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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series. |
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08-04-2013, 08:08 PM | #1 |
Zilvia Junkie
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KAT help rough dying idle...urgent
UPDATED!!!!!
VIDEO LINKS PLEASE LOOK does have open downpipe http://www.youtube.com/watch?v=gglUXjL956U thought it was the battery but it doesnt always start some reason http://www.youtube.com/watch?v=ACIY3YC7Cvw some screech sound in this one...not sure http://www.youtube.com/watch?v=hEsl3HmZF5s just wont idle what does these symptoms show ok so i just installed my enthalpy ecu, nismo injectors 555cc, and moved my maf z32 to the intake side and wired it up (blow through) problem is when i started it up the idle was super rough and would die...if i rev it up it shakes the car i see the steering wheel move....but it wont idle if i dont give it gas it will just go up and down and die not sure if its timing or what...martin at enthalpy had me set my timing to 20 degrees im just vary confused i was expecting to not have such a bad idle like this can some of you experts and guys that know some things please help i showed a picture of my distributer to martin and he told me to rotate it clockwise a certain amount and i did not sure if thats why i just did what he said...please let me know thanks!!!!!! i really need this car going by this weekend coming up Last edited by bmar19; 08-05-2013 at 05:03 PM.. |
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08-04-2013, 08:22 PM | #2 |
Zilvia Junkie
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its idling way worse then when it had the stock maf, injectors and ecu...still idled rough before but thats cause the maf was on the turbo and now after i changed everything the car cant idle...
maybe changing the timing was a bad idea but i listened to martin not sure if its vacuum leak or what this sucks |
08-04-2013, 10:29 PM | #3 |
Zilvia Junkie
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any help guys? from my reserach i assume its running rich or maybe my timing is bad...i wired my maf and soldered it so i dont think its that...im so confused and idk what to do...btw im young so i feel stuck and im starting school and need this car thanks guys please give me ideas
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08-05-2013, 01:27 AM | #4 |
Zilvia Junkie
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Ok from my research I assume it's timing. Should I be at te stock 20 degreees or joule I retard the timing? Can I do this without a timing light? Anything I should do when I go adjust it tomorrow? Hopefully this is the only problem
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08-05-2013, 11:18 PM | #7 |
Zilvia Junkie
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What is the history of this vehicle? Did it have turbo and run fine or did you install injectors, ecu, and mafs to get this bad idle? In my own experiences, a turbo set up with stock injectors, mafs, and stock ecu will still idle and even drive well when kept out of hard driving.
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08-05-2013, 11:57 PM | #8 |
Zilvia Junkie
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Yes it drove fine before. I mean it would die letting off the has cause of the bov open and the idle was not perfect but wouldn't die. Idle want perfect cause the mad was literally on the turbo. So yeah it drove fine nice and easy before I put all this
Waxball you always find me. Lol with all your comments you must be a real piece of work with friends and or co workers. If you have any lol no thanks on the civic my dawg |
08-06-2013, 01:44 AM | #9 |
Zilvia Junkie
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If it was running fine, or at least better, then the only things you have adjusted after the fact are your problem. Go back and start by getting the car to idle how it used to. Make sure you have no vacuum leaks and your mafs is wired properly. Also make sure timing is at 20*.
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08-06-2013, 12:43 PM | #10 |
Zilvia Junkie
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would a vacuum leak cause this problem? martin said my injector could be bad..imma check that and also i need to gap the spark plugs cause they aren't gaped...not sure if that causes this big of a problem or not and im going to make sure my timing is a 20...all i did was twist the distributer...nothing else..thats what i was told to do by martin
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08-06-2013, 07:52 PM | #11 |
Zilvia FREAK!
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Did you put new orings on the Injectors when installed? Do you hear and high pitched noises at the fuel rail. Use a timing light and set timing. Gap plugs. Check maf.
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08-06-2013, 09:37 PM | #12 |
Zilvia Junkie
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waxball yes i installed new lower rings (the small one) the ones on top were perfect...i lubed them up with dielectric grease and put them in...havent heard noises...the car wont stay on long enough if i dont rev it...deff gonna gap the plugs just got my tool and gotta check the timing.....tomorrow im taking the fuel rail out and just turning to ignition to see if there is any leaks
any other suggestions??? i know my maf has 12V power i checked the wire |
08-07-2013, 06:49 PM | #13 |
Zilvia Junkie
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ok i fixed the timing but now it dies when i rev...upon start up, it goes up and down in rmps and then levels out at 1k.....but when i rev it bogs and dies....plus is the turbo supposed to get really hot after a 45 second idle? the exhaust part of the turbo...not sure if that has anything to do with my problem...im used to NA
heres a video of how it dies https://www.youtube.com/watch?v=NLkMUDLHc2I |
08-07-2013, 08:44 PM | #15 |
Post Whore!
