Spuratic idling please help
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Cruiser
Joined: May 2013
Posts: 127
Likes: 1
From: Poynette, Wisconsin
Spuratic idling please help
My dad just recently picked up a nice low milage 2003 FLHTC. The bike has been running great until the other day when the bike would not idle down and would fall on its face and misfire during midrange acceleration. This bike has a 88 cu inch with a SE 204 cam, rienhart true duals, PC III. It has a custom map for this cam and exhaust sent from Dynojet.
The bike will idle fast above 2200 rpm and will not idle down. When accelerating it pops and misfires. We tried changing the throttle position sensor, and egr or air control valve, " the one on the top of the throttle body". Also changed plugs and checked fuel assebley inside tank. Also tried unhooking the PC III thinking that could be the problem but the bike has the same symptoms as with the PC III. We did spray all around the intake and there apears to be no intake leaks. This bike has been running flawlessly for over 2000 miles and developed this problem while I was riding with him this weekend. Please help us figure this out.
The bike will idle fast above 2200 rpm and will not idle down. When accelerating it pops and misfires. We tried changing the throttle position sensor, and egr or air control valve, " the one on the top of the throttle body". Also changed plugs and checked fuel assebley inside tank. Also tried unhooking the PC III thinking that could be the problem but the bike has the same symptoms as with the PC III. We did spray all around the intake and there apears to be no intake leaks. This bike has been running flawlessly for over 2000 miles and developed this problem while I was riding with him this weekend. Please help us figure this out.
Road Captain
Joined: Mar 2006
Posts: 741
Likes: 11
From: West Central WI
My dad just recently picked up a nice low milage 2003 FLHTC. The bike has been running great until the other day when the bike would not idle down and would fall on its face and misfire during midrange acceleration. This bike has a 88 cu inch with a SE 204 cam, rienhart true duals, PC III. It has a custom map for this cam and exhaust sent from Dynojet.
The bike will idle fast above 2200 rpm and will not idle down. When accelerating it pops and misfires. We tried changing the throttle position sensor, and egr or air control valve, " the one on the top of the throttle body". Also changed plugs and checked fuel assebley inside tank. Also tried unhooking the PC III thinking that could be the problem but the bike has the same symptoms as with the PC III. We did spray all around the intake and there apears to be no intake leaks. This bike has been running flawlessly for over 2000 miles and developed this problem while I was riding with him this weekend. Please help us figure this out.
The bike will idle fast above 2200 rpm and will not idle down. When accelerating it pops and misfires. We tried changing the throttle position sensor, and egr or air control valve, " the one on the top of the throttle body". Also changed plugs and checked fuel assebley inside tank. Also tried unhooking the PC III thinking that could be the problem but the bike has the same symptoms as with the PC III. We did spray all around the intake and there apears to be no intake leaks. This bike has been running flawlessly for over 2000 miles and developed this problem while I was riding with him this weekend. Please help us figure this out.
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Joined: Dec 2007
Posts: 12,084
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My dad just recently picked up a nice low milage 2003 FLHTC. The bike has been running great until the other day when the bike would not idle down and would fall on its face and misfire during midrange acceleration. This bike has a 88 cu inch with a SE 204 cam, rienhart true duals, PC III. It has a custom map for this cam and exhaust sent from Dynojet.
The bike will idle fast above 2200 rpm and will not idle down. When accelerating it pops and misfires. We tried changing the throttle position sensor, and egr or air control valve, " the one on the top of the throttle body". Also changed plugs and checked fuel assebley inside tank. Also tried unhooking the PC III thinking that could be the problem but the bike has the same symptoms as with the PC III. We did spray all around the intake and there apears to be no intake leaks. This bike has been running flawlessly for over 2000 miles and developed this problem while I was riding with him this weekend. Please help us figure this out.
The bike will idle fast above 2200 rpm and will not idle down. When accelerating it pops and misfires. We tried changing the throttle position sensor, and egr or air control valve, " the one on the top of the throttle body". Also changed plugs and checked fuel assebley inside tank. Also tried unhooking the PC III thinking that could be the problem but the bike has the same symptoms as with the PC III. We did spray all around the intake and there apears to be no intake leaks. This bike has been running flawlessly for over 2000 miles and developed this problem while I was riding with him this weekend. Please help us figure this out.
He will get you squared away.
Scott
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