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post #1 of 16 (permalink) Old 01-08-2012, 10:39 AM Thread Starter
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Greetings all.My brother just bought ana 86 ASPY with the preverbial erratic idle and slow throttle response at lower RPM's. I am trying to resolve a problem for him. The computer indicates a bad TPS with W steady and 0 + 1 flashing.The FUEL SYSTEM light is ON STEADY . I have read many forum subject post regarding this matter and still cant seem to isolate the cause after throwing many parts and hours at the problem. I am seeking wisdom, guidance and experience from you wingers out there who have been down this same road. This is a long post so bear with me.


TPS sensorreplaced with a used sensor thatchecked to specs. Reference voltage and return Voltages back to the computer were good. Smooth resistance operation and voltage increase/decrease were smooth and within specs. 3 pin connector male and female replaced. DISCONNECTED TPS 3 PIN CONNECTOR AND STILL GET SAME ECU CODE


pbl/pbr swapped with each other and a pair of used ones that I purchased. Vaccum lines to the sensors were replaced.

gl/gr replaced with a new set

NS sensor replaced with NEW / Modified from 85 LTD

ECU SWAPPED: Both ECU's display the same code when the ignition is FIRST switched to ON. Engine NOT Running.



Cone filter cleaned at fuel pump inlet

Previous owner had the throttle bodies sync'ed, Modified TPS installed ( I replaced with a used one ) fuel filter replaced, New orings for injector 1, cleaned and tested all injectors, greased all electrical connections on injection harness , compression checked the bike, all GOOD, replaced all exhaust gaskets.

I suspect an electrical signal problem somewhere in the injection harness as I get the code on both ECU's when the key is first turned on but not sure where to go from here. If the bike were running and pressures and flows were involved with the code displayed I obviously would have more to troubleshoot. Talk to me Honda SEI experts! What say ye? Thank you all

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post #2 of 16 (permalink) Old 01-08-2012, 11:28 AM
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post #3 of 16 (permalink) Old 01-08-2012, 11:34 AM
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Welcome, WelcomeTo Steve Saunders GoldwingForum.If you have any questions no matter how trivial they may seem this forum is the place to ask them. What I have noticed is that some of the people here were 'sin their previous lives and can answer any question you have. Theforums that I get the most from are::

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These have the best info aboutGoldwing’s and are where you ask questions and can get help..

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post #4 of 16 (permalink) Old 01-08-2012, 02:38 PM
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[align=center]Welcome cal757[/align]

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post #5 of 16 (permalink) Old 01-08-2012, 02:39 PM
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post #6 of 16 (permalink) Old 01-08-2012, 02:39 PM
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Welcome from Oklahoma Enjoy the wing

Ride Safe and Ride Often, Keep the Shiny Side up and Many Happy Miles and Smiles.

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post #8 of 16 (permalink) Old 01-08-2012, 06:07 PM
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post #9 of 16 (permalink) Old 01-09-2012, 04:16 AM
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post #10 of 16 (permalink) Old 01-09-2012, 09:22 AM
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WElcome to the Forum cal757!

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