Toyota 4Runner Smog

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...

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...

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...

I Have An 88 Toyote 4runner Than Wont Pass Smog.so Fat The Cat Has Been Replaced A Tune Up And The Timming Set But The Nox Are Still Over...