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Need some help w/ the check engine light 200 1993

posted by  pageda on  Sun Apr 18 05:23 CST 2010
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last visit: Fri Oct 24 13:18 CST 2014
[RELATED]

I see you found a 123 code, for starters remove the fuse to reset the ECU and see if it comes back. If it does make sure the connection to the sensor has a good tight fit. You can check it with an ohm meter at the ECU to see if the sensor is OK. Check out the 700/900 FAQ's.

It is a good idea to check and know the motor and trans mounts are in good shape. Sometimes the movement of the engine with bad motor mounts can cause problems with the coil wire.

Dan






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