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What and where is ESC in

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Old 10-22-2008, 11:27 PM
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What and where is ESC in

my 1991 3.1 v6
Old 10-23-2008, 11:04 AM
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Re: What and where is ESC in

ESC: Electronic Spark Control

It is the knock detection system. Sensor on passenger side of engine along pan rail. FIlter inside of ECM on the MEMCAL. Picture of MEMCAL up top in the sticky's.

Causes a code 43 when bad.

RBob.
Old 10-23-2008, 05:12 PM
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Re: What and where is ESC in

Thank you very much for the help, George.
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