Real ChatGPT answer · index seedxedxdd3sbY8completeAutomotive · car repair and maintenanceinformational
Why does my OBD2 scanner show a pending P0420 code only after sustained highway driving when city driving yields no emissions faults
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Why does my OBD2 scanner show a pending P0420 code only after sustained highway driving when city driving yields no emissions faults
2 real searches · 1 real-search pass
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 (2)
Classes come from the query-classifier (a local Laya model). 1 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT2 real searches · gpt-6
OBD-II P0420 catalyst monitor highway steady speed pending code oxygen sensors diagnostic causes manufacturer technical Google ↗
EPA OBD catalyst monitor enabling conditions steady state driving P0420 oxygen sensor Google ↗
- DTC Advanced Diagnostics: P0420 · downloads.laboratoryb.org
- OBDII Readiness and Communication Failures · epa.ohio.gov
- DTC Troubleshooting: P0420 · downloads.laboratoryb.org
- DTC P0420. Saturn AURA 2008 · gm.saturn.team
- P0420: Catalyst System Efficiency Below Threshold (Bank 1) · guides.innova.com
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
OBD-II P0420 catalyst monitor highway steady speed pending code oxygen sensors diagnostic causes manufacturer technical OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 | |
EPA OBD catalyst monitor enabling conditions steady state driving P0420 oxygen sensor OBSERVED | Google ↗ AI Mode ↗ | — | Consequence | — | — | 1x of 1 |