Toyota 4Runner Emission

Smelled Exhaust Fumes Two Days Before Engine Light Came On. Solenoid Checked And Is Operating. Rubber Hoses Didn't Appear To Be Leaking...

Hi - Ck Engine Line Came On And At Autozone The Read An Egr System Error Code... "p0401 Exhaust Gas Recirculation Flow Insufficient...

My Very Well Taken Care Of 98 Toyota 4runner Has Been Smog Tested 4 Times And It Won't Pass. It Is Just Barely Not Passing - Replaced Air...

I Failed The Smog Test. The Nox Reads High At 15 Mph But Passes At 25 Mph. No Check Engine Light. I Replaced The Spark Plugs And Air...

Engine Problem 1997 Toyota 4runner 6 Cyl Wheel Drive Type Unknown Automatic 12200 Miles Where Is The Location Of The Pcv Valve

Went To Get My Car Smog Checked, But It Didn't Pass. They Guy Doing The Service Was Kind Of A Jerk And Wouldn't Really Explain Why It Didn't...

Engine Performance Problem 1994 Toyota 4runner 6 Cyl I Need To Know What Will Happen To My 94 Toyota 4 Runner If The Egr Valve...

Do You Need Egr Valves?

Engine Performance Problem 1991 Toyota 4runner 6 Cyl Four Wheel Drive Manual Where Is The Pcv Valve Located On A 3vze 3.0 ? Any Pics?

I Am Looking Into Purchasing A Used Toyota 4runner, And The Previous Owner Says That There Is Steam That Comes From The Tailpipe, But He...