Bad wired EGR to ECM? - Third Generation F-Body Message Boards

DFI and ECM Discuss all aspects of DFI (Digital Fuel Injection), ECMs (Electronic Control Module), scanners, and diagnostic equipment. Fine tune your Third Gen computer system for top performance.

Bad wired EGR to ECM?

Reply

Old 11-08-2018, 01:39 PM
  #1  
Junior Member
Thread Starter
 
Firebird2011's Avatar
 
Join Date: May 2016
Location: Rome, Italy
Posts: 57
Bad wired EGR to ECM?





Hi guys, I found this thing around the EGR zone. The dark blue wire grounded to the
firewall?

Furthermore, I found this brown wire soldered to the pink/black one that goes to EGR connector. Can you tell me what kind of functions do that two wires? I just want to restore the original wiring messed up by the old owner...

Itís a 1990 Firebird, 3.1 Lh0

Thank you guys!
Firebird2011 is offline  
Reply With Quote
Old 11-08-2018, 01:51 PM
  #2  
Sponsor
iTrader: (80)
 
Tuned Performance's Avatar
 
Join Date: Dec 2004
Location: Mile High Country !!!
Posts: 10,777
Re: Bad wired EGR to ECM?

Pink/blk is power to the ccp/ air and egr solenoid.
http://austinthirdgen.org/mkportal/m...ine_wiring.gif
Tuned Performance is offline  
Reply With Quote
Old 11-08-2018, 01:53 PM
  #3  
Sponsor
iTrader: (80)
 
Tuned Performance's Avatar
 
Join Date: Dec 2004
Location: Mile High Country !!!
Posts: 10,777
Re: Bad wired EGR to ECM?

Dark blue might be the fan pressure switch. Does the fan run with the key on ?
Tuned Performance is offline  
Reply With Quote
Old 11-08-2018, 06:00 PM
  #4  
Junior Member
Thread Starter
 
Firebird2011's Avatar
 
Join Date: May 2016
Location: Rome, Italy
Posts: 57
Re: Bad wired EGR to ECM?

Thanks for your reply, the fan stays off with key on. The EGR seems always to be off too, in every condition, but I hear a clicking noise from it
Firebird2011 is offline  
Reply With Quote
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Darkshot
DIY PROM
12
03-07-2007 10:28 PM
GTA91
TPI
6
04-11-2002 05:23 PM
QUICK305
Tech / General Engine
13
07-23-2000 04:06 PM


Thread Tools
Search this Thread
Quick Reply: Bad wired EGR to ECM?


Advertising
Featured Sponsors
Vendor Directory

Contact Us 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.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: