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lean ? 900 1990

posted by  DanR on  Fri Apr 8 07:14 CST 2005
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last visit: Thu Oct 23 15:25 CST 2014
[RELATED]

It has to be the coolant sensor at the back of the head. It is signaling to ECM that it is still cold, when it actually is warm, the mixture is remaing too rich for a warm engine.
That would be my next move.

Try this, count the shift points when it is warmed up. The transmission should not shift to 4th when cold, or lock the torque convertor. If all the shift points are not there, that would confirm the sensor is bad.

DanR 94 964 279,000 miles (45,000 on the new engine)
--
DanR






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