection service necessary
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