Author Topic: Engine Management Light  (Read 406 times)

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Offline NH

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Engine Management Light
on: February 22, 2021, 09:59:16 PM
Over the weekend I charged the battery up as it had gone flat (first time in 6 years) sitting in the garage for the past few months. When I took it out for a short run today the engine management light stayed on but the engine ran normally. After a stop after 20 miles I started up again and the light went out as normal. I'm assuming it was due to the battery being disconnected and reset itself after the short run, would this be right ?
Last Edit: February 22, 2021, 10:36:32 PM by NH
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Offline CaptainTrips

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Re: Engine Management Light
Reply #1 on: February 22, 2021, 10:34:50 PM
I think that you get the same after disconnecting the battery or keying on with the tank removed. It clears itself.
"The test of the machine is the satisfaction it gives you. There isn't any other test."   --   Robert M. Pirsig

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Offline sirsidneyrd

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Re: Engine Management Light
Reply #2 on: February 23, 2021, 08:52:23 AM
Yes I had this and while the 3 stop trick worked to remove the light a few weeks later it returned - I then replaced the 8 year old battery
Tiffen - splendid idea - in the lunge

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Offline NH

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Re: Engine Management Light
Reply #3 on: February 23, 2021, 01:33:53 PM
Hopefully it’ll be fine now as I’ve never had a charge problem, it’s just because it’s been sitting in the garage since last November. It’s never even been on an optimate.
Last Edit: February 23, 2021, 01:37:14 PM by NH
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Offline KenW

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Re: Engine Management Light
Reply #4 on: February 23, 2021, 07:18:13 PM
Six years is doing well on a battery.  As for eight... very good.

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Online XCaTel

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Re: Engine Management Light
Reply #5 on: February 23, 2021, 08:33:30 PM
*Originally Posted by KenW [+]
Six years is doing well on a battery.  As for eight... very good.

That's excellent. My 2018 battery lasted two years and then it was trashed. Bike ridden all year round and maintained on a tender. Just recently had its three year service and I asked the guys in the shop to check for any erroneous power draws. They left the bike to "go to sleep" after the service and the draw was well within accepted norms for a bike with an alarm apparently. I can only put it down to the Gen 3 battery type being a bit cheapo or I was unlucky with the first battery and had a bit of a dud.

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Online NorthumBryan

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Re: Engine Management Light
Reply #6 on: February 23, 2021, 08:39:39 PM
I bought a 650 V-Strom a few years ago and the battery lasted 5 weeks ! Clearly a duff batch as this topic was fairly common on a few 'strom forums. Replaced without drama under warranty by a Yamaha battery (true, they couldn't get one but my local Yam' dealer had one so they got the AA to collect & fit it).
Talking bollocks since 1965...

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Offline mjab

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Re: Engine Management Light
Reply #7 on: February 23, 2021, 09:34:53 PM
As others have said and I found out, 3 stops and restarts at temperature will see the light go out.
I don't use an optimate as I had a bad experience with one on more than one occasion but now connect a Halfords smart charger to the battery once a week and allow it to recharge the battery until it stops. So far so good with that
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