DTC Malf 43 ESC Fail

10-16-2007, 02:16 PM

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DTC Malf 43 ESC Fail

Is this the knock sensor? It's a OBD1.

10-16-2007, 03:29 PM

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yes it is or it could also be the electronic spark control module which is located on the coil.

10-16-2007, 03:53 PM

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according to my research it looks like knock sensor is shorted open