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crabcake

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crabcake Enthusiast

crabcake

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Would like to know if anyone has had this problem before. I have a 2013 GMC 1500 Extended Cab 4x4. 38,400 miles. Bought it brand new. No issues. Now a message began to appear to tighten the gas cap. Checked that and seems okay. Now the engine light stays on. The message quit appearing. Any ideas?

 

 

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SouthernSilveradoGuy85 Senior Enthusiast

SouthernSilveradoGuy85

Posted
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Have it reset at an auto parts store that scans codes since the scan tools allow you to reset the codes. Or you can disconnect the battery for a few minutes and then reconnect, that will reset the computer.

Swimmer8366 Enthusiast

Swimmer8366

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Gasket on cap isn't cracked or anything? I would just do an evap smoke test on her. Find leak. Or find out there is no leak and cap just was not tightened all way one fill up.

 

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  • 7 months later...
crabcake Enthusiast

crabcake

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Update on the engine light and tighten gas cap indicator. I recently bought a brand new gas cap and that didn’t help. I did reset it by disconnecting the battery. Been 2 weeks now and no light indicator on so far! [emoji16]


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muddkatt Senior Enthusiast

muddkatt

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If the tighten gas cap indicator comes back on, or you notice it hard to start immediately after refueling, change the purge valve. Buy an AC Delco, the store brands and Dorman's don't seem to last but about 6 months.

crabcake Enthusiast

crabcake

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If the tighten gas cap indicator comes back on, or you notice it hard to start immediately after refueling, change the purge valve. Buy an AC Delco, the store brands and Dorman's don't seem to last but about 6 months.

Thanks for the information.


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  • 1 month later...
crabcake Enthusiast

crabcake

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Thanks for the information.


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Could you show me a pic of where this purge valve is located? Engine light still comes on.


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  • 3 weeks later...
crabcake Enthusiast

crabcake

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Replaced the purge valve today. We’ll see.


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It’s been 2 weeks now since I replaced the purge valve. Engine light has not come on, but the “tighten gas cap” had come on twice!


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