Tune up question, pls help
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Tune up question, pls help
I have a 1998 5.4 liter, 4x4 w/ 70,000 miles. The book says it's time for new plugs about 10,000 miles ago. I know this is a big job, so should i take it to the ford dealer or should any competent mechanic be able to figure it out? My local shop has not worked on this motor but has been a mechanic for 20 years, plus.
Also, what else should I get done? I am being told a $130 fuel injection cleaning is necessary, where they hang a bottle of solvent and run it through the injectors with the motor off. I am told this is the best method and at 70,000 miles, really need it.
The vehicle runs fine though gas mileage has dropped from 16.1 on hwy to 14.4 and the city mileage dropped too. Air cleaner (k&n) is clean so maybe it's the plugs/injectors.
Any suggestions are appreciated.
Also, what else should I get done? I am being told a $130 fuel injection cleaning is necessary, where they hang a bottle of solvent and run it through the injectors with the motor off. I am told this is the best method and at 70,000 miles, really need it.
The vehicle runs fine though gas mileage has dropped from 16.1 on hwy to 14.4 and the city mileage dropped too. Air cleaner (k&n) is clean so maybe it's the plugs/injectors.
Any suggestions are appreciated.
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Joined: Aug 2003
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From: Isanti, MN
For the spark plugs, any competent mechanic should be able to change them with no problem. You'll pay twice as much if you go to the dealer, and they won't do a better job.
For cleaning the fuel injectors, you can go to a local auto parts store and buy a bottle of fuel injector cleaner. Put it in your tank when you fill up, and that should clean out your fuel injectors.
For cleaning the fuel injectors, you can go to a local auto parts store and buy a bottle of fuel injector cleaner. Put it in your tank when you fill up, and that should clean out your fuel injectors.
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