EMISSION

My Ford Wont Pass Smog I Pulled Up The Codes Off It An It Cam Up With A 171 An I Looked It Up An It Says Something A Bout A Map Sensor But...

Ok I Live In Houston Texas And Today I Took My 1987 Toyota Landcruiser To Get Inspected, It Passed Everything Except For The Co Test. To...

Recently My Cadillac Has Started Stalling When Stopped And Sometimes While Driving, It Also Revs And The Gas Pedal Pushes In A Little When...

On The 1987 Reliant, Where Is The Egr Valve Located? I've Got Code 34 That States The Egr Solonioid Circuit Is Open. Does This Pertaiin To...

Where Is The Purge Valve Solenoid Located On The 2008 Xl-7? Thank You.

I Have Taken My Truck 4 Times And Can Not Pass Emission Test. I Am Being Told That The Hc, And Nox Is High. So I Dont Know What To Do

My 1985 Lebaron, 2.2l 4cyl (efi) Will Not Pass Emissions Testing Because It Will Not Idle Below 1800 Rpm. I Am Tolfd That It Is The Idle...

Got It Diagnosed Today, Guy Said I Needed An O2 Sensor Replace, And New Catalytic Converter. I Got Them Both Today, Got It Tested, And...

1998 Ford Taurus Sho. Trying To Replace Air Pump, Have Been Unable To Find An Engine Diagram To Locate Where The Pump Is Located On The...

My Car Will Not Pass Smog. Diagnostics On It, Does Not Show Anything Wrong With The Motor. The Tech Guy, Told Me To Drive It For 30 Miles...