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GM Tech (Cam)
GM Tech (Cam), Buick Technician
Category: Buick
Satisfied Customers: 29427
Experience:  GM Grand Master Technician 2007. 11 years experience.
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2002 Buick Rendezvous: engine light came..the Evap solenoid..gas cap

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I have a 2002 Buick Rendezvous that recently had a fuel pump replaced. The service engine light came on shortly there after with 2 codes, P0449 and P0452 indicating a problem with the Evap solenoid. The solenoid was replaced along with the gas cap but the service engine light is back with the P0449 code. All hoses and the electrical connection were checked. My mechanic doesn't have an answer. What could it be?

Greetings and Welcome to Just answer.

Did the mechanic check the wiring all the way from the front ECM to the solenoid? There is a connector that goes into the body in front of the fuel tank that gets water in it and causes issue.

 

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