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

OBD Code Question

Thread Tools
 
Search this Thread
 
Old Sep 7, 2010 | 04:12 PM
  #1  
eball218's Avatar
Thread Starter
Registered User
 
Joined: Jun 2010
Posts: 33
From: NY
OBD Code Question

Ok so my car is trowing codes 26 and 27. I looked on shbox.com and have seen that these are

26 - Evaporative Emission (EVAP) canister purge solenoid valve circuit
27 - Exhaust Gas Recirculation (EGR) vacuum control signal solenoid valve circuit

My questions are this. First will these codes that Car to be put into "Limp Home Mode" and second where would i begin to look to fix these problems? Any help would be great. Thanks in advance.
Old Sep 7, 2010 | 04:27 PM
  #2  
n2ceptor's Avatar
Registered User
 
Joined: Sep 2002
Posts: 3,456
http://www.troublecodes.net/GM/94_57P.shtml
Old Sep 7, 2010 | 04:39 PM
  #3  
eball218's Avatar
Thread Starter
Registered User
 
Joined: Jun 2010
Posts: 33
From: NY
I have looked this up and i see that both 26 and 27 have to do with emissions parts. Which my car does not have. How would i program these out of the pcm i have the cable and a laptop.
Old Sep 7, 2010 | 05:07 PM
  #4  
shoebox's Avatar
Registered User
 
Joined: Dec 1969
Posts: 27,729
From: Little Rock, AR
You need to turn off the code reporting in the switch table. I'm curious why you asked for troubleshooting advice when you have the items removed.
Old Sep 7, 2010 | 05:37 PM
  #5  
eball218's Avatar
Thread Starter
Registered User
 
Joined: Jun 2010
Posts: 33
From: NY
Thanks Bought the car this way.
Old Sep 7, 2010 | 11:15 PM
  #6  
Injuneer's Avatar
Administrator
 
Joined: Nov 1998
Posts: 71,120
From: Hell was full so they sent me to NJ
Originally Posted by n2ceptor
While that code list is labeled "94", its clearly for a 93, not a 94. There are no "quad drivers" on a 94. 93 was last year.

You really need to use Shoebox's guide, which identifies the differences between 93 and 94/95:

http://shbox.com/1/Dtcs.htm
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
HectorM52
Parts For Sale
26
Jul 30, 2017 11:46 AM
30thZ4C
Wheels and Tires
2
Jan 29, 2015 06:03 PM
cmdeshon
LT1 Based Engine Tech
2
Jan 4, 2015 11:15 AM
cmdeshon
LT1 Based Engine Tech
16
Dec 27, 2014 10:06 AM
91Bird305
Midwest
15
Aug 5, 2002 01:39 PM




All times are GMT -5. The time now is 04:04 AM.