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EFI Sportster Motorcycle Talk (2007 and up) For 2007 and above Sportsters

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  #11  
Old 20th December 2021
Tomcatt Tomcatt is offline
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Quote:
Originally Posted by Canuck52 View Post
I will do a full Re & Re of all sensors and connectors etc, but would like to know if any one on this board has gone the manual route
Not that I've seen.

I'd clean and lube the IAC and if that doesn't work, replace it. I think there's an auto parts store replacement. MC-IAC3 maybe? I'd be at the parts store IAC in hand, asking if they have one of these...

Maybe someone with more specifics will chime in...

What map are you running?
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Last edited by Tomcatt; 21st December 2021 at 01:00..
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  #12  
Old 21st December 2021
Canuck52 Canuck52 is offline
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Thanks Tomcatt
MC-IAC3 sounds right.
The bike has Stock heads and barrels, Hammer impact AC, Hammer 570 cams, and Rush slipons.
The Map I have is Stock will Hammer AFR and Timing tables, dialed in with PV AutoTune.
Have been running that for about 9 months with no trouble, very strong tune.
The idle thing is a recent development.
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  #13  
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Hi, I have a 2011 that developed the same problem. Fast idle slow to return to normal idle. Then would stay at approximately 2000 rpm. I have the DynaJet PV system installed and have not had any issues for over a year after installing it. I replaced the rear heat temperature sensor, and the IAC valve. When I started the bike, and took it for a ride, the idle stayed high. So I hooked up the PV display and looked at the idle. It was around 1800 rpm, so I changed the setting back to 1050. The next day, I took the bike for another ride, and the fast idle was back. Again hooked up the PV display and found another screen where I could adjust the idle fuel trim. I pressed that button and the idle returned to normal. Its been fine ever since. Just wanted to pass along what worked for me.
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