Originally posted by turbotrix:
...i have new plugs NGK and wires ..
This may be the problem. In addition, is it gapped 0.054 inch? The Contours are very finicky about the spark plugs.
Duratec Maintenance FAQ
"The Duratec requires double-platinum plugs for proper operation. Single platinum or copper plugs will fire but will wear prematurely. Appropriate stock replacements are Motorcraft AGSF32PP/AGSF32PPM or Autolite APP764 (essentially the same plug). The Motorcraft plugs may be hard to come by in your area; the Autolites are perfect substitutes in that case. Don't forget to set the proper gap on your plugs (.054) even if the manufacturer claims they are pre-gapped.
Note that Bosch +4 or NGK Iridiums are hit-or-miss for many Duratec owners. Some people have reported great performance, while others have experience ignition problems. Other kinds of plugs, like Splitfires, are mostly snake oil and should be avoided altogether.
-Courtesy of Hetfield
**Double platinum plugs**
APP764 is the Autolite part number for Motorcraft AWSF32PP
They can be found at Autozone for $3.99 each."
http://www.contour.org/ubbthreads/showflat.php?Cat=&Board=v6maint&Number=977697&Forum=v6maint&Words=derk&Match=Entire%20Phrase&Searchpage=0&Limit=2500&Old=allposts&Main=977697&Search=true#Post977697
Last edited by Tony2005; 01/19/06 08:13 PM.
