code DTC - 44 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


GMC/Chevrolet Truck/SUV When starting new posts, please specify YEAR, MAKE, MODEL, ENGINE type, and whatever modifications you have made.

Reply
 
 
 
Thread Tools Search this Thread
Old 08-13-2014, 03:34 AM   #1
Member
Posts like a V-Tak
Thread Starter
 
Join Date: Mar 2014
Posts: 45
Thanked 2 Times in 2 Posts
wes104 is on a distinguished road
Question code DTC - 44

i have a 1989 gmc r3500 with a 454 that giving me a code DTC - 44.i believe that means its the oxygen sensor and something about being lean.i know it aint the fuel pump because i checked fuel pressure.what else could give me that code or is it probably mean i need t o replace the o2 sensor
wes104 is offline   Reply With Quote
Old 08-13-2014, 03:34 AM   #2
Member
Posts like a V-Tak
Thread Starter
 
Join Date: Mar 2014
Posts: 45
Thanked 2 Times in 2 Posts
wes104 is on a distinguished road
Default

also just wondering is there any difence between the o2 sensors w ith the plugs or the one with the wire connectors
wes104 is offline   Reply With Quote
Old 08-13-2014, 09:09 AM   #3
Senior Member
True Car Nut
 
jwfirebird's Avatar
 
Join Date: Dec 2009
Location: western,ny state
Posts: 9,616
Thanked 563 Times in 481 Posts
jwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond repute
Default

If its the lean code, there is most likely a vacuum leak. Try the carb cleaner test
jwfirebird is offline   Reply With Quote
The Following 2 Users Say Thank You to jwfirebird For This Useful Post:
wes104 (08-14-2014), WilliamE (08-14-2014)
Old 08-13-2014, 06:31 PM   #4
Member
Posts like a V-Tak
Thread Starter
 
Join Date: Mar 2014
Posts: 45
Thanked 2 Times in 2 Posts
wes104 is on a distinguished road
Default

Quote:
Originally Posted by jwfirebird View Post
If its the lean code, there is most likely a vacuum leak. Try the carb cleaner test
ok will do.i just got under my truck and i found out i actually dont have any o2 sensors.is that why im getting that code
wes104 is offline   Reply With Quote
Old 08-14-2014, 12:04 AM   #5
Member
Posts like a V-Tak
Thread Starter
 
Join Date: Mar 2014
Posts: 45
Thanked 2 Times in 2 Posts
wes104 is on a distinguished road
Default

Quote:
Originally Posted by wes104 View Post
ok will do.i just got under my truck and i found out i actually dont have any o2 sensors.is that why im getting that code
well i found the o2 sensor it was in the back.and i found out my vac line to the egr valve had a hole in it.
wes104 is offline   Reply With Quote
Old 08-14-2014, 09:22 AM   #6
Senior Member
True Car Nut
 
jwfirebird's Avatar
 
Join Date: Dec 2009
Location: western,ny state
Posts: 9,616
Thanked 563 Times in 481 Posts
jwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond repute
Default

thanks for updating your fix
jwfirebird is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
2000 DTC Code Listing w/Descriptions Inside Foghorn 2000-2005 22 06-12-2010 05:01 PM
More findings-FIXED!! - 93 SSE: DTC (Code) 42 & DTC 18 93RedSled-SSE 1992-1999 45 04-21-2008 03:21 PM
1998 DTC Code Listing w/Descriptions Inside Foghorn 1992-1999 2 01-26-2004 04:34 PM
1999 DTC Code Listing w/Descriptions Inside Foghorn 1992-1999 0 01-24-2004 07:39 PM
1997 DTC Code Listing w/Descriptions Inside Foghorn 1992-1999 0 01-24-2004 07:32 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 12:05 AM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.