2006 Chevy Colorado CODES: P0452 & P0463

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Mar 10, 2008
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#1
Hello to everyone and thanks for such a great forum. . .
I own a 06 Chevy Colorado with the 4cyl Engine, M/T, Air, Cruise, & Ext Cab. (1/2 Rear Doors) which has about 26,000 Miles on it Currently. 2 Days ago the Check engine Light Came on and the Fuel Gauge Quit Working, when I attached my Code Reader It pulled the following TWO Codes (BOTH TWICE) 1: P0452 Evap. Emis. Syst. Sens/Sw Low Input & P0463 Fuel Level A Circuit High Input. Could ANYONE Out There Give me a More Useable Definition of these Codes and possibly explain why they would be duplicated in my ECU? After I erased them they came right back up. As Far as how the Truck Runs We Have Noticed No Change in Anything.

Thanks In Advance for All The Help!

a_cmc_2b
 
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#2
You need to check your EVPA vent system.
Is the gas cap good and 3 clicks tight?
Any fill up with engine running?
What is the mileage?
Any warranty left on it?