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Old 09-30-2009, 10:50 AM   #1
mark's68
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Join Date: Aug 2007
Location: greenville,ms.
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trouble codes

I've got a 93 s10 that is giving the code # 43 electronic spark control. The book said the ESC retard singal has been on for to long or the system has failed a functional check. What can be done to fix this problem. I've been noticing that the engine sounds like the valves are rattling under part throttle- full throttle. Thanks for any help.
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Old 10-01-2009, 09:48 PM   #2
mark's68
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Re: trouble codes

it was the knock sensor
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Old 10-05-2009, 07:16 AM   #3
68C15
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Re: trouble codes

you DID torque it to 15 ft.lbs., right?
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