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  1. Tick tick tick tick... is it a bad fuel injector?

    Cadillac SRX First Generation Forum 2004-2009
    Under the hood, once the engine idles down low, there's a persistent "ticking" from what would appear t be my fuel injector. Has anyone else had this issue? I've heard that it's a fairly common issue. I've tried Techron, which seems to have helped it some, but I'm wondering if I should get new...