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(Pt1) Crazy Honda STUMPS Dealer...Runs RICH Once a MONTH?? ('17 Accord V6: P0175-P0297-P0299)

Pine Hollow Auto Diagnostics · 10 October 2026

Owner brought his MINT 2017 Honda Accord V6 to PHAD because the Local Dealer and Shops are completely STUMPED.

At only 40k miles, this like-new Accord has been setting RICH CODES about once a MONTH over the last 6 months, and occasionally running like GARBAGE!

[P0172, P0175, P0297, P0299] are set intermittently.

The owner is an Engineer by trade, and has been logging some scan data and taking detailed notes.

Everything looks fairly normal, but occasionally the Mass Airflow Sensor (MAF) reads HIGHER than expected.

Actually, a P0101 DTC set within the last week...hmmm.

At the moment, the car has NO CODES stored at all!

Do we have a chance of Catching this GHOST?

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