Motoring Alliance :: MINI Cooper Forums   Motoring Alliance :: MINI Cooper Forums Motoring Alliance :: MINI Cooper Forums
Home

Menu




Notices

Sponsor

» Random Garage
Car exhaust poping through hard acceleration
Traveller

AAONMS

» Ad Links
» Recent Threads
Go to first new post 2017 - F1
972 Replies, 108,911 Views
Go to first new post Word Association
72,709 Replies, 1,525,364 Views
Go to first new post Program remote Key
3 Replies, 106 Views
Go to first new post Soooooo Whatcha Eating?
1,642 Replies, 118,845 Views
Go to first new post Intermittent Red Oil Light
15 Replies, 33,283 Views
Go to first new post Q :: 2012 Scion IQ
10 Replies, 2,551 Views
Go to first new post El Señor Cooper.
32 Replies, 6,132 Views
Go to first new post MINI/Mini Trailers
140 Replies, 40,429 Views
Go to first new post What did you do with your MINI today?
14,651 Replies, 953,111 Views
Go to first new post Refreshing Rufus - 2005 MCS JCW
140 Replies, 18,722 Views
Go to first new post F1 Videos
266 Replies, 77,952 Views
Go to first new post Rally Videos
348 Replies, 85,685 Views
Advert

» Ad
Sponsors

Likes Likes:  8
Reply
Thread Tools Display Modes
Unread 09-18-2017, 10:03 PM #1
haliphics's Avatar
haliphics haliphics is offline
Stage 1
 
Join Date: Dec 2016
Posts: 55
Likes (Given): 3
Likes (Received): 9
haliphics haliphics is offline
Stage 1
haliphics's Avatar
 
Join Date: Dec 2016
Posts: 55
Likes (Given): 3
Likes (Received): 9
Car exhaust poping through hard acceleration

So just recently I finally for an accessport. I'm running the stage 2 tune at 92 octane with a AEM Cold Air intake, OBX Catless downpipe, and forge BOV. After A few days of driving it and a oil change to Castrol 0-w40. When I accelerate hard from 2nd 3rd and 4th after about 4500 rpm you hear popping from the exhaust while accelerating and a very slight loss of power or boost feeling. Any idea what it could be. It doesn't feel like a coil or misfire especially since I had a coil go bad recently and changed them all out to oem.

Sent from my SM-G935U using Tapatalk
haliphics is offline   Reply With QuoteReply With Quote
Unread 09-19-2017, 09:23 AM #2
Grizld700's Avatar
Grizld700 Grizld700 is offline
Stage 4
 
Join Date: Feb 2016
Location: Eastern Iowa
Posts: 1,177
Likes (Given): 970
Likes (Received): 215
Car exhaust poping through hard acceleration
Grizld700 Grizld700 is offline
Stage 4
Grizld700's Avatar
 
Join Date: Feb 2016
Location: Eastern Iowa
Posts: 1,177
Likes (Given): 970
Likes (Received): 215
Car exhaust poping through hard acceleration
Get rid of the accessport. Its going to kill your car. This is not a joke. There is a reason they dropped MINI support. They couldn't figure it out.
__________________
2007 MCS - Too Many Mods!
Grizld700 is offline   Reply With QuoteReply With Quote
Post Thanks / Like - 2 Likes
Likes Dave.0, Qik liked this post
Unread 09-19-2017, 09:45 AM #3
DneprDave's Avatar
DneprDave DneprDave is offline
Stage 4
 
Join Date: Oct 2010
Location: Pacific NW
Posts: 2,639
Likes (Given): 1496
Likes (Received): 1641
Car exhaust poping through hard acceleration
DneprDave DneprDave is offline
Stage 4

DneprDave's Avatar
 
Join Date: Oct 2010
Location: Pacific NW
Posts: 2,639
Likes (Given): 1496
Likes (Received): 1641
Car exhaust poping through hard acceleration
Quote:
Originally Posted by Grizld700 View Post
Get rid of the accessport. Its going to kill your car. This is not a joke. There is a reason they dropped MINI support. They couldn't figure it out.
That's nonsense. They stopped making it for MINI because they couldn't crack the Engine Control Unit on the N18 engine so they could reprogram it through the OBDll port, like on the N14 engine Accessport.

That limited their possible market share, making it unprofitable to make and support.

I've had one for seven years with no problems. If anything the AP canned tunes are a little tame so as to err on the safe side.
__________________
Dave

2010 Chili Red Cooper S Clubman, Automatic.

Shade tree mechanic

http://www.motorists.org/
DneprDave is offline   Reply With QuoteReply With Quote
Unread 09-19-2017, 10:12 AM #4
Dave.0's Avatar
Dave.0 Dave.0 is offline
Helix & RMW Powered
 
Join Date: May 2009
Location: Burbs of Philly, PA
Posts: 21,100
Car exhaust poping through hard acceleration
Dave.0 Dave.0 is offline
Helix & RMW Powered

Dave.0's Avatar
 
Join Date: May 2009
Location: Burbs of Philly, PA
Posts: 21,100
Car exhaust poping through hard acceleration
Manic tune, accessport, crap OBX downpipe, all of these things could be your problem.
__________________



Esoteric Detailing Supplies http://www.esotericcarcare.com/

05 MINI JCW "The Mistress"
RMW Powered, Helix built w/ Meth
Helix: http://store.helix13.com
Greene Performance https://www.greeneperformance.com/co...formance-parts
RMW: http://www.revolutionmini.com
Dave.0 is offline   Reply With QuoteReply With Quote
Post Thanks / Like - 1 Likes
Likes Qik liked this post
Unread 09-19-2017, 11:17 AM #5
haliphics's Avatar
haliphics haliphics is offline
Stage 1
 
Join Date: Dec 2016
Posts: 55
Likes (Given): 3
Likes (Received): 9
haliphics haliphics is offline
Stage 1
haliphics's Avatar
 
Join Date: Dec 2016
Posts: 55
Likes (Given): 3
Likes (Received): 9
Quote:
Originally Posted by Dave.0 View Post
Manic tune, accessport, crap OBX downpipe, all of these things could be your problem.
No manic tune, the downpipe has been fine for the last 8 months before the accessport. There are no leaks or stress crack on the down pipe or gasket. But after digging through my engine bay all morning my HPFP could be on it's way out because it looks like it might be leaking.

