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Backfiring

NIKICH

By NIKICH
in Corolla / Corolla Sportivo Club

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NIKICH Grand Master

NIKICH

Posted
Posted

I noticed when i had my stock exhaust that my car would back fire when slowing but now that i have another exhaust (louder than stock) i notice it more often. Does the car need a tune?? I get the oil changed every 5,000kms and every 10,000 i have a tune done

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CAP Grand Master

CAP

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It's actually not a bad thing - I've been told it's a sign that everything is running efficiently and you have plenty of oxygen passing through to the exhaust after combustion.

Mine always rumbles and pops when slowing - It's nice :D. I've also noticed the car is more prone to do it when running on BP ultimate which tells me it's burning cleaner than other fuels.

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Northy Grand Master

Northy

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It's actually not a bad thing - I've been told it's a sign that everything is running efficiently and you have plenty of oxygen passing through to the exhaust after combustion.

Mine always rumbles and pops when slowing - It's nice :D. I've also noticed the car is more prone to do it when running on BP ultimate which tells me it's burning cleaner than other fuels.

mine does the same thing and i have also noticed it does it alot more when running on Ultimate :)

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bozurolla Grand Master

bozurolla

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Its anonymous,ive got a lil more that pops,somtimes it crackles but its all healthy,U do get it more using Ultimate 98 (good point lads i didnt even notice that)..with a good complete exhaust system & matching intake ive been told its inevitable.....oh well :clap::clap:

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mtbrider Veteran

mtbrider

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My sportivo has never backfired. Don't know what you are talking about ?.

We used to make our old Holdens backfire. Find a large hill and give it some going down at about halfway turn the ignition off and back on.

A huge explosion :yahoo: and if you are unlucky your exhaust falls off. :clap:

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Azza Grand Master

Azza

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Rumbles and pops - just that....

Backfire - backfire: loud noise and bang.... maybe some flamage if you are lucky...

I got a few rumbles and pops, but no backfire......notice them more with the CES but maybe cause it's a little louder, but certainly noticed it with the stocko exhaust...

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YDOIT4 Mentor

YDOIT4

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Yea mine is popping like crazy as my flex on my exhaust has burnt a MASSIVE hole in it and its basically headers and out i have to get it fixed its soooo loud its insane but yea i noticed it pops more now that i have the apexi installed and tuned perfectly now it pops whenever deccelerating and revving

I love it :clap:

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CAP Grand Master

CAP

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I don't think most of the people posting in this thread know what a backfire is... the exhaust popping is nothing like backfiring.

True :rolleyes: my bad, I'm reffering to crackle and pop, not back-fire which is actually unburnt fuel flowing through the engine and then igniting when it hits the hot exhaust and giving out a sound that's the equivalent of a shotgun.

So Nickich are you getting just crackle and pop or actual backfiring? because the later is bad.

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CAP Grand Master

CAP

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My sportivo has never backfired. Don't know what you are talking about ?.

We used to make our old Holdens backfire. Find a large hill and give it some going down at about halfway turn the ignition off and back on.

A huge explosion :yahoo: and if you are unlucky your exhaust falls off. :clap:

This is how I do instant flames on my old Wagon, Floor it, turn the ignition on and off very quickly and .... :ph34r:

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shaohaok Grand Master

shaohaok

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Its a series of pops. But the pops are pretty intense, to the point were you can feel them vibrate the seat

Is anyone experiencing this? :ph34r:

when u have no muffler running out the back, u feel a thud more than a pop. feels like a pebble hit the pipe.

i'm sure some of u out there know wat i'm talking about!

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Azza Grand Master

Azza

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when u have no muffler running out the back, u feel a thud more than a pop. feels like a pebble hit the pipe.

i'm sure some of u out there know wat i'm talking about!

I have absolutley no idea what you are on about my jet-setting friend....

:whistling::whistling::whistling:

:ph34r::ph34r::ph34r:

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CAP Grand Master

CAP

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In my case sometimes certain pops (Particularly between slow shifts in stop start traffic) can be felt quite strongly. But if you feel it's a concern, just for your peace of mind have it checked at the next service.

But before you do, switch fuel for a week or two and see if this makes a difference for you.

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Guest JDM y0 !

Guest JDM y0 !

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my car makes that rumble and popping noise when you use a bit of compression to slow the car down ie 3rd to second. i love that noise ! yah i run 98 octane too.

never had it do the backfiring before tho. lol backfiring sounds cool like a rally car. :)

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shaohaok Grand Master

shaohaok

Posted
Posted

when u have no muffler running out the back, u feel a thud more than a pop. feels like a pebble hit the pipe.

i'm sure some of u out there know wat i'm talking about!

I have absolutley no idea what you are on about my jet-setting friend....

:whistling::whistling::whistling:

:ph34r::ph34r::ph34r:

oh yes u do! :lol:

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