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-   -   d16z6 bogging (https://www.civicforumz.com/engine-54/d16z6-bogging-156423/)

D.T.P 14-Jun-2009 07:41 AM

d16z6 bogging
 
hey guys, got another problem. its been a while lol.
got a stock d16z6 which bogs quite hard after sitting for 4+ hours or so. it sputters as i accelerate, and the more gas i press the more it does it...until the car worms up and i drive it for a bit. i changed the plugs/wires/cap/rotar/fuel filter. also this morning as i was coming home from work, the ramp to 400N from 401E was empty so i pushed it a little and i felt it chock a little. before/after the ramp it was fine. so it seems like it happens on turns. Fuel Pump? i thought mine died last week but after the car sat for a bit it started up and was fine. this bogging has been going on for a very long time, but it got progresivly worst. and now im getting very annoyed of it.
also i have a chip, but im not sure wth is on it...and previous owner said its not ebay chip [which i doubt]
so any help would be greatly appreciated.
also if ^^ does not make sense ill rephrase it once i get some sleep lol.

copasetic 14-Jun-2009 08:13 AM

O2 sensor.. Sounds like it to me.. if im wrong you wont hate me because a new o2 sensor will quickly save you the money in gas that you spent on the sensor..

Clean95d16 14-Jun-2009 11:37 AM

try a stock p28 as well if u can get ur hands on one, unless the chips elsewhere, but it does sound like an O2 as well...

k_r_a_c_k_e_r 14-Jun-2009 11:47 AM

PM Chris_V2 or Zeeman.. My car was doing the same and they figured it out for me!

Clean95d16 14-Jun-2009 11:48 AM

Zee would know whats up.

D.T.P 14-Jun-2009 12:45 PM

Did they tell you what was wrong? I'm so tight with schedule for work and other things, I do not have time to bring it to people. Unless I really can't figure it out.
Well I was thinking o2 and I'm about to buy an ngk one maybe today or tomorrow, but the thing this morning on the ramp tripped me out. Since it was fine before the turning ramp and as I was stepping on the gas around a ramp it sputtered a little.
Also the reason I mentioned the chip, Is because as far as I know if you go 70%+ on throttle, it goes in open loop and does not take the o2 reading. I'm not 100% sure on this one.
Well anyways, I'm gonna try to get my hands on that o2 today, and hope for the best.
Any other tips would be appreciated.

Originally Posted by k_r_a_c_k_e_r (Post 1406619)
PM Chris_V2 or Zeeman.. My car was doing the same and they figured it out for me!


k_r_a_c_k_e_r 14-Jun-2009 12:50 PM

Not to sure all the things they did, they'll chime in soon..

T-MacK 14-Jun-2009 01:35 PM

Sounds like your O2. If it is try and get a used one from the wreckers and if you don't no what "chip" is in your ecu, I would find out what was going on with it. Those B:S e-gay chips have a tedency to make your car run really lean and do more damage then good.

D.T.P 14-Jun-2009 02:28 PM

well thx for advice, i got my brother to go buy me an o2 since i dont even have time for that. hopefully that fixes the problem.
also with a chip, does it flash the ecu or can i pull it out and it will run of stock software?

Clean95d16 14-Jun-2009 05:17 PM

depends on how they did it, alot of guys flash apparently...., but if its an egay, its probably some rig lol., got any friends with a stock ecu just try it out for a few... cant hurt.

Clean95d16 14-Jun-2009 05:17 PM

PS : if u need another chip or any ecu problem, msg up jdm_187


Quote:
Originally Posted by Clean95d16
what chip can u do
what ever chip u want d16a d16q d18z6k1,b20 turbo, anything u want

chris_v2 14-Jun-2009 06:33 PM

Could be numerous things. Most likely it's a sensor out-of-range.

And for all those people saying it's an o2 sensor, it's not. When a vehicle is cold it's in open loop, meaning no oxygen sensor parameter is being read by the PCM. If it only bogged when it was warm, then I would ask you to check out your o2's, however this is not the case.

The cause could be anything from a bad ECU/chip, poor ground, ECT sensor, etc. If you want, swing it by the shop I'll look at it.

