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Re: M5 running rich (archive)
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Posted by Danial Ma on March 23, 2001 at 15:12:27:

In Reply to: M5 running rich posted by Murray Cotter on March 23, 2001 at 13:36:05:

Check your coolant temperature sensor and it's connector. It's located in the coolant header located above the exhaust header. You will find two sensors, one is a two-prong (spade-type connectors) sensor which sends the temperature signal to the dash gauge, I believe. The second, which is closer to the firewall, is the sensor in question. If the sensor or it's connector is bad, the DME will thinks the engine is cold, causing a warm engine to be flooded. Check out a Bosch Injection handbook for the Ohm values at certain coolant temperatures. The Bentley manual may have them as well.

Good luck!

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