Engie management lights turns on when riding
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Zombiejoe
Tue, 22 Nov 2022 07:58:55 +0000
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Zombiejoe
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Tue, 22 Nov 2022 07:58:55 +0000 quote
Engine management lights up when riding? When I come to a stop ignition cuts out ? Can restart but as soon as I stop happens again ?
Turn of engine off with key and restart works fine until engine management light comes on ?

Any ideas?
jimc
Tue, 22 Nov 2022 16:50:25 +0000
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jimc
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Tue, 22 Nov 2022 16:50:25 +0000 quote
Check the voltage at the battery when you rev it a bit - if it goes above 14.6V (going above 15V is a real tell) then your regulator has shorted out. This is not uncommon, and the CEL coming on when accelerating is a prime clue for this fault.

Also get the battery tested, as over-voltage will rapidly bring on battery death.
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Zombiejoe
Wed, 23 Nov 2022 07:56:12 +0000
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Zombiejoe
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Wed, 23 Nov 2022 07:56:12 +0000 quote
Thanks will do
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Zombiejoe
Wed, 23 Nov 2022 16:55:29 +0000
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Zombiejoe
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Wed, 23 Nov 2022 16:55:29 +0000 quote
Hi jimc

Check battery reading idle 12.34v slight rev max going to 14.2v ?

Would this still be the regulator?
sbaert
Wed, 23 Nov 2022 19:09:14 +0000
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sbaert
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Wed, 23 Nov 2022 19:09:14 +0000 quote
Seems like the regulator is working fine. If anything, output especially at idle is on the (very) low end bordering undercharging.

Next suspect is oxygen sensor. What type of fuel do you use and how often is the bike driven & for how long?

A bike that is only used for very short trips may never get the chance to fully charge the battery, which is why I always recommend a smart charger such as a Optimate 4 for any bike.
Positive
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Zombiejoe
Sun, 27 Nov 2022 02:12:33 +0000
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Zombiejoe
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Sun, 27 Nov 2022 02:12:33 +0000 quote
Use unleaded petrol , travel daily to work 3 hours riding there and back around 120 miles a day. Work in London
sbaert
Sun, 27 Nov 2022 07:50:33 +0000
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sbaert
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Sun, 27 Nov 2022 07:50:33 +0000 quote
How many miles or kms on the bike? And has the battery been load tested? Ditto on battery age. A static voltage reading is pretty much meaningless.
Jah
Thu, 01 Dec 2022 18:49:14 +0000
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Jah
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Thu, 01 Dec 2022 18:49:14 +0000 quote
Could be oxygen sensor. Its readings are used only within specific RPMs, so maybe it is not checked on idle.
SteelBytes
Thu, 01 Dec 2022 22:02:33 +0000
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SteelBytes
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Thu, 01 Dec 2022 22:02:33 +0000 quote
Jah wrote:
Could be oxygen sensor. Its readings are used only within specific RPMs, so maybe it is not checked on idle.
the o2 sensor is used during mid to low rpm including idle. it's not used at high rpm.
SteelBytes
Thu, 01 Dec 2022 22:05:05 +0000
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SteelBytes
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Thu, 01 Dec 2022 22:05:05 +0000 quote
Zombiejoe wrote:
Use unleaded petrol
what RON? 91,95,98,E10, ...
Zombiejoe wrote:
Check battery reading idle 12.34v slight rev max going to 14.2v ?
does the 12.34 remain at that when idling for a few minutes? or does it creep up to 14?
jimc
Thu, 01 Dec 2022 22:06:38 +0000
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jimc
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Thu, 01 Dec 2022 22:06:38 +0000 quote
Zombiejoe wrote:
Hi jimc

Check battery reading idle 12.34v slight rev max going to 14.2v ?

Would this still be the regulator?
Slight rev no use. Rev to at least 3,000 rpm.
SteelBytes
Thu, 01 Dec 2022 22:10:16 +0000
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SteelBytes
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Thu, 01 Dec 2022 22:10:16 +0000 quote
jimc wrote:
Slight rev no use. Rev to at least 3,000 rpm.
my HPE holds 14 while idling at 1700-ish. although iirc it does take several seconds after first start in the morning to reach that

Last edited by SteelBytes on Thu, 01 Dec 2022 22:15:20 +0000; edited 1 time
jimc
Thu, 01 Dec 2022 22:12:44 +0000
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jimc
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Thu, 01 Dec 2022 22:12:44 +0000 quote
My old Fuoco needed higher revs than that. You can't assume that an HPE's system is similar to an older 500.
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