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783 views 4 replies 4 participants last post by  weedahoe 
#1 ·
So today I do the seatbelt chime mod, and when I am done I start the truck and now my check engine light is on. Take it to autozone they run codes comes up with a p0456-- evap leak. Anyone else have this ?
 
#2 ·
check the gas cap
 
#3 ·
#4 ·
On the back of the gas cap, you need to put some baby oil on the O-ring. Do that for a few days and your cap with work just fine. I get the code from time-to-time and it's just a dry O-ring.

:)
 
#5 ·
Also check the vacuum lines on the canister. It is under the truck and in front of the fuel tank.
 
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