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BCDakota
Dodge Dakota
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4/11/2005
01:57:59

Subject: what to replace on a tune up
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I am gonna do a 75,000km tune up on my 2003 clubcab 4x4 tomorrow...what parts do you guys recomend replacing. What upgrades?

thanks for your input. (btw it's a 3.9L)



93dak4x4
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4/11/2005
08:47:15

RE: what to replace on a tune up
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i would replace:
Spark plugs :Autolite AP3924 or AP3923(colder)
Cap and Rotor: Brass Contacts
Plug wires
O2 Sensor

then call it good



?
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4/11/2005
10:48:04

RE: what to replace on a tune up
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Don't forget PCV valve !



Bob Lincoln
Dodge Dakota
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4/11/2005
13:35:59

RE: what to replace on a tune up
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Air filter!
Clean and oil the breather filter, too.
Clean the throttle body.
Clean battery terminals, check all vacuum hoses and wiring.



BCDakota
Dodge Dakota
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4/11/2005
14:21:53

RE: what to replace on a tune up
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The plugs i bought don't say AP3923 they are just say 3923 are they both the same?



Bob Lincoln
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4/11/2005
16:07:27

RE: what to replace on a tune up
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No, AP means they are platinum (longer life), the 3923s are copper.



BCDakota
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4/11/2005
17:44:46

RE: what to replace on a tune up
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Going a little off topic will any year (97-03) 5.2L throttle body work on a 2003 3.9L? I realize the linkages differ. Is $125 Canadian a good price for a used one?



GB2000
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4/11/2005
18:44:23

RE: what to replace on a tune up
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Yup... as long as it's 97+ it'll work. That's around $101 US, if I converted it right...so it's not a horribly steep price, but you could prolly find one for cheaper if you shopped around a bit more. Sometimes you can find em for as low as $50 US...$80 US seems to be the average price though.

Josh




Josh Blackshire - Owner, Ohio Dakotas .NET
Red 98 Dakota Sport - Check it out!

another mark
Dodge Dakota
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4/11/2005
20:03:09

RE: what to replace on a tune up
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O2 sensor on a 2 year old truck?

I'd put a scanner on the O2 before replacing it. Don't waste your money unless it is defective.



Bob Lincoln
Dodge Dakota
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4/11/2005
22:21:44

RE: what to replace on a tune up
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Right. My O2 sensor on my car lasted 190K miles, and worked perfectly until then, giving 35 mpg and very low emissions, same as when new. Replacement has 53K miles on it, still behaving like new. Replace only when a change is noticed. Besides, one this new is under federal warranty.



BCDakota
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4/12/2005
01:12:40

RE: what to replace on a tune up
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My o2 is fine so i will not be replacing it.



poleok
Dodge Dakota
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2/25/2014
21:36:26

RE: what to replace on a tune up
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I'm down to 12 mpg sounds like new Bosh platinum + 4 cap, rotor and wires and 02 sensor ??



poleok
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2/25/2014
21:39:26

RE: what to replace on a tune up
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sorry it's a 92 dakota 3.9 v6 auto with 152,000



suba suba
Dodge Dakota
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12/20/2018
20:11:26

wPdYVNjGGLBQwNDb
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a60jYh Thanks for sharing, this is a fantastic post.



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