Ignition/Tuner/ECM/Fuel Injection Need advice on ignition issues? Questions about a tuner? Have questions about a EFI calibration or Fuel Injection? Tips on Engine Diagnostics, how to get codes, and what they mean. Find your answers here.

missfire

Thread Tools
 
Search this Thread
 
Old May 4, 2014 | 06:26 PM
  #1  
blizzard406's Avatar
blizzard406
Thread Starter
|
Stage I
Joined: May 2014
Posts: 1
Likes: 0
From: kokomo indiana
Default missfire

I have a 2007 streetglide with 37000 miles. some times when engine is under load like up hill in 6th. gear the engine will miss or back fire. possible coil? how often should coils be replaced?
 
Reply
Old May 6, 2014 | 08:36 PM
  #2  
grasmo's Avatar
grasmo
Advanced
Joined: Feb 2010
Posts: 92
Likes: 0
From: Tallahassee Florida
Default

Check that the plugs are the correct spec....this bike has ion sensing knock detection...the wires and the plugs need to be jiving....to me....it sounds like a spark plug wire breaking down.....I am old skool though...
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
rrb9
Sportster Models
8
Oct 13, 2024 03:13 AM
Whiskyjock
General Harley Davidson Chat
6
Jan 11, 2014 08:43 AM
br3or
Ironhead
25
Feb 23, 2013 09:35 AM
Professor
Exhaust System Topics
11
Jun 12, 2010 10:32 AM
zaxcar
EVO
8
Oct 18, 2009 03:44 PM




All times are GMT -5. The time now is 05:54 PM.

story-0
7 Times Harley-Davidson Chucked Tradition Out the Window

Slideshow: Harley-Davidson built its reputation on nostalgia, but every so often, the company took a hard left turn into the future.

By Verdad Gallardo | 2026-05-20 11:18:19


VIEW MORE
story-1
7 Surprising Harley-Davidson Products that Are Not Motorcycles

Slideshow: The bar-and-shield logo shows up on far more than motorcycles, some of the company's most unexpected products have nothing to do with riding.

By Verdad Gallardo | 2026-04-29 16:50:35


VIEW MORE
story-2
8 Best Harley-Davidson Motorcycles Ever

Slideshow: Not every Harley gets it right, but these are the ones that genuinely earned their reputation.

By Pouria Savadkouei | 2026-04-15 14:23:21


VIEW MORE
story-3
10 Worst Harley-Davidson Motorcycles Ever

Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.

By Pouria Savadkouei | 2026-04-01 20:01:09


VIEW MORE
story-4
Killer Custom's Jail Break Is The Breakout That Refused to Blend In

Slideshow: Killer Custom's "Jail Breaker" build focuses more on stance and visual aggression than mechanical overhaul.

By Verdad Gallardo | 2026-03-18 19:20:32


VIEW MORE
story-5
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.

By Verdad Gallardo | 2026-03-07 16:15:30


VIEW MORE
story-6
Harley-Davidson Reveals Super Cool Cafe Racer Concept

Slideshow: Harley-Davidson's new RMCR concept revives the café racer formula with modern hardware-and it may be exactly the reset the company needs.

By Verdad Gallardo | 2026-03-04 12:23:37


VIEW MORE
story-7
Engraved Rebellion: Inside Bundnerbike's Glam Rock II

Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.

By Verdad Gallardo | 2026-02-24 18:19:44


VIEW MORE
story-8
10 Motorcycles You Should Never Buy

Slideshow: There is no shortage of great motorcycles to buy, but we would avoid these ten.

By Joe Kucinski | 2026-02-19 14:50:51


VIEW MORE
story-9
10 Things Harley-Davidson Needs to Fix in 2026

Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.

By Verdad Gallardo | 2026-01-13 18:33:17


VIEW MORE