cold start smoke
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Joined: Jul 2004
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cold start smoke
my 99 7.3 has a been having a progressivly worse case of cold start smoke. it has 90000 miles only mod is 6637 and 4 inch turbo back, and dosen;t tow anything over 2000#s. i have changed out all 8 plugs and relay, battery is only 2 years old also. and now it starts without chugging no matter what the temp it just blue smokes when it is cold started. on cross country trips it uses about 1 quart of oil for 1500 miles. i run 10w30 in winter and 15w40 in summer. any ideas would be helpfull
