1993 Chevy Silverado code 43

Tiny
JASONNOBLE24
  • MEMBER
  • 1993 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 207,000 MILES
My truck shows code 43 but had no plug for the electronic spark control or the control its self on my motor I do belive its code 43 I ran it earlyer to day what do I need to do to fix this it just has a lil of a rough idel
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Thursday, February 25th, 2010 AT 11:08 PM

11 Replies

Tiny
RASMATAZ
  • MEMBER
It applies to the knock sensor its function is to retard the ignition timing when it senses detonation/pinging
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Thursday, February 25th, 2010 AT 11:14 PM
Tiny
JASONNOBLE24
  • MEMBER
So I should buy a new knock sensor
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Thursday, February 25th, 2010 AT 11:46 PM
Tiny
JASONNOBLE24
  • MEMBER
So I should get a new knock sensor or is there a way to bypass it
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Thursday, February 25th, 2010 AT 11:58 PM
Tiny
RASMATAZ
  • MEMBER
Do you have a check engine light and when was your last tune-up.

Try cleaning out the idle air control valve
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Friday, February 26th, 2010 AT 2:28 AM
Tiny
JASONNOBLE24
  • MEMBER
Yes the check engin light is on thats y I pulled codes on it it has new plugs wires dis cap and roter bug
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Friday, February 26th, 2010 AT 10:41 AM
Tiny
RASMATAZ
  • MEMBER
Investigate the knock sensor-See below item J


http://www.2carpros.com/forum/automotive_pictures/12900_ks_22.jpg

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Friday, February 26th, 2010 AT 2:02 PM
Tiny
JASONNOBLE24
  • MEMBER
Put a new knock sensor in it still has same code what else could it be
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Tuesday, March 2nd, 2010 AT 7:16 PM
Tiny
RASMATAZ
  • MEMBER
Test the wiring back to the computer if okay-think computer
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Friday, March 5th, 2010 AT 12:58 PM
Tiny
JASONNOBLE24
  • MEMBER
Got a new computer thought that would fix it but still came on what volt should it be getin
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Friday, March 5th, 2010 AT 11:24 PM
Tiny
RHALL77
  • MEMBER
Did you fix the problem
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Monday, March 8th, 2010 AT 9:04 AM
Tiny
JASONNOBLE24
  • MEMBER
No still doing it have anouther issue now to had oil chaged last week checked the other day and none on dip stick it doesnt leak and careies 30psi on oil preasure can any one help me out
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Tuesday, March 9th, 2010 AT 12:05 PM

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