Honda Emission

I Took My Car In For Inspection And It Failed The High Speed Emissions Nox (ppm). The Standard Is 1240 And Mine Is 1267. How Can I Lower...

Engine Performance Problem 1994 Honda Civic 4 Cyl Front Wheel Drive Automatic 100.00 Miles Ok I Have A 94 Civic With A D16 Vtech....

I Toke The Car To Inspection Again Today And It Failed Again Because Of The Hc And Co% Was Too High. I Changed The Catalytic Converter And...

Hi, My Car Fail The State Emission Inspection, Because The Hc And Co% Was Too High. So Now What Should I Change The Oxygen Sensor Or The...

Hi, I Toke My Car To Inspection, And The Car Fail Inspection Because The Hc And Co% Was Too High. So What Do You Think I Have To Repair To...

1994 Honda Civic 112000 Miles I Have Been Having Considerable Trouble With My 1994, Honda Civic Lsi 1493 Engine, For A While Now. It...

Engine Performance Problem 1994 Honda Accord 4 Cyl Front Wheel Drive Manual My Hc Level Is 324 And My Co% Is 10.37 Will A Egr Valve...

Hi. My Civic Fail Emissions Because It Fail Pressure Test... Need To Know How To Fix This. Guy Said It Might Be The Vacuum From The Evap...

I Have My Engine Light On Amost Everytime I Drive. It Shows The Same Code Everytime Which Is 12-egr System. Well I've Been To Mechanic About...

I Have A 1993 Civic Dx 4d 1.5l. The Problem Im Having Is I Am Unable To Get The Idle Set Where I Want It. On Cold Start Engine Revs To 1500-...