Check Engine, VSC lights back on

Scaiza1

New member
Hey guys,

Before I take it in to a mechanic I was hoping for some input on what else it could be. So those lights came about a month ago. I took it in to my mechanic in Texas (Now I live in Mass.) who replaced the char. canister for me. I also put a new gas cap on because the old one was loose. About 3,000 miles later, the lights are back on. I just took it in for an oil change a week or two ago to a shop up here. I talked to the owner who checked it out and said it looks fine, but that was after I drove around for a week after unhooking the battery. Check engine lights came back on again, and after scanning it the code pops up as a small leak somewhere. Anyways, this is driving me crazy. I have no income coming in right now as it is and the car needs to be inspected in less than two weeks and pass (This is the first time I am having it inspected in Mass.). Any ideas to what else it could be?
 
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what was the code #?

The code was P0456

Evap emission control system pressure leak
detected small leak

Possible cause:
Faulty fuel cap (I replaced this recently with a new factory cap)
EVAP line leakage
Pump Module Failure
Canister Faulty (I just had my mechanic replace the EVAP cannister assm).

My mechanic orginally found codes for the evap cannister orace clogged, replaced the assem., reset codes and kam.

That cost me $602.33, so I wonder what else it could be. He said it looked fine and there was no additional issue. When I called him on it he said he didn't replace a sensor under there, or it was possible what he put on was faulty so I have a replacement warrenty.

BTW, I know that was more information than what you wanted, but I just thought I would share more of what happened.
 

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