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Fuel smell and error code


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Posted

So for about 3 days I could smell gas coming from the rear of the truck. Seems like its right around the tank. Day 3 I got a error code. Havent got a chance to climb under the truck and really inspect stuff, but its not leaking gas. We had a few days of rain and nothing in the driveway showing gas leaking. Fuel cap is tight. I cleared the code but it came right back.

 

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Posted

If you smell gas you are leaking gas. Had the same problem, no gas spots on the driveway. Turned out to be a rusted out sending unit ring on the gas tank. Get under the truck with it running and inspect for gas coming down the side of the tank.

Posted

So oddly enough, the light went out and the code is gone. Gonna take the bed off here soon, have a look at the sending unit ring like suggested.

Posted

Don't need to take the bed off. Let it idle and get underneath. Look and feel the side of the tank. If its leaking there you will know right away.

Posted

Yes, replace the whole fuel pump, fuel pump assembly. Only use OEM GM pump, the others do not have the longevity of the OEM pump.

Posted

Yes, replace the whole fuel pump, fuel pump assembly. Only use OEM GM pump, the others do not have the longevity of the OEM pump.

^^^ AC Delco pump

Posted

So I got the pump. Issue I have now is two of the lines off the pump, the tips are rotted out and just broke off. For the life of me, I can't find these two lines in the parts catalogs. Any ideas?

 

This one and the return line to the left of this

 

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