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.

engine light codes

Thread Tools
 
Search this Thread
 
Old Aug 6, 2010 | 08:00 PM
  #1  
michael nightrain's Avatar
michael nightrain
Thread Starter
|
Stage I
Joined: Aug 2010
Posts: 1
Likes: 0
From: nj
Default engine light codes

hey everybody, i have a 2006 nightrain fxstb and the engine light just started coming on for a few seconds after i start the bike. i pulled these codes. from the P : PO374, Pn34317-06. from S: Pn68923-OOD, from SP: 67033-O4A, and none on t. any help on these, i have recently installed a power commander, arlen ness slash ness exhaust and a ro-r hypercharger. these add ons have been there for several months now with no problems.
 
Reply
Old Aug 7, 2010 | 02:03 PM
  #2  
alcotune's Avatar
alcotune
Tourer
Joined: Feb 2008
Posts: 454
Likes: 0
From: Newfoundland
Default

Similar thing happened to my bike today. I have the PCIII with slip-ons & SE breather, been running this setup for a few months and today the CEL started coming on for a few seconds after start up. I never checked the codes yet and the bike seems to be running fine.
 
Reply
Old Aug 7, 2010 | 02:17 PM
  #3  
frogg's Avatar
frogg
Road Warrior
Joined: Mar 2009
Posts: 1,843
Likes: 5
From: PacNW (Olympic Pennsula)
Default

P0374 CKP Sensor Synch Error (EFI)
Refer to Manual
All other numbers Part Numbers.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
maineultraclassic
Touring Models
11
Aug 1, 2015 10:09 PM
jorswift
Touring Models
7
May 27, 2010 08:12 AM
MarkM
Ignition/Tuner/ECM/Fuel Injection
0
Jun 27, 2009 04:07 PM
scooby doo
Touring Models
10
May 18, 2009 07:59 PM
notarheli
Ignition/Tuner/ECM/Fuel Injection
13
Sep 21, 2006 07:45 PM




All times are GMT -5. The time now is 03:26 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