Plain-English guides from AI Mechanic: what the warning means, what it likely costs, and what to check first — written for the moment the light comes on.
Car shaking at idle? Check five causes in order — plugs and coils first. What each feels like, what a check costs, and how to get a first read first.
Published October 23, 2026
How much does a car diagnostic cost? A shop diagnosis can cost $100 or more. What that fee covers, what it misses, and how to get a first read free.
Published October 22, 2026
Check engine light flashing — can you still drive? What flashing vs. steady means, likely causes, repair costs, and what to check first.
Published October 21, 2026