94 z28 cutting out when u rev in idle

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  #1  
Old 12-27-2014, 01:30 PM
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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 05:25 PM.
  #2  
Old 12-27-2014, 02:56 PM
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Is there someone that can help???
 
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Old 12-27-2014, 04:54 PM
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test your throttle position sensor. have a look at the maf make sure its not dirty. if it is clean with maf cleaner.
 
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Old 12-27-2014, 04:58 PM
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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/
 
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Old 12-27-2014, 05:50 PM
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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
 
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Old 12-27-2014, 08:19 PM
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look for vacuum leak
 
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Old 12-27-2014, 09:17 PM
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I have every where man even changed intake gaskets
 
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Old 12-27-2014, 09:22 PM
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I thought I had internal vac leak so I replaced intake gaskets and sprayed crab cleaner everywhere!!
 
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Old 12-27-2014, 09:35 PM
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Do u no what might of happens to torque is good symptoms how he fixed it??? Just asking lol
 
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Old 12-28-2014, 12:31 AM
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Have you checked the intake elbow from MAF to throttle valve for leaks or cracks. Was the PCM tuned to handle the 383?
 


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