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Help Please, 94, jdm h22a bogging and Code 1....

 
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Old 01-17-2012, 06:25 PM
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Help Please, 94, jdm h22a bogging and Code 1....

Hi I have a 1994 h22a with a jdm p13 ecu, 5 sped
Bolt ons are Air intake, headers, hi flow cat, 2.5 inch catback exhaust.

With these mods do you suggest that I need a tune or better ecu? or upgraded fuel rail or FPR ??

I am asking because I have a slight bogging and a little bit of stuttering randomly but often and it happens in the lower RPMs around 2000-3500, and it happens most commonly when driving the car easy and going through the first 3 gears slowly.
If I floor it from first and go through the first few gears it goes with out stuttering but still seems like its not at full power vtec engages and works fine.

The car seems to run lean at lower rpms and rich at higher rpms, I have black sut and the exhaust pops at higher rpms when shifting.

It is not running rich enough to make smoke or any that ive noticed either.

I have do get a code 1 for o2 sensor but only if im flooring the pedal and it does not occur in first or second gears but will pull a code 1 in 3rd gear if im flooring it and going up a hill or if im at too low of a speed for the gear I am in.
Again Code 1 for OBD1 is the only code I have been given from the car.
And also I dont know if this is related but if I am to stall or turn off I can not start it again for atleast 20-30 secs or so
(I have red top optima battery also)
I have tried the following

Seafoam
Plugs and wires
distributor looks good and fairly new.
Checked for vacum leaks with some carb choke,
Headers checked for leaks as well as pipping around o2 sensor
Changed IAT sensor
Honda o2 sensor


EGR is blocked off

Things I have not checked are Fuel rail fuel injectors FPR , but I doubt its these because I have no issues when I floor it or when at higher rpms and vtec

Could be MAP or TPS sensors also but then again I have no codes for them and my symptoms aren't that severe and my idle seems fine

Another thing that I suspect is that My ecu is a JDM p13 and I read they have more restrictions than the USDM p13

Thanks for any help or advice

Last edited by cody8899; 01-17-2012 at 10:39 PM.
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Old 01-17-2012, 07:30 PM
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Re: Help Please, 94, jdm h22a bogging and Code 1....

I am digging your name....

I tho, cannot help. I had the same problem. But instead just decided to go with a new motor, and just hope it works. :)
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Old 01-17-2012, 09:58 PM
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Re: Help Please, 94, jdm h22a bogging and Code 1....

Time for some Seafoam...
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Old 01-17-2012, 10:21 PM
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Re: Help Please, 94, jdm h22a bogging and Code 1....

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Time for some Seafoam...
I did seafoam and switched over to synthetic oil like a month ago...
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Old 01-18-2012, 02:08 AM
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Re: Help Please, 94, jdm h22a bogging and Code 1....

from what i read it seems that you need you clean your EGR Ports and valves. pull out your 6 port plugs with a slide hammer and clean her up. make sure you get the crossovers in the front 2 ports closest to the engine with a cloths hanger or with something you can bend easily.

just a wild guess but if you have your EGR blocked off, wouldn't that prevent a CEL from appearing if you have a lot of carbon build up?

still kind of new here, maybe someone with more experience can chime in, anyways goodluck bro!
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Old 01-18-2012, 02:24 AM
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Re: Help Please, 94, jdm h22a bogging and Code 1....

Thanks for the input on the EGR cleaning but I have taken the valve off and cleaned it and also decided to just put a block plate on it.
I get the same performance with egr blocked or not so it cant be EGR
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Old 01-18-2012, 09:29 AM
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Re: Help Please, 94, jdm h22a bogging and Code 1....

It sounds like you need to check the map sensor. that will cause a pop in the exhaust, and a power loss. what happens when you rev the engine with no load on it?
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Old 01-18-2012, 12:35 PM
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Re: Help Please, 94, jdm h22a bogging and Code 1....

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Originally Posted by blaclabel1911 View Post
It sounds like you need to check the map sensor. that will cause a pop in the exhaust, and a power loss. what happens when you rev the engine with no load on it?
It revs nice and smooth (when its warm) in the mornings when i first start the car if I rev it it like sputters and sounds like **** but thats only if i try to hold the rev at lower rpms if i floor it to rev it up it will do it cleanly.

Also ive kinda noticed when at idle if i rev the car real quick and let off the pedal it will kinda sputter when i let off the pedal and the rpm drops and then goes back up

And is there a certain way to test your map sensor? I dont have a multimeter and I have never used one

Last edited by cody8899; 01-18-2012 at 12:37 PM.
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Old 01-18-2012, 02:07 PM
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Re: Help Please, 94, jdm h22a bogging and Code 1....

If ur o2 sensor is crapping out on you that will make the car run rough. I might not be all the way shot yet but will be. The ecu can't adjust for the parameters that it's receiving from the sensor. I just did one one my g/f's accord. She had a cel for an o2 sensor. Replaced it and the car is perfect now. If your code if for an o2 sensor, I would start there. No point in guessing when you have a start point. Its not fun to waste time and money to throw parts and time at the wrong thing. Good luck

Last edited by BRSoll1484; 01-18-2012 at 02:10 PM.
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Old 01-18-2012, 02:46 PM
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Re: Help Please, 94, jdm h22a bogging and Code 1....

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Originally Posted by BRSoll1484 View Post
If ur o2 sensor is crapping out on you that will make the car run rough. I might not be all the way shot yet but will be. The ecu can't adjust for the parameters that it's receiving from the sensor. I just did one one my g/f's accord. She had a cel for an o2 sensor. Replaced it and the car is perfect now. If your code if for an o2 sensor, I would start there. No point in guessing when you have a start point. Its not fun to waste time and money to throw parts and time at the wrong thing. Good luck
I have used a bosch and now I am useing a brand new honda o2 sensor i paid $200 for so I am pretty sure its not the sensor its self, code 1 is heated or malfunctioning code.
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Old 01-20-2012, 11:57 AM
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Re: Help Please, 94, jdm h22a bogging and Code 1....

may have missed this but have you reset the ecu after replacing the O2 sensor? if you're still getting a code 1 after a sensor replacement and a reset, there may be an open or short in the circuit, or you have a bad ecu. if you have access to a known good ecu, i would try switching it out to see if that's it.
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Old 01-21-2012, 03:13 PM
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Re: Help Please, 94, jdm h22a bogging and Code 1....

I just got a usdm p13 and my car is running like brand new so far.
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