Idling at 200 rpm
i took the supercharger off my d series a couple weeks ago and it ran fine with putting all stock components back on. then i decided put on an Edelbrock performer x intake manifold along with a dc 4-1 header and test pipe. now im running at about 200 rpm when the engine is warm and in both park and drive. i tried setting the idle speed screw to 650 with the iac unplugged to reset the idle speed but when i do it makes the engine idle surge up and down when the iac is plugged back in. so i moved it back to where it was in the beginning... anyone have this problem? do i just need to adjust the timing a few degrees?
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What year/engine Civic? For some engines, you should not unplug the IACV when setting the idle speed.
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its a 93 z6
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1 Attachment(s)
Yes, for the z6, you disconnect the IACV to set the idle; however, you set it to 420 rpm using a good tachometer:
Attachment 24366 If you still have an idle problem after following this procedure, then try cleaning the IACV (see forum DIY). |
ill try this. i already cleaned the IACV a couple weeks ago when i put the IM on. are you sure that its supposed to be 420. thats for a d15z1, i have a jdm d16z6
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Originally Posted by vtecaddict
(Post 597988)
are you sure that its supposed to be 420. thats for a d15z1, i have a jdm d16z6
Also inspect your spark plugs. If burned or worn, replace them. |
alright. i guess i wasnt paying attention... im pulling my car in the garage now. so ill know in about 30 min or so if it works...
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the stock tach isnt accurate that low of an rpm
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Yeah, you need to hook up a good tach to the tach plug under the hood. My Civics are OBDII, so I instead use my Actron scan tool for this purpose.
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