I have always used a fuel system or fuel injector cleaner–the $3 to $5 per bottle stuff at any auto parts store–with each oil change and never had a fuel system problem. Whether these products do anything is debatable but it makes me feel better. I refused a “throttle body cleaning” at the dealer about 50,000 miles ago and have never experienced a problem. many on this board call these procedures a “wallet flush”.
mleich
3
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