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is your setup complete? Like everything connected minus the open down pipe of course? That turbo should be spinning more than that! You obviously have some leaks!
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LoverTechnologies "Half Broken Things!" |
08-08-2013, 01:59 PM | #19 |
Zilvia Junkie
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is it normal for my car to shut off when i plug in the maf? i start the car and the rpms go from 2k to 500 up and down then evens out..i unplugged the maf and it bogged down but then corrected itself....when i plugged the maf back in the engine turned off....any ideas? im rewiring today but is it just my ground i should do? its not grounded to the chassis...the orange and black wires are together so imma split them up and ground to chassis.....but can anyone explain why it shuts off when i plug it back in...
and my car still doesnt start like as if when i press the clutch the car doesnt sense it and wont turn over at all?? battery connections are good maybe the switch that senses im pressing the clutch is bad?? idk lol maybe my timing is still off? i assume i shouldnt have it turned clockwise all the way like in the pics???? maybe thats why i cant rev?? Last edited by bmar19; 09-15-2014 at 09:39 AM.. |
08-09-2013, 12:22 PM | #23 |
Leaky Injector
Join Date: Jul 2013
Location: Albuquerque, New Mexico
Age: 26
Posts: 63
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is that setup internal or external gate? looks external either way make sure you setup the wastegate properly and make sure the wastegate is not stuck open i mean your comp wheel is barely turning thats all i can think in regards to the turbo not spinning lol
as far as the rpm problems my car did the same thing (idling stupid, dying when given gas) so it may sound stupid simple but find someone with a maf you know for sure is good and try theirs. my car at one point would just turn over and not even fire up, and it was the maf.
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1989 built/corn fed ka-t hatch 519whp |
08-09-2013, 01:32 PM | #24 |
Zilvia Junkie
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I'm not spam posting. I'm posting on my own thread through out the different things I face instead of starting a new thread. How does my timing look? I posted pics of my dizzy at tdc compression. Am I auposed to haw it turned all the way to the right?
Also I ran my hands near all couplers and I didn't feel air. :/ so idk about any leaks. Ill look at my wastegate. Is there any links to how to fix or work on a waste gate?? I need to ground my maf orange wire to the chassis I see people do that and sometimes it fixes So a leak would not allow me to rev my engine? When I rev I see the turbo wheel spin but the car just dies..... It doesn't rev up but spins when I touch gas then falls on it's face and dies. Can't rev up at all |
08-10-2013, 03:59 PM | #25 |
Leaky Injector
Join Date: Jul 2013
Location: Albuquerque, New Mexico
Age: 26
Posts: 63
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you see how much that wheel is spinning at idle from the honda, thats how yours should spin at idle but yours is barely inching along. post pictures of exhaust side of turbo and wastegate
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1989 built/corn fed ka-t hatch 519whp |
08-10-2013, 04:42 PM | #27 |
Leaky Injector
Join Date: Jul 2013
Location: Albuquerque, New Mexico
Age: 26
Posts: 63
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your fine with the open dp, im just seeing whats up with your entire hotside because there would only be a couple reasons why your turbo isnt spinning at idle first and foremost lol. either your wastegate is stuck open/not setup right with vacumm lines or there is a gaping hole in your exhaust manifold or exhaust housing lol or for some reason your turbo doesnt have/isnt getting oil in it so it isnt lubed in the center section of the turbo keeping it from spinning smoothly but if it was the last idea i feel it would have been obvious to you haha
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1989 built/corn fed ka-t hatch 519whp |
08-10-2013, 04:53 PM | #28 |
Zilvia Junkie
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if you need anymore pics let me know!! i need to know whats up and what i gotta do lol...did my timing look ok? not sure if you saw those pics from the other day lol thanks suit
Last edited by bmar19; 09-15-2014 at 09:45 AM.. |
08-10-2013, 04:57 PM | #29 |
Zilvia Junkie
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the turbo spins freely when i move it...i mean i cant spin it and it keeps spining lol but i can move it easily no force
i mean it reved fine before i put in the injectors moved and wired the maf and ecu.....?? you could drive it and it was fine |
08-10-2013, 08:14 PM | #30 |
For the Enthalpy tune, you specified that you have a Z32 MAF correct? If you didn't, the car won't be getting enough fuel because Z32 MAF's output a lower voltage per CFM and would cause your ECU to think your car isn't pulling as much air. Also, I would agree with others that you have an exhaust leak somewhere, I would check your exhaust manifold gaskets. Good luck
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Gone to the darkside... E36 on Rezax/FN01RC combo |
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