Honda P Codes (Powertrain)

A Couple Of Days Ago My Check Engine Light Came On. Plugged A Scanner In And Got P0420, But That Was It, No Other Info. Google Says...

I Recently Had A Check Engine Light Come On For Code P0685 (ecm Power Relay Circuit Open) And P0306 As It Shows In My Scanner App. The Car...

I Am Receiving The P1039 Code On My Vehicle Listed Above. In The Last 4 Months I’ve Had The Rear Oxygen Sensor Replaced Twice And The From...

Another Problem With My Car. Last Friday I Was Driving From Phoenix To Tucson For Work And I Noticed That My Check Engine Light Started...

I Have These Three Codes. I Checked Gas Cap For A Good Seal And Also Get The Check Gas Cap Message. I Am Thinking About Changing The Purge...

Changed Mounts On It Went For A Test Drive Felt A Jerk. After It Changed Above 3,000 Rpm The It Locked Into Safe Mode, Never Did That...

I Have Replaced Both Pcm Valve And Oxygen Sensor, But The Code Won't Clear.

1. I Changed Spark Plugs And Air Filter 2. I Changed The Coil Pack On Cylinder 1 3. I Tested Cylinder Compression, Checked Out 4. I Changed...

When Starting Off With The Car From A Standing Stop, The Transmission (automatic) Will Shift Normally. But After A Few Shifts It Will Start...

I Have Two Dtc P0135 And P0498, I Have Replaced The A/f Sensor And Also The Vent Valve, But Both Codes Comes Back After A Short Ride.