Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

wierd esc code 43 knock sensor problem

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Old Apr 30, 2004 | 05:43 PM
  #1  
lt1ownsall's Avatar
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From: san antonio
wierd esc code 43 knock sensor problem

obd-1 95 lt1
Im throwing the 43 code knock sensor
So I replace the knock sensor same error

I then go and plug the laptop in and start up pcmcomm, light goes away humm I tell it to reset the code. Code doesn’t come back. Then I turn off the laptop and the code comes back I load up pcmcomm light goes out (light = ses) Click disconnect from pcmcomm light come back


Felp me

Eddie
Old Apr 30, 2004 | 10:22 PM
  #2  
Injuneer's Avatar
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From: Hell was full so they sent me to NJ
Did you check the single wire from the PCM to the sensor? +5V at the pin in the plug, with the plug disconnected. Reattach the plug, and read from the pin to the block, should be +2.5V.
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