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.

MAF Conversion help

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Old Apr 29, 2010 | 11:51 PM
  #1  
88foxbod's Avatar
88foxbod
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Joined: May 2008
Posts: 12
Default MAF Conversion help

I bought a kit awhile back for my 88'GT with a motor out of a 90' that came with
A9L Computer
E9ZF-12A650-A2A

MAF Sensor
F1ZF-12B579-AA
AFH55-03B

I installed the wiring and took it to a specialty mustang shop to do some work, well they went ahead and threw in the computer and couldnt get the damn thing to start.

Do you see anything wrong with the computer and MAF sensor that could prevent it from starting? The vacuum to the intake was capped as well.
Its a 1988 Mustang GT hardtop with 19lbs injectors

Spliced into SD harness.
Oh and when they say splice into the lines, do they mean leave the existing line connected and add the MAF harness line into it so it would be a 3 way wire or cut the wire cap the harness end and have 1 wire from the computer to the MAF sensor? Would it help if I bought a harness outta a 89 - 93? would all the same connections be there? http://cgi.ebay.com/ebaymotors/89-93...Q5fAccessories

Last edited by 88foxbod; Apr 30, 2010 at 12:36 AM.
Old Apr 30, 2010 | 01:50 AM
  #2  
86GT 93LX's Avatar
86GT 93LX
5th Gear Member
 
Joined: Oct 2006
Posts: 2,424
Default

Originally Posted by 88foxbod
I bought a kit awhile back for my 88'GT with a motor out of a 90' that came with
A9L Computer
E9ZF-12A650-A2A

MAF Sensor
F1ZF-12B579-AA
AFH55-03B

I installed the wiring and took it to a specialty mustang shop to do some work, well they went ahead and threw in the computer and couldnt get the damn thing to start.

Do you see anything wrong with the computer and MAF sensor that could prevent it from starting? The vacuum to the intake was capped as well.
Its a 1988 Mustang GT hardtop with 19lbs injectors

Spliced into SD harness.
Oh and when they say splice into the lines, do they mean leave the existing line connected and add the MAF harness line into it so it would be a 3 way wire or cut the wire cap the harness end and have 1 wire from the computer to the MAF sensor? Would it help if I bought a harness outta a 89 - 93? would all the same connections be there? http://cgi.ebay.com/ebaymotors/89-93...Q5fAccessories
i convereted my 86 using this write up here, ive done several maf conversions on other peoples cars since sucessfully. follow it you cant lose
http://www.stangnet.com/2002/01/23/m...ir-conversion/
Old Apr 30, 2010 | 09:44 AM
  #3  
Sidewayz6.0's Avatar
Sidewayz6.0
6th Gear Member
 
Joined: Jan 2004
Posts: 10,639
From: IL
Default

Check the ground on the fender, it's a black tube, between the battery and the coil.
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