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Hi, I just wanted to know if someone ever run into the situation where \oem spark plugs where not motorcraft brand.
I just replaced all six plugs in my car that has 100k and was beginning to run rough at times (no codes) and notice it had original cables. but to my surprise the plugs where autolites double platinum and showed the signs of a plug with 100k on it ( electrodes completely worn out). Do you think its possible that sometimes ford uses another brand on their engines? thank you.
 
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