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Author Topic: Loose Fuel Cap = Check Engine Light???  (Read 137 times)

Heli_av8tor

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Loose Fuel Cap = Check Engine Light???
« on: July 17, 2017, 08:32:40 AM »
My fuel cap fits loose enough to rattle and is definitely not sealing.

Should this be generating an error code and illuminating the Check Engine light like is does on my cars? (It is not.)

Thanks, Tom
Tom & Theresa
2004 Pace Arrow 37C
Workhorse W22, 8.1 Vortec
2014 Honda CR-V Toad, Roadmaster -5 Base and tow bar
SMI Stay and Play Duo Brake system

Gary RV_Wizard

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Re: Loose Fuel Cap = Check Engine Light???
« Reply #1 on: July 17, 2017, 08:58:58 AM »
I don't think so. As far as I know, the fuel system on medium & heavy trucks does not have the vapor capture system that is required on most cars. The tank is vented.

That said, I would still be looking for the proper size fuel cap.
Gary
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Gary Brinck
Summers: Black Mountain, NC
Home: Ocala National Forest, FL

 

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