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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...
  2. Engine Tunes/Mods
    My 2003 TB all of the sudden started running bad at a stoplight. Check engine light flashed and then came on steady. Checked code when I arrived home. P0306, misfire cylinder 6. After going through the forum I decided to swap ignition coil 2 and 6 to see if the problem would move to cylinder 2...
  3. OEM Issues
    can I test the coil pack with an ohmeter? Trying to avoid dealer labor, thanks!
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