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Old 07-15-2009, 07:01 PM   #3
rx4ur7
Rotary since 1972
 
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Join Date: Nov 2008
Location: Tucson
Posts: 231
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rx4ur7 is on a distinguished road
From my experience
White smoke is water.
Grey - water and fuel
grey blue water/ oil
Blue - oil
Black - fuel
Don't know what color seafoam is
I do not use the seafoam procedure myself. I am not fond of dumping a lot of stuff down these, so I do it the hard way. Clamp off fuel line and crank it without plugs. Always worked for me on all my client cars.

All you FD DIY'S should download the troubleshooting guide from the FSM. Pages F-192 to F-250 in the 93 manual. It will save you a lot of parts exchanging.

Last edited by rx4ur7; 07-16-2009 at 10:52 AM.
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