So I've been grinding on this G7 certification for almost eight months now and honestly felt like giving up after my second fail. Both times I scored around 68%, which stings because passing is 70%. My main weak spots were the electrical systems questions and anything involving fuel injection diagnostics — just couldn't get those to click no matter how many times I reviewed the material.
What finally turned things around was switching up how I was studying. I dropped the textbook-only approach and started mixing in a solid G7 practice test routine — doing timed sets of 30 questions every morning before work. That pressure really exposed gaps I didn't know I had. I also found a study guide that organized topics by system rather than chapter, which made the relationships between concepts way clearer.
Passed with a 76% on my third attempt last week. For anyone else struggling, my biggest exam tips: don't just read answer explanations, actually look up the underlying principle. And seriously, simulate real test conditions — the time pressure is its own beast. Happy to share more about what resources I used if anyone's interested.