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  1. General
    Hey Guys, I’m in desperate need of your advice and guidance. I have 03 Trailblazer 4.2 with 90,000km (56K miles) on it, purchased back in May 2020 in Dubai. I love the car and it was always running fine. No noise, idling at 600 rpm when sitting behind a light and 1900 rpm on highways at 100...
    misfire p0301 p0440 sputtering engine
  2. OEM Issues
    I've been getting a P0440 code that won't go away. I have been chasing the usual suspects... I bought a new gas cap, I checked the evap vent valve in the back near the gas tank... it checked out fine (It activates and stops the flow of air/gas). I also checked the Purge Valve on the driver side...
    crack filler neck gas tank leak p0440
  3. Introductions
    Hey folks I thought I'd start here and introduce myself. My name is Talon. I'm a bit of a motor head enthusiast and am looking for getting connected and getting advice from a community of like minded DIYers. I just bought a 2003 Chevy Trailblazer as a bit of A to B guy and to have something...
    filler neck gas tank p0440
  4. OEM Issues
    Hello im new to this site and new to my trailblazer (chevys as well). Just recently my service engine soon light popped on and wasnt sure what it could be. I took it to my local Orielly's and tested it. It showed the code "P0440 Evaporative Emission Control System Malfunction". I dont know a lot...
    engine p0440 service
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