Real ChatGPT answer · index seedvFn6BTypXu0completeAutomotive · car repair and maintenancecomparison
What is the difference between a cheap 20 dollar OBD2 scanner and a 100 dollar diagnostic tool when dealing with persistent check engine lights?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What is the difference between a cheap 20 dollar OBD2 scanner and a 100 dollar diagnostic tool when dealing with persistent check engine lights?
1 real search · 1 real-search pass
OBD-II generic scan tool capabilities live data freeze frame manufacturer enhanced diagnostics bidirectional controls differencesGoogle ↗
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
OBD-II generic scan tool capabilities live data freeze frame manufacturer enhanced diagnostics bidirectional controls differences Google ↗
- Diagnostic scan tool questions answered · fleetmaintenance.com
- Introduction to the 2015 Scan Tool Spec Guide · fleetmaintenance.com
- What’s the difference between OBD-II standard and enhanced diagnostics? : OBDLink · support.obdlink.com