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View Full Version : Intake Back-Fire


Sirone
04-12-2004, 10:01 PM
Someone brought this up in the "What kind of gas do you use in your car forum" but I figured my question my get lost in there... so here goes...

Occasionally my intake, an Injen Race Divison CAI will backfire(or frontfire:).. or atleast I blame the CAI. My car never did this with the stock box... so I am sure it has to doo with the Injen.. It normally occurs if I accel again after any kind of quick accel and let-off... I use 89 mid-grade in my EP. And this "backfire" happens maybe once every 3- or so hours of driving.. and almost always during street/city driving as opposed to highway driving(More steady throttle input used is my guess)

So my question is.. Is this a sign that my intake is responsible? or that maybe a bad Sensor is now showing itself because of the extra stress from the CAI? When it happens it is always once.. and never in spurts or anything... but I am worried and don't want to have to put in 93 or anything just to solve this issue. Thanx
the JigGa mAn
04-12-2004, 10:06 PM
its your intake...i think there was some disscussion about this before if you run a quick search you might be able to find the answer
the JigGa mAn
04-12-2004, 10:20 PM
lemme help you out a bit

http://www.ephatch.com/forum/showthread.php?s=&threadid=15489&highlight=back+fire

http://www.ephatch.com/forum/showthread.php?s=&threadid=22207&highlight=back+fire

http://www.ephatch.com/forum/showthread.php?s=&threadid=7568&highlight=back+fire


hope those were of some help
Sirone
04-12-2004, 10:22 PM
Wow thanks JigGa.. now don't I feel like such an ass-hat for not doing a search.
the JigGa mAn
04-12-2004, 10:28 PM
Originally posted by Sirone
Wow thanks JigGa.. now don't I feel like such an ass-hat for not doing a search.


dont sweat it...its 12:30 and im not doin a damn thing the least i can do is help someone out
amctmg
04-13-2004, 04:09 AM
I don't think it is the intake because I put the stock back on and it still does it, However this had never occured until I installed the after market intake. So my point is that the backfire may have been caused by the intake but putting the stock back on now won't fix it.
SONIC SI
04-13-2004, 04:27 AM
Mine did it last weekend with a V2. Scared the poop out of me.
Dunrick
04-13-2004, 06:31 AM
re-check installation - mine has done it once and i've had over a year now.
sihatch
04-13-2004, 10:31 AM
My AEM V2 short ram also does the same thing, but it does it like once every 3 weeks or something. I'm changing into a cold air intake soon though.