Code 1639 - GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat

General GM Chat When starting new posts, please specify YEAR, MAKE, MODEL, ENGINE type, and whatever modifications you have made. Chat about all things GM (and related cars). Off-topic stuff should be in the Lounge, and all Model specific mechanical problems should be posted in the proper forum.
Sponsored by:
Sponsored by:

Code 1639

Reply

 
 
 
Old 09-05-2017, 03:47 PM
  #1  
Junior Member
Thread Starter
 
Join Date: Sep 2017
Posts: 1
Thanks: 0
Thanked 1 Time in 1 Post
Sunshine! is on a distinguished road
Default Code 1639

Have changed the a/c sensor and the fuel pressure sensor, tested the voltage to the sensors and it is working and correct. What do I do now?
2001 Pontiac, Grand AM SE
Sunshine! is offline  
Reply With Quote
The Following User Says Thank You to Sunshine! For This Useful Post:
billmill5050 (01-17-2018)
Old 09-06-2017, 11:11 PM
  #2  
Senior Member

True Car Nut
 
Tech II's Avatar
 
Join Date: Feb 2014
Location: Worcester, Ma.
Posts: 2,662
Thanked 996 Times in 760 Posts
Tech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond repute
Default

Did you follow the trouble tree to the letter? If you did, you would know what the next step is.....
Tech II is offline  
Reply With Quote
Old 01-17-2018, 05:21 PM
  #3  
Junior Member
Posts like a Ricer Type-R
 
Join Date: Jan 2018
Location: ga.
Posts: 10
Thanked 0 Times in 0 Posts
billmill5050 is on a distinguished road
Default

Originally Posted by Tech II View Post
Did you follow the trouble tree to the letter? If you did, you would know what the next step is.....
On My 2002 firebird the service center at the dealer said the flow chart didnt make any sence for P1639 code
billmill5050 is offline  
Reply With Quote
Old 01-17-2018, 05:23 PM
  #4  
Junior Member
Posts like a Ricer Type-R
 
Join Date: Jan 2018
Location: ga.
Posts: 10
Thanked 0 Times in 0 Posts
billmill5050 is on a distinguished road
Default

Originally Posted by Sunshine! View Post
Have changed the a/c sensor and the fuel pressure sensor, tested the voltage to the sensors and it is working and correct. What do I do now?
2001 Pontiac, Grand AM SE
did you get the P1639 code fixed? the dealer did the same thing
billmill5050 is offline  
Reply With Quote
 
 
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Kimberly
Buick
55
06-13-2012 09:00 PM
pkmach1
General GM Chat
8
04-21-2011 10:52 AM
labonnita
1987-1991
9
12-26-2009 10:58 PM
wug
2000-2005
18
08-24-2008 09:48 PM


Thread Tools
Search this Thread
Quick Reply: Code 1639


Contact Us Archive Advertising Cookie Policy Privacy Statement Terms of Service

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.