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Re: High idle b230f, out of ideas. 200 86

A friend of mine had a intermittant high problem. The cause was the connection to the ECU temperature sensor. When the connection is open, the computer thinks the car is cold & the car car idles much higher than normal. This sensor is a little hard to get to. Hidden back by the flame trap under the intake manifold. If you need test point & have an ohm meter, you can check the resistance at the ECU connector.







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