94 z28 cutting out when u rev in idle

Thread Tools
 
Search this Thread
 
  #1  
Old 12-27-2014 | 02:30 PM
hardcore's Avatar
Thread Starter
|
Newbie
Joined: Dec 2014
Posts: 22
From: Jacksonville Fla.
Default 94 z28 cutting out when u rev in idle

Need help new to site my z28 lt1 is cutting out for a sec when I rev gas r full throttle in park are gear as soon as u rev full throttle it cuts out r Boggs out done checked fuel psi and injectors new wires and plugs MSD opti don't no what it can be if I rev slow to 2500 rpm then stomp it will rev OK but from idle it cuts out for sec then stutters then picks up need all help I can get car was tuned by Solomon its a 383 306 cam Afr heads thank u
 

Last edited by hardcore; 12-28-2014 at 06:25 PM.
  #2  
Old 12-27-2014 | 03:56 PM
hardcore's Avatar
Thread Starter
|
Newbie
Joined: Dec 2014
Posts: 22
From: Jacksonville Fla.
Default

Is there someone that can help???
 
  #3  
Old 12-27-2014 | 05:54 PM
craby's Avatar
April 2011 ROTM
Joined: Mar 2009
Posts: 21,770
From: Tokeland, Washington
ROTM Winner's Club
Default

test your throttle position sensor. have a look at the maf make sure its not dirty. if it is clean with maf cleaner.
 
  #4  
Old 12-27-2014 | 05:58 PM
craby's Avatar
April 2011 ROTM
Joined: Mar 2009
Posts: 21,770
From: Tokeland, Washington
ROTM Winner's Club
Default

here is a link to set your tps similar to testing, you want to make sure voltage rises and lowers steady without jumping. https://camaroforums.com/forum/93-02...-sensor-70605/
 
  #5  
Old 12-27-2014 | 06:50 PM
hardcore's Avatar
Thread Starter
|
Newbie
Joined: Dec 2014
Posts: 22
From: Jacksonville Fla.
Default

Yeah thank u for info I changed tps already and drill slotted holes and set at .65 and changed and cleaned maf there was a post I seen on here awhile back in 2010 by toruqe is good he had same symptoms but it didn't say if he fixed it thanks
 
  #6  
Old 12-27-2014 | 09:19 PM
craby's Avatar
April 2011 ROTM
Joined: Mar 2009
Posts: 21,770
From: Tokeland, Washington
ROTM Winner's Club
Default

look for vacuum leak
 
  #7  
Old 12-27-2014 | 10:17 PM
hardcore's Avatar
Thread Starter
|
Newbie
Joined: Dec 2014
Posts: 22
From: Jacksonville Fla.
Default

I have every where man even changed intake gaskets
 
  #8  
Old 12-27-2014 | 10:22 PM
hardcore's Avatar
Thread Starter
|
Newbie
Joined: Dec 2014
Posts: 22
From: Jacksonville Fla.
Default

I thought I had internal vac leak so I replaced intake gaskets and sprayed crab cleaner everywhere!!
 
  #9  
Old 12-27-2014 | 10:35 PM
hardcore's Avatar
Thread Starter
|
Newbie
Joined: Dec 2014
Posts: 22
From: Jacksonville Fla.
Default

Do u no what might of happens to torque is good symptoms how he fixed it??? Just asking lol
 
  #10  
Old 12-28-2014 | 01:31 AM
z28pete's Avatar
Tech Droid
Joined: Aug 2005
Posts: 9,215
From: North East PA
Default

Have you checked the intake elbow from MAF to throttle valve for leaks or cracks. Was the PCM tuned to handle the 383?
 



All times are GMT -5. The time now is 09:22 AM.