Toyota Emission

How Do You Tell If A Egr Valve Is Clogged Up? And How Do You Clean It Out If It Is Clogged Up?

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?

Failed The 15 Mph Hc(ppm): Rpms=1630 Co2%=14.10 O2%=0.55 Hc(ppm)=156 Avg. Is 31 Max. Is 142 After Failing I Purchased New Plugs...

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...

Engine Performance Problem 1991 Toyota Tercel 4 Cyl Automatic 135000 Miles Hi, I Have A 1991 Toyota Tercel That Will Not Pass...

Engine Performance Problem 1991 Toyota Corolla 4 Cyl Front Wheel Drive Automatic 1991 Toyota Corolla - 4fae Engine Type. Automatic. ...

Greetings, I Am A Car Enthusiast And I Have 3 Questions That, Unfortunately, Have Remained Unanswered. One Of Which Has Not Been Solved...

The Car Fails Smog In Speeds Under 25 Mph. The Mechanic Was Confused And Explained Most Cars Fail In High Speeds. He Couldn't Explain...

How Do I Replace The "egr" Valve?

1991 Landcruiser 200,000 Miles, Auto, 4wd, Straight 6. Engine Running Rough And Cutting Off At Idle. Just Replaced The Plugs, But It Seems...