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Old 03-15-2013, 01:47 AM   #2056
Gustavo.Ramos
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Originally Posted by Zuber View Post
I fires the coils, just like when running. Pull the plugs, connect and lay on the heads. You should see sparks.
But when in place, engine off, do you actually hear the clicking/sparking?
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Old 03-15-2013, 12:14 PM   #2057
Rideimal
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fuel pump test

I'm having a stalling issue that I think might be related to my fuel pump. I see that there's a fuel pump test function in TuneECU but I don't know how to use it. I click the button and it says that it's doing the test and records that a test was preformed, but I don't see any results. Can someone explain to me the specific way in which I'm being an idiot?
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Old 03-15-2013, 01:27 PM   #2058
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Quote:
Originally Posted by Rideimal View Post
I'm having a stalling issue that I think might be related to my fuel pump. I see that there's a fuel pump test function in TuneECU but I don't know how to use it. I click the button and it says that it's doing the test and records that a test was preformed, but I don't see any results. Can someone explain to me the specific way in which I'm being an idiot?
When testing, there is a little yellow light near the fuel pump test in tune ecu and you will hear the pump cycling like if you turned the key on.
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Old 03-15-2013, 01:39 PM   #2059
Rideimal
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Originally Posted by Gustavo.Ramos View Post
When testing, there is a little yellow light near the fuel pump test in tune ecu and you will hear the pump cycling like if you turned the key on.
And if you hear it cycling, then the FP is still good?
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Old 03-15-2013, 02:01 PM   #2060
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Originally Posted by Rideimal View Post
And if you hear it cycling, then the FP is still good?
Not exactly. If the pump was inoperative, the engine wouldn't run due to lack of fuel pressure to the injectors.

You can also have a fuel pump cycling but not generating the necessary pressure.

It's more common to have the fuel filters inside the fuel pump clogged thus difficulting the fuel flow.

Try swapping tanks with another mate with a 990Adv to figure out if it is infact the FP. It's fairly simple... if you don't have crash bars!
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Old 03-15-2013, 02:23 PM   #2061
Rideimal
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Originally Posted by Gustavo.Ramos View Post
Not exactly. If the pump was inoperative, the engine wouldn't run due to lack of fuel pressure to the injectors.

You can also have a fuel pump cycling but not generating the necessary pressure.

It's more common to have the fuel filters inside the fuel pump clogged thus difficulting the fuel flow.

Try swapping tanks with another mate with a 990Adv to figure out if it is infact the FP. It's fairly simple... if you don't have crash bars!
Thanks for the help Gustavo. Unfortunately I don't know anyone nearby with a 990. When I do the test I do hear something - sounds like a solenoid or something. Is this what the cycling sounds like?

Also, how do I distinguish a problem with the pump itself from a problem with clogged filters? I assume that clogged filters result in a gradual loss of pressure and hence a gradual loss of performance. What happens when the pump itself dies? Does it die all at once, or does it gradually lose pressure? I'd rather not replace the pump if it isn't necessary.
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Old 03-15-2013, 02:49 PM   #2062
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Quote:
Originally Posted by Rideimal View Post
Thanks for the help Gustavo. Unfortunately I don't know anyone nearby with a 990. When I do the test I do hear something - sounds like a solenoid or something. Is this what the cycling sounds like?

Also, how do I distinguish a problem with the pump itself from a problem with clogged filters? I assume that clogged filters result in a gradual loss of pressure and hence a gradual loss of performance. What happens when the pump itself dies? Does it die all at once, or does it gradually lose pressure? I'd rather not replace the pump if it isn't necessary.
When you flip the key on, engine switch on, you hear the FI cycling, correct? Most of that sound comes down from left tank, then there is a more metalic sound from the throttle bodies secondary butterflies.

Testing the pump does a very similar noise.

About problem with the pump and fuel filters, can't help here. The filters should be serviced once in a while, there is extensive material in ADVRider about them and their lookalikes.

You can order a service kit, and see if it solves the problem.

About pump failure, dunno if it goes off suddendly or might loose pressure.

What do you feel wrong with your bike?
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Old 03-15-2013, 03:14 PM   #2063
Rideimal
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Quote:
Originally Posted by Gustavo.Ramos View Post
When you flip the key on, engine switch on, you hear the FI cycling, correct? Most of that sound comes down from left tank, then there is a more metalic sound from the throttle bodies secondary butterflies.

