Looking to fix High idle problem.
got a 91 N/A 5sfe that idles at 2200 rpm till it gets good and warm. then only drops to 1100. its missing a part im not sure what its called but it mounts to the back driver side of the engine compartment. its small and has 2 lines connected to it. im assuming vaccum lines maybe im not sure theres also a small spring type valve or something on it as well as a plug for a sensor maybe. anyone know where to find that part also what could be causing high idles and things that i could check.
That sounds like the AC idle-up valve, although I am not familiar with the car that you have. If it is in fact that, then all you need to do is find the nipples that it used to connect to, and plug them. One of them might be on the throttle body.
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