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Thread: exhaust sputter
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05-25-2008, 08:35 PM #1
- Join Date
- Jul 2007
- Location
- Marshfield Missouri
- Posts
- 43
exhaust sputter
after my header, slp catback install (no cats) i noticed that when my car is idleing after it gets hot it will sputter or puff out the exhaust almost like a miss but not really i runs fine and dosent miss at higher rpms just notice it at idle.
Last edited by 01tao6gto; 05-26-2008 at 07:20 PM.
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05-29-2008, 06:47 PM #2
big bump on this!! im trying to figure out what this is also mine does this also a puff sound and its driving me crazy what this is. everyone chip in if you have any idea what this is.. my setup is no cats ory y pipe dynomax bullet muffler.. advise please
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05-29-2008, 07:45 PM #3
do they sound like a possible leak?
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05-29-2008, 07:52 PM #4
- Join Date
- Jul 2007
- Location
- Marshfield Missouri
- Posts
- 43
it almost sounds like a miss, but runs find at high rpms!
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05-29-2008, 07:54 PM #5
well, it could be missing at idle and not at wot. How many miles on the plugs and wires?
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05-29-2008, 07:58 PM #6
- Join Date
- Jul 2007
- Location
- Marshfield Missouri
- Posts
- 43
new plugs and plug wires and usually if it is electricial you will notice it when the car gets under a load! but it runs and sounds fine other than at idle
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05-29-2008, 11:11 PM #7
new plugs and wires also. only does it at idle never had a problem at any rpm. its like a puff noise. slight miss noise.
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05-30-2008, 02:34 PM #8
- Join Date
- Jul 2007
- Location
- Marshfield Missouri
- Posts
- 43
thats exactly what it is. what the hell is it it pisses me off!!!
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05-30-2008, 04:41 PM #9
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- Apr 2008
- Location
- Madison, WI
- Posts
- 7,006
1999 Formula WS6 M6-sold- 2001 Silverado Z71
is it a constant rythmic puff puff puff or an occasional puff? Is it a BIG puff or just slight puff?
Have you guys had the computer retuned for your mods? Headers require a tune on these cars.
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05-30-2008, 06:16 PM #10
- Join Date
- Jul 2007
- Location
- Marshfield Missouri
- Posts
- 43
it is eratic but when it gets hot it gets worse!
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05-30-2008, 08:38 PM #11
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- Jul 2007
- Location
- Marshfield Missouri
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- 43
anyone have a clue!
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05-31-2008, 03:15 AM #12
- Join Date
- Apr 2008
- Location
- Madison, WI
- Posts
- 7,006
1999 Formula WS6 M6-sold- 2001 Silverado Z71
Maybe its unburned gas in the exhaust that popping off? Have you had your car retuned since the header install?
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05-31-2008, 07:18 AM #13
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