What is the price of Ford Motorcraft spark plugs?
4th Gear Member
Joined: Jun 2010
Posts: 1,846
From: Illinois
I can't see a reason why brand new plugs would throw 3 or 4 codes and make me feel like I got cams and running on 6 cylinder when coolant temps are between 30 and 60 Centigrade. I want my money back. How am I gonna feel if I find out that I spend countless hours chasing 0430 code and swapping O2 sensors for a set of faulty spark plugs? Probably set me back 300-400$!!!
Gentleman's Relish
Joined: Feb 2005
Posts: 13,188
From: AZ
The new design of plug refers to the revised head on the November 07+ build of '08 mustangs.
In order to utilize that new spark plugh (more traditional looking) you woul dneed to swap your heads and COP system to work with the new head/plug.
I've had champion in my car for 20K+ miles without a single problem. Perhaps the procelain was cracked on the batch the YM42 had?
http://forums.themustangsource.com/f...s-work-478171/ picture about 2/3 of the way down shows the new plug design versus the older 2-piece.
In order to utilize that new spark plugh (more traditional looking) you woul dneed to swap your heads and COP system to work with the new head/plug.
I've had champion in my car for 20K+ miles without a single problem. Perhaps the procelain was cracked on the batch the YM42 had?
http://forums.themustangsource.com/f...s-work-478171/ picture about 2/3 of the way down shows the new plug design versus the older 2-piece.
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