Sent from my SM-G935U using Tapatalk
haliphics is offline   Reply With QuoteReply With Quote
Unread 09-19-2017, 11:52 AM #6
Qik's Avatar
Qik Qik is offline
Motor On!
 
Join Date: Oct 2015
Location: Atlanta-ish
Posts: 910
Likes (Given): 1601
Likes (Received): 644
Car exhaust poping through hard acceleration
Qik Qik is offline
Motor On!

Qik's Avatar
 
Join Date: Oct 2015
Location: Atlanta-ish
Posts: 910
Likes (Given): 1601
Likes (Received): 644
Car exhaust poping through hard acceleration
What codes pop up? If your HPFP is failing it'll throw a code. The main issue is that you've got a ticking time bomb for an engine and you're messing with it. #betteroffstock
Qik is offline   Reply With QuoteReply With Quote
Post Thanks / Like - 1 Likes
Likes Dave.0 liked this post
Unread 09-19-2017, 12:14 PM #7
haliphics's Avatar
haliphics haliphics is offline
Stage 1
 
Join Date: Dec 2016
Posts: 55
Likes (Given): 3
Likes (Received): 9
haliphics haliphics is offline
Stage 1
haliphics's Avatar
 
Join Date: Dec 2016
Posts: 55
Likes (Given): 3
Likes (Received): 9
Quote:
Originally Posted by Qik View Post
What codes pop up? If your HPFP is failing it'll throw a code. The main issue is that you've got a ticking time bomb for an engine and you're messing with it. #betteroffstock
No codes yet. I don't hear any metal pings like it's knocking or sparking early. The timing is fine through out the band. So it seems like it's something with either fuel, coils or plugs. I already removed the tune and unmarried the accessport. On a stock map or no accessport married it's 100% fine

Sent from my SM-G935U using Tapatalk
haliphics is offline   Reply With QuoteReply With Quote
Unread 09-19-2017, 12:25 PM #8
Qik's Avatar
Qik Qik is offline
Motor On!
 
Join Date: Oct 2015
Location: Atlanta-ish
Posts: 910
Likes (Given): 1601
Likes (Received): 644
Car exhaust poping through hard acceleration
Qik Qik is offline
Motor On!

Qik's Avatar
 
Join Date: Oct 2015
Location: Atlanta-ish
Posts: 910
Likes (Given): 1601
Likes (Received): 644
Car exhaust poping through hard acceleration
Quote:
Originally Posted by haliphics View Post
On a stock map or no accessport married it's 100% fine
Sent from my SM-G935U using Tapatalk
Problem solved

Maybe not enough fuel for the amount of air you're pushing.
Qik is offline   Reply With QuoteReply With Quote
Post Thanks / Like - 1 Likes
Likes Crashton liked this post
Unread 09-19-2017, 12:30 PM #9
haliphics's Avatar
haliphics haliphics is offline
Stage 1
 
Join Date: Dec 2016
Posts: 55
Likes (Given): 3
Likes (Received): 9
haliphics haliphics is offline
Stage 1
haliphics's Avatar
 
Join Date: Dec 2016
Posts: 55
Likes (Given): 3
Likes (Received): 9
Quote:
Originally Posted by Qik View Post
Problem solved

Maybe not enough fuel for the amount of air you're pushing.
It's a possibility. I forgot to mention that on a stage 1 map a lot better than stage 2. It pops once then stays fine and only happens in second and third. Maybe a bad injector?

Sent from my SM-G935U using Tapatalk
haliphics is offline   Reply With QuoteReply With Quote
Unread 09-19-2017, 01:32 PM #10
Qik's Avatar
Qik Qik is offline
Motor On!
 
Join Date: Oct 2015
Location: Atlanta-ish
Posts: 910
Likes (Given): 1601
Likes (Received): 644
Car exhaust poping through hard acceleration
Qik Qik is offline
Motor On!

Qik's Avatar
 
Join Date: Oct 2015
Location: Atlanta-ish
Posts: 910
Likes (Given): 1601
Likes (Received): 644
Car exhaust poping through hard acceleration
Quote:
Originally Posted by haliphics View Post
It's a possibility. I forgot to mention that on a stage 1 map a lot better than stage 2. It pops once then stays fine and only happens in second and third. Maybe a bad injector?

Sent from my SM-G935U using Tapatalk
Si, or not enough injector?
Qik is offline   Reply With QuoteReply With Quote
Reply

Bookmarks

Tags
boost, coil, exhaust, hard, recently

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


Powered by vBadvanced CMPS v3.1.0

All times are GMT -4. The time now is 01:58 PM.

Powered by vBulletin; Version - A Very Customized 3.8.2
Copyright ©2009 - 2017, Jelsoft Enterprises Ltd.
Clubs, Garage Plus, Vendor Tools vBulletin Plugins by Drive Thru Online, Inc.


Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Feedback Buttons provided by Advanced Post Thanks / Like v3.4.1 (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Motoring Alliance is an independently operated web site supporting MINI owners and enthusiasts worldwide. All original artwork and design is Copyright © 2009 - 2016 Motoring Alliance.
Single Sign On provided by vBSSO