EMISSION

I Need To Know What Would Cause The Egr Valve Not To Work. The Vacuum Hoses Are All Fine, And It's Not The Actual Egr Valve That Is The...

Got An Engine Light, Scanner Says P0411 Which "secondary Air Injection, Improper Flow" Smog Pump. I Tested The Wiring Harness And...

Engine Performance Problem 1997 Buick Century 6 Cyl Front Wheel Drive Automatic We Have A 1997 Buick Centur, For The Past Two Years...

2004 Buick Lesabre 3800 Mileage: 14,000. I Have Tried To Get This Car To Pass The Emissions Test. There Are No Fault Codes, Car Runs Well...

Have A 1996 Mercury Cougar 4.6 V8. 110,000 Miles, I Have Tried To Remove The Sensor From The Bracket At The Firewall With Success, But I...

Engine Performance Problem 1996 Ford Thunderbird V8 Two Wheel Drive Automatic 107k Miles I Own A 1996 Thunderbird Lx Sport With The 4.6...

Dear Sir: Does 1999 Toyota Corolla Have Canister Vent Valve? Is It Also Called Canister Closed Valve? Thank You Very Much!

1. How To Clean Egr Valve On '04 Ford Explorer 2. Try To Find Fuel Rail Pressure Temp Sensor(frpt). Is This A Dealers Item? Scan Trouble...

Engine Performance Problem 1986 Renault Trafic 4 Cyl Two Wheel Drive Automatic Compression Test Showed #1 125 #2 120 #3 120 #4 120...

My Check Engine Light Came On Yesterday Morning. I Never Comes On So I Was Concerned. I Took It To The Local Auto Parts Store And After The...