Idle Surge after warmup then dies.


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Uptwobucks
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Idle Surge after warmup then dies.

Post by Uptwobucks » Sun Jul 08, 2018 10:02 am



2002 GL1800: This started yesterday. We fill up with gas then took off for a Saturday ride. After about 30 miles, I could feel surging at 60 mph. I pulled over and stoped, then the engine died. Started back up but then dies within seconds. I managed to fight the bike back home. I thought maybe water in the fuel so I pumped out all of the fuel, filled back up and then added Deet to the gas. This did not help and no evidence of water in the fuel was present. This morning at cold start the engine ran very smooth as if nothing was wrong. After about two minutes the surging started again and the engine died.

Before this happened, I have very recently had spark plugs changed, air filter change, brake pads, oil change, coolant change, tires, and other items not related to the engine.

Any thoughts on this issue?



DaveO430
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Re: Idle Surge after warmup then dies.

Post by DaveO430 » Sun Jul 08, 2018 4:36 pm

Did it show any flash codes?

Uptwobucks
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Re: Idle Surge after warmup then dies.

Post by Uptwobucks » Sun Jul 08, 2018 5:42 pm

No codes that I can see. I’m not familiar with how to get the codes.

Here is a video I just made from a cold start, about 4 minutes long.




DaveO430
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Re: Idle Surge after warmup then dies.

Post by DaveO430 » Mon Jul 09, 2018 5:44 am

My best guess at the moment is the fuel pump or fuel pump relay is failing.

Uptwobucks
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Re: Idle Surge after warmup then dies.

Post by Uptwobucks » Mon Jul 09, 2018 8:12 am

That was also my guess, but I suppose today I’ll take it to a professional. Thanks for your input.

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huggiebear
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Re: Idle Surge after warmup then dies.

Post by huggiebear » Wed Jul 11, 2018 6:15 pm

Looks like the fuel filter is full of dirt, when you start the bike the pumps pumps fuel through the the filter which will push the dirt towards the front closing the discharge and the engine is not getting enough fuels and dies, then you let it rest and the dirt becomes loose and the engine starts again to replete the same thing. It's a possibility!
Maybe too late for this post

Uptwobucks
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Re: Idle Surge after warmup then dies.

Post by Uptwobucks » Wed Jul 11, 2018 8:54 pm

I put it in the repair shop and they say the ECM was malfunctioning. BUT, I have not received it back so I have not confirmed that the ECM was actually the issue. Once I find out and confirm, I will post it. I will be concerned if they also call me and say the fuel pump is also bad. Then we have an issue because I will feel as if they are guessing on my dollar.

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dragon2000
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Re: Idle Surge after warmup then dies.

Post by dragon2000 » Sat Jul 14, 2018 4:22 pm

Uptwobucks wrote:
Wed Jul 11, 2018 8:54 pm
I put it in the repair shop and they say the ECM was malfunctioning. BUT, I have not received it back so I have not confirmed that the ECM was actually the issue. Once I find out and confirm, I will post it. I will be concerned if they also call me and say the fuel pump is also bad. Then we have an issue because I will feel as if they are guessing on my dollar.
DId you receive a response from the Repair Shop? My 09 Wing is starting to do the same after it is warmed up.

Thanks,

Steve
Steve

Dragon2000

Remember - You Meet the Nicest People Riding a Honda!

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Ontario, Canada

Uptwobucks
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Re: Idle Surge after warmup then dies.

Post by Uptwobucks » Sat Jul 14, 2018 7:39 pm

I have not received it back yet. The ECM has not arrived as of last Friday. They seem to be firm about their decision of the ECM being bad. I'll post it here once I know but that doesn't mean yours has the same issue.

Techdude2000
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Re: Idle Surge after warmup then dies.

Post by Techdude2000 » Sat Jul 14, 2018 10:54 pm

Did they confirm the operating voltage at the ECM. 1800s can develop a bad connection in a junction connector(C5) that robs the whole FI system of power and can cause your symptoms. C5 is wrapped up in the main harness just in front of the relay bank under the seat. Search the Internet for issues with C5/C25 and you will find lots of info on another wing board about it.

Uptwobucks
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Re: Idle Surge after warmup then dies

Post by Uptwobucks » Sun Jul 15, 2018 6:36 am

I was told the ecm was tested and the results indicated it was bad. I do not know if that is done on or off the bike. This is a specialty shop and a one man operator. He only works on Goldwing trikes and has been doing so for many years. I was told by others he is the best around. The results of his diagnosis is yet to been revealed.

