5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Computer problem

Thread Tools
 
Search this Thread
 
Old Oct 25, 2006 | 09:41 PM
  #1  
Arno's Avatar
Arno
Thread Starter
2nd Gear Member
 
Joined: Oct 2006
Posts: 327
From:
Default Computer problem

Took my 89 5.0 to the shop to see if it was throwing any codes. They hooked it up and nothing.....they tried two different systems and still no response from my computer, as if it was not there. I bought the car recently and was runnig down the idle problem. Any ideas why my computer is not being recognized?
Old Oct 25, 2006 | 10:23 PM
  #2  
Joel5.0's Avatar
Joel5.0
5th Gear Member
 
Joined: Jan 2006
Posts: 3,926
From: Puerto Rico
Default RE: Computer problem

Possibilities:

- Bad ECM
- SIGRTN wire open
- Wiring problem (STO circuit)

You might want to check the problem description and how to check for a "No Codes" condition at http://fordfuelinjection.com/index.php?p=44 ....the results of the tests will give you the information to ID what's at fault. My 2¢.
Old Oct 25, 2006 | 10:31 PM
  #3  
grabbem88's Avatar
grabbem88
6th Gear Member
 
Joined: Dec 2003
Posts: 8,872
From: cape giradeau,mo
Default RE: Computer problem

well i had this problem also swapped ecms now everything works....go figure huh?
Old Oct 25, 2006 | 10:58 PM
  #4  
Arno's Avatar
Arno
Thread Starter
2nd Gear Member
 
Joined: Oct 2006
Posts: 327
From:
Default RE: Computer problem

This should do the trick, thanks for the link.


ORIGINAL: Joel5.0

Possibilities:

- Bad ECM
- SIGRTN wire open
- Wiring problem (STO circuit)

You might want to check the problem description and how to check for a "No Codes" condition at http://fordfuelinjection.com/index.php?p=44 ....the results of the tests will give you the information to ID what's at fault. My 2¢.
Old Oct 25, 2006 | 10:59 PM
  #5  
Arno's Avatar
Arno
Thread Starter
2nd Gear Member
 
Joined: Oct 2006
Posts: 327
From:
Default RE: Computer problem

Where did you get the replacement ECM?


ORIGINAL: grabbem88

well i had this problem also swapped ecms now everything works....go figure huh?
Old Oct 25, 2006 | 11:04 PM
  #6  
grabbem88's Avatar
grabbem88
6th Gear Member
 
Joined: Dec 2003
Posts: 8,872
From: cape giradeau,mo
Default RE: Computer problem

lol junk yards and swap meets.
Old Oct 26, 2006 | 12:22 AM
  #7  
aode08's Avatar
aode08
5th Gear Member
 
Joined: Oct 2005
Posts: 4,616
From: Ohio USA
Default RE: Computer problem

BAD ECM


Send it out for repair !

$49-60 repair, takes 5 days to get back.
Old Oct 26, 2006 | 12:24 AM
  #8  
grabbem88's Avatar
grabbem88
6th Gear Member
 
Joined: Dec 2003
Posts: 8,872
From: cape giradeau,mo
Default RE: Computer problem

where the hell is this at?....ford only part,and yes they still control the part number i have asked many ford shops
Old Oct 26, 2006 | 01:15 AM
  #9  
Arno's Avatar
Arno
Thread Starter
2nd Gear Member
 
Joined: Oct 2006
Posts: 327
From:
Default RE: Computer problem

Do I have to match the same year, or can I use any 5.0 Fox?


Who does the repair?
Old Oct 26, 2006 | 01:20 AM
  #10  
grabbem88's Avatar
grabbem88
6th Gear Member
 
Joined: Dec 2003
Posts: 8,872
From: cape giradeau,mo
Default RE: Computer problem

if auto any auto mass air car...manual any auto/man mass air car...89-93....88 cali...no 94/95's



All times are GMT -5. The time now is 09:11 PM.