runing rich after jdm 4-1 header install
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From: Los Angeles, CA, U.S.A
runing rich after jdm 4-1 header install
i use to get 20+mpg before i changed to the jdm itr 4-1 header. not it run rich as hell. the car smells like massive gas and exhaust and i only get about 150 miles to a full tank.
has this happen to any else
has this happen to any else
Will you make something up for me please?
Joined: Sep 2001
Posts: 6,366
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From: SoCal
Re: runing rich after jdm 4-1 header install (riceball777)
That's pretty strange as it shouldn't really affect that.
Maybe your O2 sensor is damaged? Did you wrap your header? You said you are smelling gas. Could it be a leak? Did you check that all your bolts are tight on the head, and there are no cracks in the manifold/flange?
Maybe your O2 sensor is damaged? Did you wrap your header? You said you are smelling gas. Could it be a leak? Did you check that all your bolts are tight on the head, and there are no cracks in the manifold/flange?
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Joined: Aug 2002
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From: NorCaL/SoCaL
Re: runing rich after jdm 4-1 header install (riceball777)
Try resetting your ECU.
1) Warm up the car to operating temp
2) turn off the car, remove the 15A fuse from the fusebox
3) Wait for about 10-15mins
4) Re-install fuse and let sit at idle for another 10-15 mins.
1) Warm up the car to operating temp
2) turn off the car, remove the 15A fuse from the fusebox
3) Wait for about 10-15mins
4) Re-install fuse and let sit at idle for another 10-15 mins.
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From: Los Angeles, CA, U.S.A
Re: runing rich after jdm 4-1 header install (riceball777)
i tryed reseting the ecu and nothing is changed
and the itr header is wraped with some header wrap only cuz i bought it like that
and the itr header is wraped with some header wrap only cuz i bought it like that
Will you make something up for me please?
Joined: Sep 2001
Posts: 6,366
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From: SoCal
Re: runing rich after jdm 4-1 header install (riceball777)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by riceball777 »</TD></TR><TR><TD CLASS="quote">i tryed reseting the ecu and nothing is changed
and the itr header is wraped with some header wrap only cuz i bought it like that </TD></TR></TABLE>
I have heard (don't know it if has been confirmed) that wrapping a header on a street car is bad. The heat buildup is too great and then it damages the O2 sensor. That could be why. But then again, how long were you running like this? You just installed the header, right? It usually takes some time before O2 sensor damage occurs in this situation.
and the itr header is wraped with some header wrap only cuz i bought it like that </TD></TR></TABLE>
I have heard (don't know it if has been confirmed) that wrapping a header on a street car is bad. The heat buildup is too great and then it damages the O2 sensor. That could be why. But then again, how long were you running like this? You just installed the header, right? It usually takes some time before O2 sensor damage occurs in this situation.
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From: norwalk, ca, u.s
Re: runing rich after jdm 4-1 header install (shamoo)
fault O2 sensor...it might somehow got damage when you installed and removed of the headers...
did you reuse header gasket?...it shouldn't be reused..
where is ur o2 sensor located?
what is ur engine mods...
vafc etc?
hondata?
did you reuse header gasket?...it shouldn't be reused..
where is ur o2 sensor located?
what is ur engine mods...
vafc etc?
hondata?
Thread Starter
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Joined: Mar 2002
Posts: 4,413
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From: Los Angeles, CA, U.S.A
Re: runing rich after jdm 4-1 header install (yeegsr)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by yeegsr »</TD></TR><TR><TD CLASS="quote">fault O2 sensor...it might somehow got damage when you installed and removed of the headers...
did you reuse header gasket?...it shouldn't be reused..
where is ur o2 sensor located?
what is ur engine mods...
vafc etc?
hondata?</TD></TR></TABLE>
my set up is at my sig
it tuned with hondata
did you reuse header gasket?...it shouldn't be reused..
where is ur o2 sensor located?
what is ur engine mods...
vafc etc?
hondata?</TD></TR></TABLE>
my set up is at my sig
it tuned with hondata
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