backfiring since apexi bov installed
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backfiring since apexi bov installed
yes.. searched for it.. but most people backfire at high rpm or backfires with no boost or crappy revving engine..
here is my story.
yesterday I have installed the apex'i twin chamber bov.. and I had to make a hose to the bac with two pieces of hose I had left..
and the problem with my car is as follows.. it backfires a lot when I'm light on the throttle at circa 2500 to 3000 rpm, the engine speed decreases. And for about a second or 10 I hear loud bangs and so.. It appears most in second and third gear.
The engine has a solid idle at 750 rpm when hot.. the engine runs smooth in all rpm.. the boost is good (almost at top of std boostmeter.. not a good point to rely on but before I mounted the bov it was at the same level)
the car is fast.. so no problem accept the backfiring at low speeds in low gears (thus mostly in residental area's.. )
my car is a eurospec S5 TurboII with the corksport catback 3" all the way no cats. K'n airfilter and the rest is stock..
I guessing that I should adjust the spring of the BOV but.. should I tighten it or loosen it? at idle the bov is closed so that is good..
should I be worried?
here is my story.
yesterday I have installed the apex'i twin chamber bov.. and I had to make a hose to the bac with two pieces of hose I had left..
and the problem with my car is as follows.. it backfires a lot when I'm light on the throttle at circa 2500 to 3000 rpm, the engine speed decreases. And for about a second or 10 I hear loud bangs and so.. It appears most in second and third gear.
The engine has a solid idle at 750 rpm when hot.. the engine runs smooth in all rpm.. the boost is good (almost at top of std boostmeter.. not a good point to rely on but before I mounted the bov it was at the same level)
the car is fast.. so no problem accept the backfiring at low speeds in low gears (thus mostly in residental area's.. )
my car is a eurospec S5 TurboII with the corksport catback 3" all the way no cats. K'n airfilter and the rest is stock..
I guessing that I should adjust the spring of the BOV but.. should I tighten it or loosen it? at idle the bov is closed so that is good..
should I be worried?
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picture
yes it is temporarily.. still searching for a tube/hose in the correct shape for the bac..
I have a avi of me cruising and popping.. but It's too big to place it at homestead.. can someone host it? it is about 10Meg..
#9
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that's really..... wierd... looking
the hose from the bac to the ic pipe is mostly strait with a tiny bend in it... you just need to turn the pipe you put in so the medal outlet thing is going towards the bac. sometimes it helps to take the bov off the pipe when trying to get stuff in the right place cause it'll hit the strut tower dealy.
-Myk
the hose from the bac to the ic pipe is mostly strait with a tiny bend in it... you just need to turn the pipe you put in so the medal outlet thing is going towards the bac. sometimes it helps to take the bov off the pipe when trying to get stuff in the right place cause it'll hit the strut tower dealy.
-Myk
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I can't.. the ABS unit is in the way... or do you have a picture of someone with abs and the apexí BOV?
I be making a mp3 of the avi.. so you can hear it.
I be making a mp3 of the avi.. so you can hear it.
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Click here for mp3
Okay be gentle with it.. I have a very tight bandwidth limit so it may only be downloadble for a couple of times..
what is happening in it then.. the car is first at idle (+/- 750 rpm), going very slow chage up to second.. almost no boost.. and when I hit the gas.. it's only like 1/2 throttle and 3/4 boost.. the popping is between 3000 rpm and 2000 rpm..
I Hope it can be solved because I don;t think this is normal.. even for a catback and air vented bov equiped car like mine
Okay be gentle with it.. I have a very tight bandwidth limit so it may only be downloadble for a couple of times..
what is happening in it then.. the car is first at idle (+/- 750 rpm), going very slow chage up to second.. almost no boost.. and when I hit the gas.. it's only like 1/2 throttle and 3/4 boost.. the popping is between 3000 rpm and 2000 rpm..
I Hope it can be solved because I don;t think this is normal.. even for a catback and air vented bov equiped car like mine
Last edited by turboII joop; 03-15-05 at 02:58 PM.
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^^bump^^
things to do to solve it
1. get a good hose for th BAC (But I don't think that is causing the backfiring)
2. adjust the spring of the BOV (it may be leaking at little throttle and a tiny bit of boost although it is closed at idle)
3. Reset the ECU (why not.. A S13 here passed emissions after the ecu was reset)
or is something else causing the backfiring?
things to do to solve it
1. get a good hose for th BAC (But I don't think that is causing the backfiring)
2. adjust the spring of the BOV (it may be leaking at little throttle and a tiny bit of boost although it is closed at idle)
3. Reset the ECU (why not.. A S13 here passed emissions after the ecu was reset)
or is something else causing the backfiring?
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Originally Posted by RotaryWeaponSE7EN
Or put a catalitic converter on ur car.
Catalitic converters don't like backfires.