Changing Plugs - What else should I do?
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Elder User
Joined: Feb 2005
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From: Kansas City, KS
Changing Plugs - What else should I do?
I have a 2000 5.4 with 84k. I have three spark plugs left to do, did the others in hour and 15 - not bad considering there a PITA to get to. After I get those done I'm going have to some time to do a few others things, But the question is what? I'm going to clean the tb, iac maybe the egr valve - I've had problems with busted bolts in the past on them- Anything else I should do? I'm guessing throttle body cleaner will be work for all of them. Thanks in advance. Eric
Tuned
Joined: Jan 2003
Posts: 276
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From: Texas
Check your vaccuum lines also, I didn't think mine were bad but when my mechanic changed my plugs he also switched out a few bad lines and now my engine is so much quieter, I never realized how loud it had become and just assumed it was my dual exhaust.
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Elder User
Joined: Feb 2005
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From: Kansas City, KS
Fuel filter is only about a year old, pcv valve will be replaced once I get to the dealer, you ought to hear the one I have on it now. As far as vacuum lines I checked all of the ones I worked around, all my underhood noise is from the AF1 and PS pump. It doesn't run any different as far as I can tell yet, though doesn't ping as much. If those was the originals I pulled out they could of easily went another 100k, so i'm guessing they been changed some time, although changing from the 3 thread to 6+ thread plug makes me feel a little better. Eric
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Postmaster
Joined: Aug 2003
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From: South Texas
Originally Posted by es1999
I would do wires too....Taylor makes a great wire, have had great luck withthem in the past.
Erik
Erik
If those was the originals I pulled out they could of easily went another 100k, so i'm guessing they been changed some time, although changing from the 3 thread to 6+ thread plug makes me feel a little better. Eric
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