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How do I turn off the check engine light? 700 1991

posted by  Don Foster on  Wed Oct 29 02:53 CST 2003
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last visit: Sun Oct 5 11:53 CST 2014
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I agree with Kenric -- unplugging/plugging an AMM with the ignition IS risky.

You must have a turbo car. The '91 turbos used Bosch LH injection, the '91 non-turbo 740s used Bendix Rex-Regina, which has no AMM. (But R-R has a temperature sensor in a fitting located where the AMM goes and it looks like an AMM -- so can be misunderstood to be an AMM.)

The Brickboard FAQs describe how to reset your OBD light. I've used the directions successfully to reset the "check engine" light in my '91.
--
Don Foster (near Cape Cod, MA)






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New How do I turn off the check engine light? [700][1991]
posted by  D.P.  on Wed Oct 29 01:36 CST 2003 >


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