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Honda ST1300 Section => Ask A Tech about your Honda ST1300 => Topic started by: JNAC on May 18, 2018, 06:29:09 PM

Title: FI Code 26 update and question.
Post by: JNAC on May 18, 2018, 06:29:09 PM
Hey all,

Finally found the time and tools to get the airbox out last weekend and found the 5 way connector was clogged (3 of the 5) so I cleared it out put it back together. Expecting no change I took it out for a ride and was pleasantly surprised to find the issue now a lot harder to replicate.

Before if I were to make any "sudden movements" while riding I would get the FI light, for example, speeding up more than gently or cutting the throttle at speed. I could get it to come on above 100 or as low as 30.   

Now it's a lot harder to cause and I've only managed to get it to come on taking off from the side of the highway like a mad man and after dropping it a few gears to overtake.

My question to anyone reading is where do the pipes that come off the 5-way connector go? I didn't look at the other ends when I was in there. My thinking is if cleaning the 5-way had a noticeable impact there could be a possibility that the pipes are also clogged or their other ends are clogged...   :think1

Before I go ripping it apart again and trying to clean out lengths of pipe I figured I'd see if anyone could shed some light on what I'm in for. 

Thanks  :grin
Title: Re: FI Code 26 update and question.
Post by: Biggles on May 18, 2018, 06:42:38 PM
Dunno- it's dark down in there.     >:()

But seriously, have you tried putting a dose of Morey's Injector Cleaner through a tank of fuel?.  We all know the fuel doesn't go through those pipes, but the vapour does, and it seems to have been beneficial in the past.
Title: Re: FI Code 26 update and question.
Post by: JNAC on May 18, 2018, 06:45:17 PM
Dunno- it's dark down in there.     >:()

But seriously, have you tried putting a dose of Morey's Injector Cleaner through a tank of fuel?.  We all know the fuel doesn't go through those pipes, but the vapour does, and it seems to have been beneficial in the past.

Haha thanks!

I did try half a bottle when I first got the issue as the bottle said for 60L of fuel but I should probably try another round at double the dosage. Who stocks Morey's Injector Cleaner?
Title: Re: FI Code 26 update and question.
Post by: Jdbiker on May 18, 2018, 07:39:08 PM
Had similar problem with blocked connector, still had rough idle after cleaning, but problem resolved after ECU reset👍. You may want to try this, can’t harm🤓http://ozstoc.com/index.php?topic=11334.0 (http://ozstoc.com/index.php?topic=11334.0)
Title: Re: FI Code 26 update and question.
Post by: NTRebel on May 18, 2018, 07:41:16 PM
Try Supercheap.

Dunno- it's dark down in there.     >:()

But seriously, have you tried putting a dose of Morey's Injector Cleaner through a tank of fuel?.  We all know the fuel doesn't go through those pipes, but the vapour does, and it seems to have been beneficial in the past.

Haha thanks!

I did try half a bottle when I first got the issue as the bottle said for 60L of fuel but I should probably try another round at double the dosage. Who stocks Morey's Injector Cleaner?
Title: Re: FI Code 26 update and question.
Post by: Biggles on May 18, 2018, 10:43:47 PM
Super Cheap Auto have it and it's reasonable at around $29 for a litre.
Title: Re: FI Code 26 update and question.
Post by: Gadget on May 18, 2018, 10:47:02 PM
From memory one goes to the MAP Sensor and the other four go to the inlet throttle bodies to measure the vacuum or something like that. I pulled mine off one at a time and ran a pipe cleaner down  the end of each one with a bit of kero as a cleaning agent.

A couple were clogged at the 5-way end. 

Then I blew through them to make sure they were clear.

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