can anyone help me with this idle problem

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94lsvtecdelsol

Junior Member
i have an idle problem, when i start the car it starts to idle up and down and then the engine dies. i have everything hooked up, I have a 94 Del Sol with an b18a bottom end, Gsr head
using stock gsr intake manifold with a p28 ecu. I was wondering if i hooked up any vaccum lines incorrect or something when i had my b16 head on there the car idled fine.

thanks for anyones help with my problem
 
how bad is the idle, on a built/swapper LS/vtec idles are normally weird, but stay above teh point where u stall. let us know what it rises and drops to and i can be of more help.
 
do you have an aftermarket throttle body i bet you are getting the wrong voltage with your tps sensor
 
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