Check Engine Chat

Ask anything about any car from 1976-2025. Specs, fixes, common issues, DIY procedures all answered on-device in seconds. Audio diagnostics (Pro) detects fault sounds.

Your AI mechanic, running entirely on your phone.

Ask any car question and get instant, accurate answers grounded in a curated automotive database covering 400+ vehicle models from 1976 to 2025. Oil specs, torque values, tire pressure, transmission fluid, spark plug gaps, DIY repair guides with tool lists and difficulty ratings, and symptom-based diagnostic troubleshooting.

AUDIO DIAGNOSTICS (Pro) Record your engine sound. The AI analyzes the audio and identifies the problem such as knock, turbo failure, belt squeal, timing chain wear, transmission whine, VTEC rattle, and more. All processed on-device in seconds.

PRIVACY FIRST Everything runs on your iPhone. No cloud servers. No accounts. No analytics. No tracking. Works in airplane mode. Your car problems are yours.

FEATURES

• Vehicle spec lookup (oil, torque, tire pressure, fluids)
• DIY repair guides with tool lists and difficulty ratings
• Symptom based diagnostic reasoning
• Audio engine sound diagnosis
• Aftermarket and mod guidance
• Conversation history + Generate Report
• Works fully offline after setup

Requires iPhone 15 Pro Audio diagnostics work best on iPhone 16 Pro or later. Built by car enthusiasts.