ok i am stumped need some help on issue

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Mar 3, 2012 | 02:50 PM

#31

felt918

Intermediate

Joined: Jan 2012

Posts: 48

Likes: 1

From: Phoenix

Throttle position sensor? Probably ok on the lower side then on the big end it goes open??

Mar 3, 2012 | 06:59 PM

#32

99superglide

Tourer

Joined: Mar 2007

Posts: 467

Likes: 0

From:

I would geuss you have an issue with fuel lines inside the tank.

Mar 3, 2012 | 07:38 PM

#33

WS6 Formula

Stellar HDF Member

Joined: Mar 2006

Posts: 3,124

Likes: 255

From: From Long Island, now in So. Cal

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Quote:

Originally Posted by WS6 Formula

Anybody replace there in tank fuel line instead of replacing the whole assembly? I have three locations that have contacted the inside of the tank and have worn down the outside of the tubing, and one has a pin hole.
I think the fix would be to use Gates SAE 30R10 Submersible Fuel Line, using a shorter length so that it doesn't hit the tank walls, and / or putting tie wraps on those contact points. Harley only sells the one line from the tank quick disconnect to the regulator/filter, the other line requires you to buy the fuel pump.

fuel line tank output to pump item #19 P/N 62194-04
Retail: $55.92
Chicago HD: $44.74
Zanotti's: 36.35

fuel pump assembly item # 7 P/N 61016-04B
Retail: $160.00
Chicago HD: $128.00
Zanotti's: 105.92

fuel pump assembly with regulator item #26 75218-04B
Retail: $250.00
Chicago HD: $200.00
Zanotti's: ?

Mar 3, 2012 | 09:39 PM

#34

greenstreetbob

Road Master

Joined: Dec 2007

Posts: 1,122

Likes: 1

From: St Louis, MO

repeat info edit.....

Last edited by greenstreetbob; Mar 3, 2012 at 11:41 PM.

Mar 4, 2012 | 06:26 PM

#35

marines267

Tourer

Joined: Dec 2010

Posts: 250

Likes: 0

From: Mesa arizona

Quote:

Originally Posted by JRK5892

hey guys... ok so i am stumped... the bike is not throwing any codes... bike runs great, then when i nail it full throttle it chugs, like it is not getting enough fuel... so i checked the plugs tight, checked the injectors, all good... no codes...
so i think i have it broke down to 1 of 3 options, Cam position sensor, speed sensor, or throttle position sensor... i am leaning a bit more towards the speed sensor as at low speeds or light throttle the bike runs great, it is only when i open her up to let her rip that she starts to chug on me... so before i go in and replace all the sensors i figured i would reach out and ask if anyone has had any issues like this before or any suggestions. thanks!

I had a missing problem that took awhile to find bike was fine while idling but while moving would miss it turned out to be a broken wire going to map sensor good luck

Mar 4, 2012 | 07:36 PM

#36

shimmon

Outstanding HDF Member

Joined: Mar 2008

Posts: 2,062

Likes: 2

From: Southwest OHIO

my truck was acting similar. i checked fuel lines, replaced fuel pump, nothing... then i decided fuel was good, on to spark. ended up replacing the coil, was heating up at high rpms and shutting down. but this should throw a code... i wonder if there is a test procedure in the shop manual? just a thought. good luck joe

Mar 5, 2012 | 10:34 AM

#37

JRK5892

Thread Starter

Banned

Joined: Mar 2007

Posts: 19,481

Likes: 25

From: Chicago suburbs (Elgin/Schaumburg)

did not get to play with it much yesterday... had a guy call and hewanted to buy one of my bikes so i spent the day cleaning it... but hte bob is now on the lift ill get back with some reports

Mar 5, 2012 | 11:46 AM

#38

rh8234

Elite HDF Member

Joined: Jul 2005

Posts: 3,968

Likes: 34

From: Lockport Township, IL

I did not read the entire thread, so excuse me please if this has been covered. First place I'd check is for intake leaks and exhaust leaks. Either of those could cause your symptoms. On my wife's sportster - it did the exact same thing intermittently since purchased new. After ruling out all the obvious things, I finally figured out that it was the Crank Position Sensor. It acted up most often when the bike was fairly hot. replace the sensor, ran it several months with no issues. Put old sensor back in, and problems reappeared. New sensor back in and it's been problem free for 4 years.