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Ugh...check engine light is on #394211
22/09/16 02:10 PM
22/09/16 02:10 PM
Joined: Apr 2016
Posts: 241
Maryland, USA
NickValentine Offline OP
L - Learner Plates On
NickValentine  Offline OP
L - Learner Plates On

Joined: Apr 2016
Posts: 241
Maryland, USA
Gorgeous day. Headed out for a longer trip, and noticed 10 minutes in that the check engine light is on. Nearest dealer is an hour and forty minutes away. I assume a motorcycle shop might be able to tell me why the light is on?

Re: Ugh...check engine light is on [Re: NickValentine] #394217
22/09/16 02:30 PM
22/09/16 02:30 PM
Joined: May 2016
Posts: 541
North West USA
T
Timothy Offline
Talk Morgan Regular
Timothy  Offline
Talk Morgan Regular
T

Joined: May 2016
Posts: 541
North West USA
They will need S&S® Cycle Diagnostic software, if they don't have they can get from their website for free. I would take it back to your dealer if it was me.


1998 +8
SS Sport tuned exhaust

2013 M3W
Stage ll motor kit
Cats removed
Re: Ugh...check engine light is on [Re: Timothy] #394222
22/09/16 03:09 PM
22/09/16 03:09 PM
Joined: Jul 2013
Posts: 3,391
West Sussex, UK
Chris99 Online content
Talk Morgan Addict
Chris99  Online Content
Talk Morgan Addict

Joined: Jul 2013
Posts: 3,391
West Sussex, UK
Had you just filled up with petrol?

It's easy to overfill and this can sometimes cause the check light to come on.





Red Leader drive
Re: Ugh...check engine light is on [Re: NickValentine] #394224
22/09/16 03:19 PM
22/09/16 03:19 PM
Joined: Apr 2016
Posts: 241
Maryland, USA
NickValentine Offline OP
L - Learner Plates On
NickValentine  Offline OP
L - Learner Plates On

Joined: Apr 2016
Posts: 241
Maryland, USA
Filled up yesterday before putting it in the garage. It jumped from mid ninety percent to one hundred percent once I started driving. Once it's cool I'll check all fluids and open the gas tank in case it is a pressure problem, and give it another try

Re: Ugh...check engine light is on [Re: NickValentine] #394230
22/09/16 03:43 PM
22/09/16 03:43 PM
Joined: Apr 2016
Posts: 241
Maryland, USA
NickValentine Offline OP
L - Learner Plates On
NickValentine  Offline OP
L - Learner Plates On

Joined: Apr 2016
Posts: 241
Maryland, USA
Fuel says 75%. Running with the cap off didn't shut off the light. Not sure if that just goes off on its own if it is that issue.

Re: Ugh...check engine light is on [Re: NickValentine] #394242
22/09/16 04:24 PM
22/09/16 04:24 PM
Joined: Sep 2010
Posts: 2,130
Wales
T
Taffmog Offline
Talk Morgan Expert
Taffmog  Offline
Talk Morgan Expert
T

Joined: Sep 2010
Posts: 2,130
Wales
Overfilling can bring the light on. Try disconnecting the battery for 5 minutes and see if that's resets it.


1969 4/4
1995 plus 8
2002 Aero S1
2013 M3W
2014 Plus 8
Re: Ugh...check engine light is on [Re: NickValentine] #394269
22/09/16 05:36 PM
22/09/16 05:36 PM
Joined: Jul 2014
Posts: 1,670
Newcastle Upon Tyne
James B W Online content
Talk Morgan Enthusiast
James B W  Online Content
Talk Morgan Enthusiast

Joined: Jul 2014
Posts: 1,670
Newcastle Upon Tyne
I think this called 'raining on your parade....' doh

James


Aero8 , Series 1 - Boston Green
Range Rover Evoque S
Smart Brabus Convertible
Honda Monkey Z125
Re: Ugh...check engine light is on [Re: NickValentine] #394313
22/09/16 07:39 PM
22/09/16 07:39 PM
Joined: Oct 2014
Posts: 4,992
Austria, Vienna area
The Austrian Offline
Part of the Furniture
The Austrian  Offline
Part of the Furniture

Joined: Oct 2014
Posts: 4,992
Austria, Vienna area
I had the engine light going on last November.
No loss of power or any other mis-behavior of the engine.
They did not find a reason why the light went on.

Finally I got a new ECU as the car was still under warranty.


Hannes
once: Green M3W; 2013
now: Red 4/4 Sport; 2011
and some practical cars for use in real life
Re: Ugh...check engine light is on [Re: NickValentine] #394335
22/09/16 08:32 PM
22/09/16 08:32 PM
Joined: Apr 2013
Posts: 1,301
Southern Vermont
Michael H Offline
Has a lot to Say!
Michael H  Offline
Has a lot to Say!

Joined: Apr 2013
Posts: 1,301
Southern Vermont
This has been happening to me and the only other definitive time it did was when the exhaust manifold cracked and sheered off just below the bolts on the engine. The oxygen sensor mounted just after the first curve went nuts. Check engine light lit. When I mounted a new manifold the light stayed lit for awhile and now it is intermittent. It drives me crazy. Everything on the motor checks out and it IS a very simple engine, mechanically. The biggest snafu will be oil or lack of it and that has its own lamp!


What's your mileage? Who cares. Is it practical? See #1. What happens when it rains? You get wet.
Re: Ugh...check engine light is on [Re: NickValentine] #394378
22/09/16 10:17 PM
22/09/16 10:17 PM
Joined: Dec 2014
Posts: 42
California
jshiffer2 Offline
Just Getting Started
jshiffer2  Offline
Just Getting Started

Joined: Dec 2014
Posts: 42
California
This is a common problem with mine. I ignore the yellow warning light now. I had a couple cables connected to sensors that were too close to the engine and got hot and caused the light to come on. A mechanic fixed that and the light stayed off for several thousand miles but it is back intermittently now.

Another possible cause is if you get a crack in a muffler and the exhaust back pressure is wrong. One crack and the electronics can't compensate. I found with both mufflers cracked the light went out again. I have a Brooklands so exhaust cracks are a problem for me.


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