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DOHC - 2.3L Duratec / Mazda L Engines Discussions and Topics specific to the Duratec 4 cylinder engines

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Old 09-16-2006
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Spark Plugs,,

I want to change my own spark plugs, the problem is the book I have about the ranger doesnt cover my 2002 2.3L, so what should I buy? My dad says it is a pretty simple install, I can see 4 plugs on top of the engine so I assume I only have 4 spark plugs.

Any brand recommendations and where to get them? I also plan to replace the wires aswell,, what is the gauge for gap?

pepboys quoted $80 installed for just plugs but that I should get double platinum or something,,
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Old 09-16-2006
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I'd get the factory Motorcraft plugs, depending on your miles you might not even need new wires, but JBA makes good wires, and the underdog wires are good, thats what I have. Check around the vacuum diagram under the hood, it should say the plug gap..
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Old 09-16-2006
dixieranger44
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i think you have 8 spark plugs. not sure about later models but all the 2.3s i know of have 8. and the passenger side ones are a ***** to get too
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Old 09-26-2006
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My driver side are the hard ones for me.
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Old 09-26-2006
dixieranger44
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Quote:
Originally Posted by cmher18
My driver side are the hard ones for me.
yea thats what i meant. must of been thinkin backards
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Old 09-26-2006
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The 2001+ 2.3's have 4 plugs. I would use Motorcraft double platinums and Motorcraft or other quality wires. Look up the correct plug and gap in your owners manual.

OR online:

Bookmark this-> Ford Owners Manuals
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Old 09-27-2006
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what about the Bosch Platinum+4 Spark Plugs?
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Old 09-27-2006
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Most people have had nothing but bad luck with the Bosch plugs with the 2.3L. I have found the original Motorcraft plugs to be the best for this application. My '03 uses agsf32fec double platinum plugs. Some Ford dealers will try to charge over $17 per plug. Murray's auto parts sells them for $6.73 per plug. I have tried most of the available plug options for the 2.3L, but the Motorcrafts can't be beat.
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Old 09-27-2006
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Yeah when I went to the dealer to get a set for my truck, they wanted $8.50/ea and the parts guy gave me a break and let me have em for $5/ea, probably because i was in there a lot over the summer. Those bosch platinum 4's are just a rip off for our trucks.
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