Sputtering and dying out
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Stage I
Joined: Jul 2017
Posts: 1
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From: Fontana
Sputtering and dying out
I have a 2007 Dyna street bob. It sounds like its running lean. It sputters and back fires when i let off the gas. Tonight, leaving work, the bike kept dying out and I had to keep on the gas to keep it on. Seemed to run better once it warmed up but still was almost dying out once i got home. I already changed the spark plugs and the line in the gas tank to the engine. Any ideas what could be causing the back fire, sputtering and it dying out?
Grand HDF Member
Joined: Jul 2016
Posts: 4,384
Likes: 8,742
From: Texas
I have a 2007 Dyna street bob. It sounds like its running lean. It sputters and back fires when i let off the gas. Tonight, leaving work, the bike kept dying out and I had to keep on the gas to keep it on. Seemed to run better once it warmed up but still was almost dying out once i got home. I already changed the spark plugs and the line in the gas tank to the engine. Any ideas what could be causing the back fire, sputtering and it dying out?
Fuel filter / fuel pump / injectors / fuel system / cracked hose in the fuel tank / tune way the hell off / electrical system breaking down / on..., and on..., and on
How far you willing to dig into this on your own..., vs. taking it to an indy and having them diagnose it (notice I did not say dealer)
If you're willing to go down the worm hole - we certainly can (I'm willing to stick it out)
Step 1 - you have a service manual
Ghost
Last edited by Ghost_13; Jul 29, 2017 at 10:48 AM.
Elite HDF Member
Joined: Sep 2008
Posts: 4,440
Likes: 148
From: Northwest
Is it throwing any codes? ... another thing to try is checking your intake and exhaust for leaks. I used to use starting fluid (ether ) to spray intakes... if your idle goes up when you spray an area (not the filter area) then you may have found an intake leak.
As to the exhaust, find someone who smokes or get a incense stick... blow/hold smoke around your exhaust flanges and other exhaust joint areas.
As to the exhaust, find someone who smokes or get a incense stick... blow/hold smoke around your exhaust flanges and other exhaust joint areas.
Seasoned HDF Member
Joined: Jul 2008
Posts: 9,278
Likes: 1,138
From: southeast PA
You're giving very little info to go on.
Is the bike stock or do you have any mods to the intake, exhaust or tuner?
How many miles?
Before you buy any more parts to throw at it, try cleaning the IAC. Also check your battery cables at the terminals and ground connection.
Is the bike stock or do you have any mods to the intake, exhaust or tuner?
How many miles?
Before you buy any more parts to throw at it, try cleaning the IAC. Also check your battery cables at the terminals and ground connection.
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