EMISSION

Start Hearing A Loud Squealing Noise Which I Thought Was A Dry Belt. Noise Only Starts If I Accellerate And Stops If I Give The Pedal A...

I Notice Smell Of Engine Oil When I On The Car Heater, And Also My Car Dash Indicates Insufficient Engine Oil.

Egr Vac Solenoid Having A Hard Time Trying To Find This Part, Can You Help Me?

My Van Has Failed An Emissions Test Twice For High Hc At Idle The First Time It Was 11 Over The Max Allowed The Second Time It Was 68 Over...

Would Changing The Evap Pressure Sensor, Make My Car Drive Smoother? Is That What Is Causing It To Putt Around? The Troubleshooting From...

I Failed The Smog Test Idling At 798rpm. I Passed It At 2500 Rpm.I Changed My Oil Used Oil Additive And Fuel Additive. My Engine Was Hot...

My Daughter Purchased A Used 2001 Nissan Altima. The Check Engine Light Came On, So She Went Back To Where She Purchased The Car (there Is...

Always Has Trouble With Nox Too High. Have Tried Multiple De-carbonizing Additives In The Fuel. Brand New O2 Sensors, Brand New Complete...

I Have This Car With 2 Wires Broken Off Of The Egr Connector. Can You Possibly Share The Colors Of These Connector's Wires? As I Don'...

Where Is The Egr Valve Located On A 2004 Chevy Tahoe 5.3l Z71 Flex Fuel