LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

94 OBD I Pulling Code # 29

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Old Sep 13, 2006 | 02:10 PM
  #1  
Onebadlt1's Avatar
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94 OBD I Pulling Code # 29

What does this code mean, i believe it says something about drive output shaft circuit? any help would be appreciated
Old Sep 13, 2006 | 02:34 PM
  #2  
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Re: 94 OBD I Pulling Code # 29

Code 29 Secondary Air Injection (AIR) pump circuit
Old Sep 13, 2006 | 04:22 PM
  #3  
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From: Little Rock, AR
Re: 94 OBD I Pulling Code # 29

Originally Posted by Onebadlt1
What does this code mean, i believe it says something about drive output shaft circuit? any help would be appreciated
Where in the world are you getting your code explanations from?
Click the "DTCs" link in my sig for codes applicable to f-bodies.
Old Sep 14, 2006 | 06:33 AM
  #4  
autoxr's Avatar
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From: Pittsburgh area
Re: 94 OBD I Pulling Code # 29

That's funny. My 94 just threw a code 29 the other day. Those guys are right. Secondary air injection system. Basicly its the smog pump system. The Haynes manual has a pretty good descripion of how it works and how to troubleshoot it. In my case it was nothing more than a blown fuse. All is well now.
Old Sep 14, 2006 | 06:51 AM
  #5  
Zeueses 97 RamAir's Avatar
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Re: 94 OBD I Pulling Code # 29

there was recall on that so i bet you have not changed thru the recall...
Old Sep 14, 2006 | 07:11 AM
  #6  
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Re: 94 OBD I Pulling Code # 29

To clarify, the recall was for 95-97s.
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