I used the E3s in my 2000 4.7L. At first I saw an increase in mileage, but over time it has returned to normal. I picked up the autolite plugs for the next change. But, otherwise, my truck has been running just fine on them.
>________________________________
>From: Marc W. Grobe <mgrobe@leghorncomputing.com>
>To: DML 5 <owner-dakota-truck@bent.twistedbits.net>; DML1 <dakota-truck-moderator@bent.twistedbits.net>; DML2 <dakota-truck@buffnet.net>; DML3 <aol@dakota-truck.net>; DML4 <dakota-truck@dakota-truck.net>
>Sent: Monday, November 14, 2011 8:10 AM
>Subject: DML: Spark plugs and idle issue on '00 4.7L Dak
>
>
>My father's '00 Dakota is in need of a little maintenance. He's due to replace spark plugs on it and he was interested in the E3 spark plugs the last time we discussed doing a tune-up. What's the latest impressions of these plugs on the 4.7L? Any additional plugs to recommend?
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>Second issue is that his idle has been surging at times. He's currently undergoing cancer treatment so some of what he has described to me can be a bit confusing, but I believe he was suspecting the IAC. I believe he felt it was that due to it being better after cleaning the throttle body, but after a few thousand miles the surging would return. The only other culprit that I feel is likely is the TPS. Anyway I can isolate one item or the other? I don't have his hard copy of FSM in front of me, but is there a range of values to test the TPS with a multimeter? Any other way I can narrow it down prior to throwing money at a new part?
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>Lastly, anything else you do on a tune-up? Of course I am aware of the air filter and we'll be doing an oil change soon. Anything else that routinely gets done on the 4.7L?
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>I appreciate all feedback.
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>-Marc-
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