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Pbalias 11-19-2003 02:47 PM

Funny idle on 92 400E
Hello everyone...

While sitting in traffic the other night:

When heater/ac was on and I came to a stop (with my foot on the brake pedal) the RPM bounces in the 500RPM range. On the low end of the bounce (maybe the 200-300 range), the lights dim and the car almost seems like it's going to die. The rpm bounce is like a 1 second interval.

With the heater/AC off there is no problem.

Anyone know where I should start looking?

Thanks in advance....PEter

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