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  #1  
Old 01-29-2011, 07:24 AM
blueranger1801 blueranger1801 is offline
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Default Help with sparkplugs....

So for the longest time my truck has been running lean ( giving me the bank 1 and bank 2 code) and i finally got the problem fixed. Now i heard that running lean for a long time could be bad for your plugs so i decided to check one of them out. I notice that the tip of the plug and around the electrode its pretty much all looks blackish...burnt? and the plug also smells like oil somewhat.....and on the threads...i notice like what appears to be some dark oil mixed a little bit of dirt.....

the plugs are only about 7 months old.....what could be going on here?
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  #2  
Old 01-29-2011, 07:33 AM
mcpink mcpink is offline
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Default Re: Help with sparkplugs....

Does it burn any oil?
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Old 01-29-2011, 07:37 AM
blueranger1801 blueranger1801 is offline
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Default Re: Help with sparkplugs....

I never noticed it burning oil....and now its a little harder for me to tell since i did a sea foaming treatment yesterday....theres a bunch of smoke coming out right now but im having doubts its from the seam foam as i allowed the truck to run for about an hour yesterday after the treatment....
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  #4  
Old 01-29-2011, 08:10 AM
bugz1racing bugz1racing is offline
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Default Re: Help with sparkplugs....

What kind of plugs are they?
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Old 01-29-2011, 10:23 AM
blueranger1801 blueranger1801 is offline
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Default Re: Help with sparkplugs....

They are auto lite iridium spark plugs
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  #6  
Old 01-29-2011, 10:39 AM
ben10 ben10 is offline
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Default Re: Help with sparkplugs....

more specs on the truck would help us, year, mileage, size, mods?
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  #7  
Old 01-29-2011, 10:40 AM
Clinton Clinton is offline
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Default Re: Help with sparkplugs....

http://www.fordrangerforum.com/site-...signature.html
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  #8  
Old 01-29-2011, 01:49 PM
blueranger1801 blueranger1801 is offline
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Default Re: Help with sparkplugs....

sorry lol. I see so many people make this mistake. Cant believe i did not think about it lol

Well its a 2003 XLT 3.0L flex 2wd. ext cab.
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  #9  
Old 01-29-2011, 01:52 PM
mcpink mcpink is offline
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Default Re: Help with sparkplugs....

Did you put the seafoam in through the brake booster vacuum line? If so, that's likely to foul the plugs.
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Old 01-29-2011, 01:59 PM
blueranger1801 blueranger1801 is offline
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Default Re: Help with sparkplugs....

what exactly does foul the plugs mean?.....

and yes...i did do it through the brake booster.......and iv done two sea foam treatments with the same plugs........the first time i did it was when i first installed the plugs...like 3 weeks after installing.......and the second one being now....

does "fouling" render them pretty much useless?...
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  #11  
Old 01-29-2011, 02:05 PM
mcpink mcpink is offline
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Default Re: Help with sparkplugs....

It's when oil, carbon, or other contaminants build up around the insulated part at the firing tip. It can prevent it from firing correctly or, if really bad, at all.
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  #12  
Old 01-29-2011, 02:23 PM
blueranger1801 blueranger1801 is offline
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Default Re: Help with sparkplugs....

oh...i see...so i guess should be replacing them then... here is another question....

Auto zone told me that my truck needs iridium spark plugs because its a flex model.

so i bought autolite iridium spark plugs. Now i went back to autozone and was about to get new ones but i wanted motorcraft cuz i learned that is the best for ford engines.

But when they look up motor craft they dont find iridium plugs...only platinum....so i held off to do some research but cant really find anything....would any of you happen to know anything about this?
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Old 01-30-2011, 11:23 AM
blueranger1801 blueranger1801 is offline
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Default Re: Help with sparkplugs....

OK so scratch my last post. I went ahead and bought the spark plugs this morning "Motorcraft platinum". Installed them and also installed new dura-last spark plug wires.

The truck seems to be running with a little bit more of a kick so i guess everything worked out for it =).

I had to replace the wires because one of them got stuck to the plug and when i pulled the cable it just broke.
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  #14  
Old 01-31-2011, 01:19 AM
pjschmitt pjschmitt is offline
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Default Re: Help with sparkplugs....

I have seen in my readings all over the internet and in my owner manual and service manual that the correct plug for my 3.0L V6 Flex fuel engine is Motorcraft agsf12pp. Those must havbe been discontinued and now they are agsf22pp. The PP suffix incates double platinum I guess. THe heat of the plug is what I cannot determine though. Should it be cold or a 3 or a 5 range?

Anyway, I will look up anything you might need to know about this engine since I got a manual.
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Old 01-31-2011, 06:44 AM
blueranger1801 blueranger1801 is offline
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Default Re: Help with sparkplugs....

Quote:
Originally Posted by pjschmitt View Post
I have seen in my readings all over the internet and in my owner manual and service manual that the correct plug for my 3.0L V6 Flex fuel engine is Motorcraft agsf12pp. Those must havbe been discontinued and now they are agsf22pp. The PP suffix incates double platinum I guess. THe heat of the plug is what I cannot determine though. Should it be cold or a 3 or a 5 range?

Anyway, I will look up anything you might need to know about this engine since I got a manual.
Ya motorcraft is usually the standard for ford's and as you read above i already installed them. These are indeed platinum but i dont know anything about "double" platinum. But Anywho. These are working good. Any info you can get would be awesome and much appreciated.
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