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American Cars
Geo Metro

On 91 Geo Metro Convertible .Why do you have to run a hot wire to the coil to get it to run.I have replaced the ECU and that did not work?

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Wiki User
June 12, 2008 4:15AM

Does it have an ignition control module? That may be the cause. Or possibly a MAP sensor or a Crank position sensor or Cam position sensor. Check those first.