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idle

  1. Idle issue/throttle position

    General Tech
    I have an issue with the idle on my d15B1. I have read all the items related to the "hunting idle" with Honda. I thoroughly cleaned the IAC, checked vacuum leaks and so on. The problem lies in that after startup and the engine gets up to temp everything is fine. Once I hit the accelerator...
  2. y7 3 pin IAC not working with p28?

    Forced Induction
    So I put together my turbo d16y7 recently; - 00 d16y8 intake manifold with the back iacv port and the injector air hole things are plugged and not leaking - stock d16y7 throttle body with the 3 wire IACV - chipped p28 ECU So the car starts up quickly, idles at 1500RPM for a bit and then goes...
  3. What's up fam!

    New Member Introductions
    Previous thread never actually posted, so trying again... Hey guys, been browsing the forums for a few days trying to find an answer to my idle issues on my d16y7. I figured I would register an account and come say hi. In case anyone's interested about the idle issue it all started when I...
  4. Weird idle issue

    General Tech
    so i own a boosted D16z6 and recently my clutch line blew so i had to replace the hole system in order to finally get pressure to my clutch. Anyway, ive noticed that ever since i put all my couplers and piping back on (i had to take them off in order to have access to the clutch lines) my car...
  5. D16Y8 Surging Idle; Yes I've read forums and "burped" it

    New Member Introductions
    I've dealt with this surging idle ever since I did a head swap which leads me to believe that there is air in the coolant system. no codes at all Here is Everything that I've done: 1. I ran the car with the coolant cap off [jacked up the front end] and mashed the gas at about 2000 while the...
  6. Unique Idle problem on stock d16y8 auto

    General Tech
    Hey D-Series.org! I am new to these forums. I know there are thousands of threads about Idle problems but I think I have a somewhat unique problem on my hands. I want to try to figure it out with you guys first before I take it to a mechanic. So my car is all stock. Auto d16y8. On cold start...
  7. Loud hissing, slow acceleration, CEL with no codes

    Naturally Aspirated
    Hey guys! I'm new here so if I do anything wrong (like post in the wrong section) just let me know and I'll fix it. Anyway, I have somewhat of a Frankenstein build. Its a D16Z6 with D16A1 pistons, tuned on e85 with other supporting mods. It's actually someone else's build that I bought and have...
  8. Need Help with rough cold start (2000 Integra LS)

    General Tech
    My Integra (2000 auto LS 180,000 miles) is acting funny. It runs and drives fine, but on cold starts, it idles really rough for the first 15 seconds or so, like it is only firing on three cylinders, then it cleans up and idles smooth. I have been cleaning and replacing parts/sensors one by one...
  9. 99-00 EX FITV valve D16y8 a/t

    Engine Management
    I noticed on my civic that I have the 3-wire IACV on the bottom of my throttle body, then I have an FITV in my thermostat running from the intake into where the fuel injectors are on the IM. A long time ago the nipples on the FITV broke off, and since then I have blocked where the FITV once was...
  10. Voltage Back Up Learned Behaviors

    Engine Management
    Hello, What additional information does the ECU (OBD1) learn and store using the Voltage Back Up? Plug D1, gets 12V from under hood fusebox via C131 Does anyone know where to find more information? I have heard for "Emissions" but not much more. Thanks
  11. d16y7 to d16z6 swap

    General Tech
    First off i didn't plan to have head be a z6 so basically up until now I've done my whole thinking it was a y8, i should of checked the stamp on the head....my bad.. i didn't think of it until the dizzy didn't fit on P: my car is a 1996 civic dx so as of now heres what i have d16y7 block...
  12. People Keep Telling Me This is Really Important

    New Member Introductions
    I just recently got out of school and I finally have some time to work on my car! Previously, I had made a thread regarding suspension and was met with so much help that I was actually surprised. I mentioned my y7 to y8 intake manifold problems and I was told to make a thread about it so here...
  13. Y7/Z6 Mini Me. Idle Problems,Please Help.

    Engine Building
    Y7 Block (obd2a) -Stock Pistons,Rings -new y7 water pump -new y8 Metal Headgasket -New tensioner -New Oil Pan,Gasket -New Alternator Belt -New obd2 Alternator -New z6 Timing Belt -Aftmkt. Crank Pulley. P.s,A.c Delete Z6 Head (obd1) -Stock Cam -z6 intake mani w. new thermal gasket -New z6...
  14. 95 Civic, Idle Hunting/Surging many many problems...

    General Tech
    So I know this topic has been covered 100 times before but I cant find exactly what I am looking for. So my Civic idles at about 1500 which is too high. then it idle hunts from ill say 1400-1600. the tach does not move much but you can hear the difference. so like everyone else I cleaned my...
  15. D16Z6 High idle 1k - 1.5k (increases with temp)

    General Tech
    I have a D16Z6 in a 93 del sol with a p28 ecu, Before i got my connectors sorted out there were like 3 different 2 pin connectors on the back of the IM weren't in the right component. I got the IACV connected and now the idle is too high. When i start it up cold its around 1000rpm and it goes to...
  16. Cleaned IACV now idle surges 1000-2000 rpm, need help

    General Tech
    i cleaned my IACV over the weekend because of a rough idle, now when the car warms up the idle surges/bounces between 1000-2000rpm. i didn't have this problem before cleaning the IACV and i'm 100% certain that i put things back the way they were taken out. i've since then i've retraced my steps...
  17. another civic with an idle problem.

    Engine Management
    so ive researched again and again on this topic. its a DPFI D15B i have an idea that it's probably the TPS due to the fact that, i have gone through the original IACV, a used one and a brand new one now. since is a DPFI throttle body it doesnt have the FITV. here are some symptoms btw i dont...
  18. if anyone knows the answer.. PLEASE HELP!!

    Naturally Aspirated
    alright.. for the past few months now my 2000 civic dx with a d16y7 has been giving me the most bitch-made cold start problems ever. almost every time when I go to start my car In the morning it will kick over for about a half a second then die. I'll then have to unplug my iacv (which always...
  19. d16z6 with y8 tb, wont idle??

    General Tech
    What's up guys? I got 91 civic dpfi-mpfi conversion, obd0- obd1 jumper, p28 ecu. The motor is d16y7 with a z6 head, z6 mani, y8 tb. Since I swapped the tb to y8, the car wont start without throttle, than wont idle, if I give it gas than its stumbles and runs like s#!t....Any ideas?? I know the...
  20. HELP!!!!! With JDM D15b!!!! PLEASE!!!!

    New Member Introductions
    I am having serious problems with my D15b to the point where I just wanna give up on this car. Here is the run down. I have a 94 vx hatchback that i swapped a "JDM D15b" into. And at first the car didn't want to start but I finally got it to, then its didn't want to pass 4000rpm and i figured...
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