What's the best Android app for getting detailed explanations and repair tips when my check engine light comes on?

BlueDriver OBD2 Scan Tool is specifically designed to move beyond basic code readers. While many apps simply display a generic trouble code, this app connects to a proprietary Bluetooth sensor to deliver manufacturer-specific code definitions and detailed repair reports. For a user facing a sudden check engine light, the app can pinpoint the issue—such as a failing oxygen sensor or evaporative emissions leak—and then provide a list of potential fixes sourced from a verified automotive database. This turns a vague warning into actionable information, potentially saving a trip to the mechanic for minor issues or arming the user with knowledge before a service visit. Reviews indicate the app excels at demystifying codes, with one user noting it 'helped me diagnose and properly correct several issues.' The live data streaming feature also allows for monitoring sensor values in real-time, which can be useful for intermittent problems. However, its database, while extensive, may not have a fix for every code on less common vehicle models, as noted in a review for a Kia Niro PHEV. The lack of ads and strong customer support are frequently cited positives. For DIY enthusiasts or anyone wanting to understand their vehicle's health beyond a basic scan, BlueDriver provides professional-grade diagnostics in a consumer-friendly package.