D.T.P 14-Jun-2009 08:03 PM

Yeah that's what I thought. And doesn't it go to open loop when more than 70% throttle down? Well ill check the grounds tomorrow, if no luck, ill pm you and I could probably come by on Tuesday. But ill let you know via pm.

chris_v2 14-Jun-2009 08:10 PM

Yeah, check the grounds, particularly the ECU ground on the thermostat. And it's 80% I believe.

Doesn't hurt to do a quick check for any DTC's as well.

D.T.P 15-Jun-2009 03:45 PM

checked the grounds, they were all in OK condition. took most of em off, sanded the connectors and sprayed them with "dry'n go". removed the back up/ecu fuses and removed the negative terminal of the battery. changed the o2 sensor [since i just got 1 anyways] and still the same. i pulled the main relay apart and the circuit board seemed sticky as if somebody spilled coffee on it lol.
any other suggestions?

jdm ek4 15-Jun-2009 04:18 PM

I had the same problem recently but i couldnt figure it out and my valve went on me. I had replaced the O2 sensor and cat (cause of emissions) and than i replaced the cap and rotor, plugs wires but the problem was still there. I did have a problem with the dizzy where inside of the cap was covered in red dust from a bearing seizing but i never had a chance to get to that problem.

Could be your dizzy maybe or timing is off?

D.T.P 15-Jun-2009 04:31 PM

ive been contemplating to change the dizzy for a while now. since when i changed the rotar, it wasnt secured on the shaft with a screw but was just stuck..and i broke some plastic cover around it.
btw would y8 dizzy fit on z6? just wanna double check.

chris_v2 15-Jun-2009 05:10 PM

Martin, you can keep on throwing parts at it, or get a proper diagnosis.

It's most likely a sensor that's acting up. If you can get it to act up during idle, I'm 99% sure I'd be able to figure out what the problem is. The only issue with diagnosing these problems, is sometimes it doesn't act up when you try and diagnose it.

D.T.P 15-Jun-2009 05:17 PM

lol thats the thing. after ill drive it down to a shop, it wont be there. unless i leave the car over night...which i cannot do because i need it daily. hopefully i can make time on friday..ill try to swing by the shop chris. srr empty promisses but i work a lot and have just few days off and always too many things to do.

chris_v2 15-Jun-2009 05:35 PM

Yeah, if it only happens when it's cold, it's going to be tough to diagnose. Have u tried scaning it?

D.T.P 15-Jun-2009 07:10 PM

Well I jumped the wires with a clip, and cel stayed on. I read somewhere that if it stays on, that means there is an ecu error. Not sure...guess ill double check ecu ground later today.

ol Dusty 15-Jun-2009 08:26 PM

I don't know how often you make it out to richmond hill martin but I'm working at RH Honda now, not that shitty chop shop in rexdale anymore. gimmie a shout and maybe we can meet up somewhere, I'm off tomorrow and this weekend, at the very least we can put my ecu into your car and try that. I'm not a betting man but I bet your problem is fuel delivery and how often do you hear about guys saying there injectors crapped out? the relay your talking about I'd like to look at too, cuz it's possible that when it heats up the expansion is keeping something loose together but when it's cold and you do something like say take an on-ramp with some spirit, it cuts out for a sec, your car sputters and then next thing you know your here asking bout your car again

D.T.P 15-Jun-2009 10:27 PM

Yo Dustin, ill let you. I live in maple now, so its close to me. Ill give you a call for sure.

EKproject 15-Jun-2009 10:34 PM

i would say start with o2 sensor..and hope its not yourt cat plugged..thats what happened with mine...my cat plugged up and would bog down..would get bit better as it got warm..smthn u can try is take out your o2 sensor that is pre-cat..it will be VERY loud..but take for a quick rip..if it seems like you have more power..then it is your cat

D.T.P 16-Jun-2009 12:43 AM

^^
Um I have changed the o2 as I stated and my cat is good.

FPMotorsports 16-Jun-2009 04:03 AM

I w

FPMotorsports 16-Jun-2009 04:05 AM

I would take car to Zeeman @ Tag.
He will be able to figure out the issue, if it happens in that time span that is.
I would sell your chipped ecu and put in a stock p28 ecu...or c zeeman for a stock p28 program. Then if it still acts up I would look into your dizzy.

seanv98 16-Jun-2009 08:38 AM

^^ I agree, however, you might need to take it there early and then let the car sit for a while to cool down so you can replicate the problem.

chris_v2 16-Jun-2009 05:50 PM

Have you tried doing a cylinder balance test while the engine is acting up Martin?

