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Discussion Starter #1
I have a 92 hatch with a d15b7 with a funny idle jumps between 450 to 1200 and misfire some times it drop too 450 and stays with a rough idle has good pick up and no cel just looking for clean idle for ac to be put back on no mods all stock if you know of a thread that talks about same issues and a fix plz post thank you
 

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08 H-D Ultra Classic
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987 Posts
Have you checked or cleaned the T-Body and IACV.
Thats where I would start with a low or jumpy idle.
If your getting random misfires have you pulled the plugs and wire to inspect them?
Have you taken the cap off of the dizzy to make sure there isn't moisture or a crack?

Double check your grounds for good measure also.
 

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Never finishes (TWSS)
91 Civic SI hb
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1,880 Posts
The above info is very good and I'll second all of it. Also check your coolant levels too If it's more of a haunting.
 

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Discussion Starter #4
Ok so that's what's funny about it I have a new fuel pump, screen, filter new cap router and plug and plug wires new iac clean the throttle body I also have a new fuel pressure regulator and the distributor also has a new coil and ignitor
 
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