Ok, been boosting for about 2 weeks. No big problems yet. Lately i've been getting CEL's after i boost. But after i turn the car off and back on, the CEL is gone. Dammit, how do i check the CEL if it keeps dissappearing. Ok, before i turn it off, the car feels really sluggish, and at idle, its really shitty. I'm using rc 370's and my idle fuel pressure is at 50 psi. I use the s-afc hack and set my numbers -45% across the whole thing. I've tried setting it at -40%, same ****. CEL comes on. Help anyone!

 

Ok, i just pulled my plugs, and they are BLACK! They are zfr7f-11. I just swapped in zfr6f-11's. Any idea folks?

 

I bet it's a MAP code. What boost level?

 

.5 bar

Can spark plugs ever cause a CEL?


[Modified by zojirushi, 8:45 PM 8/13/2002]

 

lower fuel pressure and a missing link...

 

then i wouldn't be using the s-afc hack, and would need an fmu and inline pump.

 

Ditto, thats your problem kid.
Give me a call on the weekend, if you want me to take a look at it.
EVIL

 

I don't agree. if he uses the missing link it will totally tweak his set-up because the afc won't be intercepting the boosted MAP signal and changing it.

 

I'm kinda leaning towards my o2 sensor. What exactly would a busted o2 sensor do to your car?

 

Bad o2 = poor gas mileage, running rich if your ECU goes into limp mode.

 

This is happening after boosting, people. I guarantee you it is a MAP code.

 

but i'm trimming the signal alot with the afc. I don't see how its possible unless my s-afc is broken. And also, it doesn't happen right after boosting.


[Modified by zojirushi, 1:39 AM 8/14/2002]

 

update:

ok, this seems to happen upon deceleration.

Also, this problem has seem to started after i developed a exhaust leak after the downpipe, near the o2 sensor.

 

Pull your codes first. I don't know about the teg, but my Civic cas a blue "service connector" under the passenger side dash, by the kick panel above the ecu. Jump this connector with a piece of wire and turn the ignition to "on" (don't start the car). Then count the flashes of the CEL for the code number....

 

my cel goes away after i turn the car off... will i still be able to check the code?

 

Yes.

 

At idle you need a little more fuel, set that at -35% and leave the rest.

 

UPDATE: Ok, i've seemed to have fixed the problem. I just reset the ecu and now the cel doesn't come on anymore....