Do this by unplugging one injector at a time, the engine should bog down or stall everytime you unplug an injector. If nothing happens when you unplug an injector, then you have isolated a dead cylinder.

chris_v2 16-Jun-2009 05:50 PM

Oh, or do what every TCC member says and replace the oxygen sensor LOL.

D.T.P 16-Jun-2009 08:26 PM

So I replaced the o2 sensor and it did not help the bogging other than the advantage in higher mpg lol.
I pulled plug wires one by one, and every time it died out except number 4 it didn't die down as much, but I did it again after and it was equivalent like all other ones, not sure. Also I noticed that the cap for dizzy cracked where one bolt goes through. I pulled it off and I had some dirt inside of it. Not on contacts but on the side, on the wall. So ill get another one, I guess it could be moisture.

chris_v2 16-Jun-2009 10:48 PM

That is true. It could be moisture build-up from when it sits.

Is it worse on rainy mornings?

D.T.P 17-Jun-2009 12:01 AM

well i fail at life and should write this at FML lol
i went to part source got a cap...decided to change it in the parking lot and as i was pulling #4 wire, the connector broke of the wire...WTF?! so now i have a brand new cap...and brand new bosch wires and it still bogs. so what has been changed:
-plugs/wires
-cap/rotar
-fuel filter
-o2 sensor
btw chris_v2 you have a pm

D.T.P 17-Jun-2009 09:04 PM

Btw failed to mention one thing which may be related. Once the bogging started, which was very minor and unnoticible, the tach started lagging and jumping around a little. Now that the bogging has gotten much worst, the tach needle is all over the place under heavier acceleration. Although when decelerating, it stays smooth.
Not sure if this could be related, to some sensor problem, or just a coincidence. Since when I don't feel any hesitation from the car, the tach is still messed.

zeeman 18-Jun-2009 02:13 AM

i'm gunna say dizzy

usually when the dizzy starts to go, the tach does weird ****. I've seen dizzys cause the tach to not work at all, replace the dizzy and bam the tach works again.

Take those bosch wires OFF your honda and get some NGK....nothing bosch belongs on a honda IMO.

D.T.P 18-Jun-2009 05:53 AM

^^ yeah I'm gonna order some ngk's but they had bosch and champion. No ngk in stock. Also to prove that bosch is crap, as I was driving down a street, one wire of cap popped off and caused me to run on 3 cyls. My brother back in the day had bosch wires for a bit, and they would come off every 10 minutes lol. So to everybody who may read this, stay away from them.
Well now about the dizzy, I will be picking one up on Friday, and hopefully its gonna fix the problem. Just had a quick question about its replacement, do I have to get timing done after replacing it? Or will the rotor stay in the same position? Because its just couple of bolts[3] holding it in place correct? I wouldn't mind saving couple of bucks and do it myself. If timing must be done, how close can I get it without actually using a timing gun so I could drive it down to a shop and get the timing done?
Thanks again everybody.

seanv98 18-Jun-2009 08:35 AM

Bring the motor to TDC before you remove it, and take note of how things look and where they are lined up to. The dizzy only goes on one way, so as long as you haven't touched the crank you should be pretty close. When the motor is at TDC the rotor will be pointing at the number one plug wire connecter. Line everything back up on the new one, and you should be pretty close. Your timing will have to checked for sure though. Also if the new dizzy doesn't come with one, make sure you get a new o-ring, and when you take the old one out, have a rag handy as some oil may come out.

ol Dusty 18-Jun-2009 08:57 AM

hey martin I cam't help but notice a couple double posts in here... including yours. so or you just gonna fall on your sword or does a stick man have to kick your skull off?

I think I have a dizzy but it's on a motor I have stored in oakville, not very convient for either of us. I mentioned AJ but I bet Cookstowns got several and it's allways fun to go hunting up there at 89 and 400 to see whats new in the dead honda section they have. I almost impaled myself there once but I still like to go there for things like dizzy's

D.T.P 18-Jun-2009 04:09 PM

Well Dustin I'm not sure what you mean in first paragraph. And also I talked to Steve and he has a dizzy for me. Now my concern is, do I have to do timing after I replace the dizzy or will it only go back on 1 way and remain at same timing position.

seanv98 18-Jun-2009 04:16 PM

It only goes on one way, but you should still check the timing.


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