this truck is blowing out black smoke fouling all six spark plugs.has new heads/new inserts/new exaust/all new sensors.60lbs oil pressure.any advice would be helpful
1988 ford ranger 2.9 v6 automatic
Dec 16, 2005
Last reply: 20 years ago
2 Replies
Cylinder head temp sensor?
If it reads too low the computer thinks it has to richen the fuel/air mix.
Just guessing.
Spdloader
Could it be 180 degrees out of time?
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