Ford Mustang Forums banner

1 - 8 of 8 Posts

·
Registered
Joined
·
167 Posts
Discussion Starter · #1 ·
I converted my '87 GT to mass air earlier today and it won't run right at all it idles like it's cammed now like around 500 or 600 rpms and like has no throttle response now...Need help asap please!!!
 

·
Super Moderator
Joined
·
4,771 Posts
Did you disconnect the hose from the MAP sensor at the firewall? If so, did you remember to cap off that hose?
 

·
Registered
Joined
·
167 Posts
Discussion Starter · #3 ·
I did disconnect the hose but I never capped it off...good thinkin..
would that cause it to run that poorly?
 

·
Registered
Joined
·
167 Posts
Discussion Starter · #5 ·
I'll try that tomorrow first thing and let you know how things go...Thanks again!!
 

·
Registered
Joined
·
82 Posts
Unless I misread you don't cap the map sensor itself. Just the vacuum port on the intake manifold. You should of stayed with S/D unless you plan to install a big cam.
 

·
Registered
Joined
·
167 Posts
Discussion Starter · #7 ·
Yeah I'm gonna cap the hose coming out of the intake manifold and see what it does...I'm puttin an E303 in it
 

·
Registered
Joined
·
167 Posts
Discussion Starter · #8 ·
I found out what the problem was. When my friend moved the pins on the harness he put the main MAF wire into the wrong slot....haha It runs really strong now! Thanks alot guys!
 
1 - 8 of 8 Posts
Top