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BMW 5-Series

Why the engine on a BMW 528E 1985 seems to be flooded all the time and running rough?

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Answered 2009-09-27 22:57:02

Check coolant temperature sensor, or that it is not open circuit. Check wiring to it also as sometime they put a resistor in the wiring loom. (high resistance fools computer into thinking cold engine so mixture is made rich)

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