Flowmaster on HHR SS = misfires on NLS?
02-12-2013, 03:16 PM
#1
Thread Starter
Join Date: 07-07-2012
Location: Waterford, MI
Posts: 3
Flowmaster on HHR SS = misfires on NLS?
I recently put a flowmaster 40 deltaflow on my HHR SS. I love the way it sounds, but I noticed that sometimes when I NLS 2-3, I get a misfire. I am thinking it is possibly because of the muffler since flowmasters are chambered. What do you guys think?
My mods are: ZZP intake, ZZP catted DP, ZZP IC and charge pipes, and their canned tune.
My mods are: ZZP intake, ZZP catted DP, ZZP IC and charge pipes, and their canned tune.
02-12-2013, 05:00 PM
#4
Premium Member
Join Date: 10-09-2010
Location: Tacoma
Posts: 14,420
i have two flowmasters, but mine doesn't shift slow enough to back fire, check out Robbs, it spits fire out the tailpipe when it backfires.....
http://turbohhr.com/thread-104.html
http://turbohhr.com/thread-104.html
02-13-2013, 05:53 AM
#5
Thread Starter
Join Date: 07-07-2012
Location: Waterford, MI
Posts: 3
Its not the NLS backfire, you can actually feel the engine miss and once in a while the CEL flashes (mifire). It seems to be clearing up now, so I think the computer just needed to adjust itself like it always does when you change something.
02-13-2013, 08:32 AM
#6
Member
Join Date: 12-27-2011
Location: midwest
Posts: 74
I've gotten that once or twice, too, on NLS. Especially from 2-3. It's one thing if you are referring to the backfire/clunky noise that comes from any NLS, but outside of that I have also had the engine sound like misfire before and flashing of a CEL. Scared the crap out of me.
I think it's because sometimes I've taken it up pretty close to the redline before attempting the shift - sometimes my LNF doesn't like that at all. By the way, my mods are ZZP Catted DP and Trifecta premium.
Also, not to sidetrack, but do you have any videos of your exhaust, OP? I've been thinking of saving a little money on the sound I want to get by just swappin' mufflers, curious how yours sounds.
I think it's because sometimes I've taken it up pretty close to the redline before attempting the shift - sometimes my LNF doesn't like that at all. By the way, my mods are ZZP Catted DP and Trifecta premium.
Also, not to sidetrack, but do you have any videos of your exhaust, OP? I've been thinking of saving a little money on the sound I want to get by just swappin' mufflers, curious how yours sounds.
02-13-2013, 04:05 PM
#7
Thread Starter
Join Date: 07-07-2012
Location: Waterford, MI
Posts: 3
I've gotten that once or twice, too, on NLS. Especially from 2-3. It's one thing if you are referring to the backfire/clunky noise that comes from any NLS, but outside of that I have also had the engine sound like misfire before and flashing of a CEL. Scared the crap out of me.
I think it's because sometimes I've taken it up pretty close to the redline before attempting the shift - sometimes my LNF doesn't like that at all. By the way, my mods are ZZP Catted DP and Trifecta premium.
Also, not to sidetrack, but do you have any videos of your exhaust, OP? I've been thinking of saving a little money on the sound I want to get by just swappin' mufflers, curious how yours sounds.
I think it's because sometimes I've taken it up pretty close to the redline before attempting the shift - sometimes my LNF doesn't like that at all. By the way, my mods are ZZP Catted DP and Trifecta premium.
Also, not to sidetrack, but do you have any videos of your exhaust, OP? I've been thinking of saving a little money on the sound I want to get by just swappin' mufflers, curious how yours sounds.
Thread
Thread Starter
Forum
Replies
Last Post
silver2LT
Problems/Service/Repairs
28
06-09-2013 11:51 AM