Draiga1988

I am haveing an idle problem I have a 93 delsol with a newly swapped 5 spd 97 D16y7 engine in it. Now when i turn the car on an put it in nuetral the idle fluxuates it will go from 1500rpm to 2500-3000rpm then back down an it will just continually do that untill i start to drive but while it is idleing or while i have the clutch down at a stop light or sign it fluxs can anyone help me with this problem.

Former User

Is the D16Y7 stock with stock head, IM, and TB? Any CEL codes?

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HondaPartsHero

Yeah did you reuse your stock intake and exhaust manifolds?

Draiga1988

i used the intake mani an exhaust mani off the d15.

Former User

Check for a disconnected vacuum hose and a leaking throttle body or intake manifold gasket.