I need some tune up tips

2005 CHRYSLER 300
48,000 MILES • V8 • 2WD • AUTOMATIC
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ESS EMM EMM
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What, exactly, is "Throttle body Service? Same question re "Induction Service"; each for a estimated$120 service charge. Do I really need these items done at this time, with the car showing no particular symptoms?
Apr 4, 2010 at 9:21 PM
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THIS IS MIKE
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A throttle body service is basically cleaning the passageway between the air intake and the engine. Gunk builds up around the air intake butterfly and needs to be cleaned periodically. $120 seems a bit expensive, maybe you could shop around a little. It is not difficult to remove the intake boot and clean.
Apr 6, 2010 at 2:49 PM
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ESS EMM EMM
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Thanks for the answer to the first question; very helpful.

Can you please answer the second one, about "induction service"?
Apr 6, 2010 at 9:20 PM
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THIS IS MIKE
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Deposits accumulate on intake valves, injectors, ports, fuel injectors, and combustion chambers, causing loss of power, rough idle, hesitation, misfire, pinging, knocking, mileage and hard starting.

Clean fuel injectors
Clean throttle body
Clean plenum and air intake
Clean intake valves and ports
Correct balance of fuel and air in system
Apr 7, 2010 at 2:02 PM