Need Help Quick w Code
03-26-2007, 02:12 PM
#1
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Need Help Quick w Code Running Data master on my 95 T/A OBD 1. Have MALF 43 ECS Failed. I thought this code meant bad knock sensor, changed it and there is no change. What does this code mean? Do I have to disconnect the battery or pull the PCM fuse for this to reset?
Last edited by mack; 03-26-2007 at 02:19 PM.
03-26-2007, 02:56 PM
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Originally Posted by KTM
To my knowledge, yes. You have to re-boot to get rid of a code...if it comes back - then you still have the problem.
03-26-2007, 03:36 PM
#4
Originally Posted by mack
Running Data master on my 95 T/A OBD 1. Have MALF 43 ECS Failed. I thought this code meant bad knock sensor, changed it and there is no change. What does this code mean? Do I have to disconnect the battery or pull the PCM fuse for this to reset?
03-26-2007, 10:41 PM
#5
Originally Posted by Ed Wright
You don't (shouldn't) just change parts due to a DTC. That code means the PCM sees something in that circuit out of spec. The connector at the knock sensor causes a lot of problems in that circuit. Could be a wire, the connector dirty or loose, the ESC module in the PCM, the PCM, etc. There are diagnostic procedured in the shop manuals for diagnosing these codes.
