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Please help me troubleshoot my poor running 1989 740

posted by  Steve on  Sun Jan 20 13:27 CST 2002
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last visit: Fri Oct 24 07:16 CST 2014
[RELATED]

The loose clamp was adding airflow to a rich condition, giving a better idle. When you tightened it, the car ran rich again. Look for rich running problems, including fuel pressure regulator, engine coolant temperature sensor, leaking injector. See the FAQ for more information.






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