Gas cap light on no other codes?

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RamRod302

Member
Joined
Dec 24, 2021
Posts
56
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4
Location
Pleasant prairie Wisconsin
Ram Year
2008
Engine
4.7 ho
I have the gas cap displayed on my dash but no codes pending or stored. Replaced the gas cap and purge solenoid and looked for cracks. Found nothing. Soon as I start the truck up instantly get gas cap displayed on the dash. Any ideas what else could cause this or does it need multiple good heat cycles to clear on its own? I have a leak detection pump ready to replace but wanted to see what everybody else thinks. Thanks
 
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