Techdude2000
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Re: Idle Surge after warmup then dies

Post by Techdude2000 » Sun Jul 15, 2018 9:12 am

Uptwobucks wrote:
Sun Jul 15, 2018 6:36 am
I was told the ecm was tested and the results indicated it was bad. I do not know if that is done on or off the bike. This is a specialty shop and a one man operator. He only works on Goldwing trikes and has been doing so for many years. I was told by others he is the best around. The results of his diagnosis is yet to been revealed.
Ok, hopefully his diagnosis is correct and it doesn’t cost you the price of an unneeded ECM bill. Please keep us posted.

Uptwobucks
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Re: Idle Surge after warmup then dies. - Fixed

Post by Uptwobucks » Thu Jul 19, 2018 4:22 pm

The issue was the computer. After riding it after the computer was changed I’m noticing the engine is running much smoother and quieter than before, has more power and the idle issue is nonexistent. Engine was misfiring on random cylinders at high speeds but I throught it was an occasional road bump. Silly me. Mechanic says gas mileage should noticeably improve. I haven’t drove it but 20 miles since the computer replacement so I have yet to fill up and check gas mileage. Currently it’s 99 degrees, if it cools down this evening to a reasonable riding temperature I may go for a ride.

Techdude2000
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Re: Idle Surge after warmup then dies. - Fixed

Post by Techdude2000 » Thu Jul 19, 2018 4:34 pm

Uptwobucks wrote:
Thu Jul 19, 2018 4:22 pm
The issue was the computer. After riding it after the computer was changed I’m noticing the engine is running much smoother and quieter than before, has more power and the idle issue is nonexistent. Engine was misfiring on random cylinders at high speeds but I throught it was an occasional road bump. Silly me. Mechanic says gas mileage should noticeably improve. I haven’t drove it but 20 miles since the computer replacement so I have yet to fill up and check gas mileage. Currently it’s 99 degrees, if it cools down this evening to a reasonable riding temperature I may go for a ride.
Great! Glad it’s straightened out.

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Asphaltmaniac
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Re: Idle Surge after warmup then dies.

Post by Asphaltmaniac » Wed Aug 01, 2018 11:42 pm

Did the tech say why the ECM went belly up??? I do my own work and the ECM is removed to get at the Airfilter...I'm wondering if there was static electricity build up when they handled it for AF service or maybe it was dropped??? I wonder???..I've had mine out many times but never worried about static electricity ruining it?

Uptwobucks
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Re: Idle Surge after warmup then dies.

Post by Uptwobucks » Thu Aug 02, 2018 6:51 am

All I know is it tested bad. The test showed it was misfiring on random cylinders. I don't know what caused the issue.

Techdude2000
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Re: Idle Surge after warmup then dies.

Post by Techdude2000 » Thu Aug 02, 2018 7:28 am

Asphaltmaniac wrote:
Wed Aug 01, 2018 11:42 pm
Did the tech say why the ECM went belly up??? I do my own work and the ECM is removed to get at the Airfilter...I'm wondering if there was static electricity build up when they handled it for AF service or maybe it was dropped??? I wonder???..I've had mine out many times but never worried about static electricity ruining it?
The 01-05 ECMs do fail at a higher rate than the newer model years. They usually throw a code for one of the knock sensors and then starts running badly after it warms up. I don’t think anyone has analyzed one of them to see what fails in it, but whatever it is it becomes temperature sensitive first and runs good until it’s warmed up.

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Asphaltmaniac
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Re: Idle Surge after warmup then dies.

Post by Asphaltmaniac » Thu Aug 02, 2018 8:34 am

Techdude2000 wrote:
Thu Aug 02, 2018 7:28 am
Asphaltmaniac wrote:
Wed Aug 01, 2018 11:42 pm
Did the tech say why the ECM went belly up??? I do my own work and the ECM is removed to get at the Airfilter...I'm wondering if there was static electricity build up when they handled it for AF service or maybe it was dropped??? I wonder???..I've had mine out many times but never worried about static electricity ruining it?
The 01-05 ECMs do fail at a higher rate than the newer model years. They usually throw a code for one of the knock sensors and then starts running badly after it warms up. I don’t think anyone has analyzed one of them to see what fails in it, but whatever it is it becomes temperature sensitive first and runs good until it’s warmed up.
I betcha somebody knows... ;)



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