code 43. where do i start? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 12-24-2010, 03:18 PM   #1
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Default code 43. where do i start?

engine light on,abnormal idle,sluggish acceleration,code 43,where do i start?christmas eve of all days.when she wants attention ,she really wants attention.please help.
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Old 12-24-2010, 03:23 PM   #2
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what year and trim are we dealing with here?

the gearheads will chime in but I think that 43 has something to do with knock sensor or spark control..
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Old 12-24-2010, 03:25 PM   #3
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43 knock sensor
or electronic spark control circuit fault

Start looking over your ignition system.
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Old 12-24-2010, 03:29 PM   #4
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92 ssei
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Old 12-24-2010, 03:47 PM   #5
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and all appears fine.....visually.
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Old 12-24-2010, 04:59 PM   #6
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seriously, where do i start?
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Old 12-24-2010, 05:04 PM   #7
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Check the knock sensor plug, as well as the Ignition control module. These are the two items mentioned in the DTC code.
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Old 12-30-2010, 02:02 AM   #8
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took it to gm.yep,icm is bad.bought a cheap one when i first got my bonnie.it took a crap i guess.coulnt afford delco back then.my mistake.thanks for all your help guys.
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