Real ChatGPT answer · index seedr6ExQtS6STYcompleteAutomotive · car repair and maintenancecomparison
How does the cost of doing a pre purchase inspection myself using an OBD2 scanner compare to hiring a professional mobile mechanic in Chicago?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
How does the cost of doing a pre purchase inspection myself using an OBD2 scanner compare to hiring a professional mobile mechanic in Chicago?
1 real search · 1 real-search pass
Chicago mobile mechanic pre-purchase inspection cost 2026 OBD2 scanner DIY inspection costGoogle ↗
OBSERVEDComparison
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (1)
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
Chicago mobile mechanic pre-purchase inspection cost 2026 OBD2 scanner DIY inspection cost Google ↗
- Chicago Mobile Mechanic - Convenient Car Repair · autonationmobileservice.com
- Mobile Car Inspection in Chicago, IL · carinspections.com
- Diagnostics · chavastireshop.com
- Pre-Purchase Car Inspection | Chicago Suburbs · greasenomads.com