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Old 03-12-2010, 09:26 PM
878ranger878 878ranger878 is offline
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Default Engine tune up???

my 4.0L v6 i can tell is getting older. its a 2003 and has 100k on it. is the best/cheapest thing to do to get better performance... new spark plugs? or is their such thing at the mechanics as an engine tuneup???
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Old 03-12-2010, 09:31 PM
1996project_ranger 1996project_ranger is offline
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Default Re: Engine tune up???

i would put new plugs wires air filter and fuel filter
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Old 03-12-2010, 09:47 PM
BigT8600 BigT8600 is offline
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Default Re: Engine tune up???

agreed. also, clean mass airflow sensor, and throttle body. do a search for how to do this.
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Old 03-12-2010, 09:49 PM
CUTiger CUTiger is offline
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Default Re: Engine tune up???

Changing the fluids, filters, wires, plugs(make sure their gapped properly), are pretty much all the mechanics will overcharge you for and call it a tune up.

You could probably do this for under $100 yourself depending on what fluids and filters you use and if you change ALL the fluids or just the major ones.
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