Testing the pump does a very similar noise.

About problem with the pump and fuel filters, can't help here. The filters should be serviced once in a while, there is extensive material in ADVRider about them and their lookalikes.

You can order a service kit, and see if it solves the problem.

About pump failure, dunno if it goes off suddendly or might loose pressure.

What do you feel wrong with your bike?

It was running fine, then it stalled at a stoplight. It had a hard time starting back up and would only run for thirty seconds or so. That was yesterday - today it won't start at all. No error codes, no recent work on the bike, nothing obvious. I would have thought the fuel filters are clogged, but I would expect that to come on more slowly and to initially just cause a loss of power in the midrange as others have reported. That never happened for me - everything went from fine to not starting at all in five minutes.

And DAMN those fuel pumps are expensive!

Anything else it could be? I'm all ears...
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Old 03-15-2013, 03:28 PM   #2064
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It was running fine, then it stalled at a stoplight. It had a hard time starting back up and would only run for thirty seconds or so. That was yesterday - today it won't start at all. No error codes, no recent work on the bike, nothing obvious. I would have thought the fuel filters are clogged, but I would expect that to come on more slowly and to initially just cause a loss of power in the midrange as others have reported. That never happened for me - everything went from fine to not starting at all in five minutes.

And DAMN those fuel pumps are expensive!

Anything else it could be? I'm all ears...
got fuel, or the right fuel!?

Don't want to misslead you, i've never had a problem with 990 Fuel pump, only the usual 950 FP of previous bike, but from your description *could* be a bad pump.

Maybe someone else might add some insights?
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Old 03-16-2013, 12:43 AM   #2065
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Fuel pump problems?

Quote:
Originally Posted by Rideimal View Post

And DAMN those fuel pumps are expensive!

Anything else it could be? I'm all ears...
If you checked the fuel pump and found this is to blame, I have chinese replacement I am selling.
Cheers
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Old 03-16-2013, 05:25 PM   #2066
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Adjusting throttle cables

I adjusted the throtle cables, bike then had a hesitation at about the 4K rpm mark - but was rideable.

I then hooked up Tune ECU to the bike -
Selected 'adjust throttle cables' it then instructs you to turn the ignition off (I did at the key).

I adjusted throtle cable (pull only).

In the interim Tune ECU reported that the connection had been lost.
I restored the connection.

What should I do now?? Tune ECU does not seem to recognise that I'm back from throtle cable adjustment for it to finish what ever it needs to do.

The bike runs worse than ever - it now stalls from idle...
Any ideas??
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Old 03-16-2013, 06:16 PM   #2067
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Bandwidth?

Anyone else try to down load tuneecu software lately? seams that the site is not working to download due to bandwidth issues?
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Old 03-16-2013, 06:38 PM   #2068
Gustavo.Ramos
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Anyone else try to down load tuneecu software lately? seams that the site is not working to download due to bandwidth issues?
Use this link:

http://www.tomhamburg.net/Tunes_in_H...eECUv2.5.2.zip
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Old 03-16-2013, 08:06 PM   #2069
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Sweet thanks
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Old 03-17-2013, 12:25 AM   #2070
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Quote:
Originally Posted by KTM Pilot View Post
I adjusted the throtle cables, bike then had a hesitation at about the 4K rpm mark - but was rideable.
>>> Most have a hesitation in the 4k range, just the tuning<<<
I then hooked up Tune ECU to the bike -
Selected 'adjust throttle cables' it then instructs you to turn the ignition off (I did at the key).
>>> Correct, but this looses connection.<<<
I adjusted throtle cable (pull only).
>>> Should adjust the RETURN cable so it is loose and hits the hard stop at the throttle and doesn't pull against the throttle body. Adjust the pull cable to have a little play<<<

In the interim Tune ECU reported that the connection had been lost.
I restored the connection.

What should I do now?? Tune ECU does not seem to recognise that I'm back from throtle cable adjustment for it to finish what ever it needs to do.

The bike runs worse than ever - it now stalls from idle...
Any ideas??
>>>Adjust the cables as above, get an electronic balance tool and adjust the throttle body balance, reset adaptation and 15 min idle. <<<
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