How often should it be done?
It depends on the product, but generally between 15,000 to 30,000-miles.
Are they necessary? It depends: See the discussion under Are they worth it?
Can a fuel injection service do any damage to my engine or car? Not if done correctly. Done incorrectly, anything goes. A technician could conceivably hydro-lock your engine, or blow a hole in the piston—although both scenarios are rare.
If anything does go wrong, there is usually an underlying problem, which gets exacerbated by the fuel injector auto maintenance.
Why doesn’t my manufacturer recommend fuel injector cleaning auto maintenance? No manufacturer recommends fuel injector cleaning auto maintenance under normal operating conditions. From a manufacturer’s viewpoint: take care of your car right (i.e., as the manufacturer dictates) and you’ll be fine.
However, depending on the problem, some manufacturers will recommend fuel injector cleaning auto maintenance as the cure—especially carbon knock. With the wide variety of fuel qualities available, manufacturers are reconsidering fuel injector cleaning auto maintenance.
How much does fuel injector cleaning auto maintenance cost?
Prices vary depending on the service center and the actual procedure performed, and product used. The procedure you want should clean the entire fuel system including the tank and should not cost more than $150.
Also, make sure the service is actually performed as fuel injector maintenance is a common scam across the industry.
Lastly, fuel injection maintenance is often presented in such a way as if it is the magical cure for all your car's quirks--it not!
When in doubt, don't do it.
by: Theodore Olson
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