V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

HELP HELP

Thread Tools
 
Search this Thread
 
Old Sep 15, 2010 | 06:27 PM
  #1  
stangant's Avatar
stangant
Thread Starter
5th Gear Member
 
Joined: Jan 2007
Posts: 2,697
From: Titusville, Fl
Default HELP HELP

Ok so my car is back up and running but i have a problem, the rpm is at about 1200 and will sometimes spike up to 2500-3000. Any thoughts?
Old Sep 15, 2010 | 06:52 PM
  #2  
RyansQuick6's Avatar
RyansQuick6
Reverse Gear Member
 
Joined: Dec 2006
Posts: 8,130
From: Baton Rouge, LA
Default

leak somewhere in the intake system behind the MAF
Old Sep 15, 2010 | 06:56 PM
  #3  
Synyster06Gates's Avatar
Synyster06Gates
4th Gear Member
 
Joined: Oct 2008
Posts: 1,130
From: Texas
Default

+1 or a bad IAC, but I don't think it'll jump up that high. Has to be a vac leak.
Old Sep 15, 2010 | 07:34 PM
  #4  
stangant's Avatar
stangant
Thread Starter
5th Gear Member
 
Joined: Jan 2007
Posts: 2,697
From: Titusville, Fl
Default

Well i have a brand new iac on it but it could be bad so ima put an old one on and test it. I have gone threw all the hoses and can't find anything as of yet.
Old Sep 15, 2010 | 08:38 PM
  #5  
Synyster06Gates's Avatar
Synyster06Gates
4th Gear Member
 
Joined: Oct 2008
Posts: 1,130
From: Texas
Default

Maybe the gaskets are no good or got a bad seal?
Old Sep 15, 2010 | 08:43 PM
  #6  
stangant's Avatar
stangant
Thread Starter
5th Gear Member
 
Joined: Jan 2007
Posts: 2,697
From: Titusville, Fl
Default

yea i'm thinking of taking the manifold back off and redoing the gasket.




All times are GMT -5. The time now is 05:34 AM.