OP
@rocklanddad avatar
UTC

Hooked
2022 VESPA GTS 300
Joined: UTC
Posts: 356
Location: Pearl River, NY '
 
Hooked
@rocklanddad avatar
2022 VESPA GTS 300
Joined: UTC
Posts: 356
Location: Pearl River, NY '
UTC quote
My light has gone on a few times lately. On and off. But now it's been off for a while. Is there a chance whatever was going on may have corrected itself
@cdwise avatar
UTC

Veni, Vidi, Posti
GTS 300, Buddy 125
Joined: UTC
Posts: 8870
Location: Knoxville, TN
 
Veni, Vidi, Posti
@cdwise avatar
GTS 300, Buddy 125
Joined: UTC
Posts: 8870
Location: Knoxville, TN
UTC quote
It depends on what was causing the light. Gas related issues like spilling gas into the evap cannister will correct itself after it dries out for example.
@baba12 avatar
UTC

Molto Verboso
2018 Vespa 300 GTS Touring
Joined: UTC
Posts: 1355
Location: NYC
 
Molto Verboso
@baba12 avatar
2018 Vespa 300 GTS Touring
Joined: UTC
Posts: 1355
Location: NYC
UTC quote
My CEl was turning a few times then after a few days would go off. It was related to the evap cannister/gas. A few times after filling up the CEL would show up and then go away a few days later. A few posts about it like you here suggested it to be due to the evap stuff. Thereafter I have tried to overfill ...

Wonder if a dealer would read the error codes for you for a small fee or the fee would be steep to warrant such a investigation.
@giallo avatar
UTC

Addicted
GTS 300 hpe
Joined: UTC
Posts: 794
Location: NYC
 
Addicted
@giallo avatar
GTS 300 hpe
Joined: UTC
Posts: 794
Location: NYC
UTC quote
baba12 wrote:
Wonder if a dealer would read the error codes for you for a small fee or the fee would be steep to warrant such a investigation.
If the check engine light comes on because of things such as fuel overfill, there is a good chance the dealer won't be able to see an error code.
@steelbytes avatar
UTC

Veni, Vidi, Posti
2019 GTS300 Supertech E3 60,000km
Joined: UTC
Posts: 5730
Location: Batmania aka Melbourne, Australia
 
Veni, Vidi, Posti
@steelbytes avatar
2019 GTS300 Supertech E3 60,000km
Joined: UTC
Posts: 5730
Location: Batmania aka Melbourne, Australia
UTC quote
baba12 wrote:
Wonder if a dealer would read the error codes for you for a small fee or the fee would be steep to warrant such a investigation.
Probably cheaper to buy a code reader than pay the dealer (if you have an HPE)
@gildod avatar
UTC

Hooked
2020 GTS 300
Joined: UTC
Posts: 114
Location: Seattle
 
Hooked
@gildod avatar
2020 GTS 300
Joined: UTC
Posts: 114
Location: Seattle
UTC quote
Has the bike been sitting for a long time with out being started or on a battery tender?

A low voltage battery situation can cause this, until the battery is fully charged, once charged appropriately the light will turn off. Guessing you saw it the first couple rides of the season?
OP
@rocklanddad avatar
UTC

Hooked
2022 VESPA GTS 300
Joined: UTC
Posts: 356
Location: Pearl River, NY '
 
Hooked
@rocklanddad avatar
2022 VESPA GTS 300
Joined: UTC
Posts: 356
Location: Pearl River, NY '
UTC quote
Hey Gildod! No, hasn't been sitting - been riding daily
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