MERCURY EMISSION

I Have 4.6 Merc. I Replaced The Egr Valve Everything Was Alright Until Engine Light Came On. I Check With Obii, Said The Pfe Sensor Bad....

Okay, We're Back. This Is From The 98 Dohc Engine. I Have Since Replaced The Fuel Pump, Filter, Plastic Hoses From The Fuel Pump...

Emissions. Egr Flow Insufficent, Changed Valve, And Sensor, Have 12 Vdc @sensor. Check Hoses For Blockage-ok, Have Good Suction With Valve...

How Do You Clean Out Egr Passages?

I Have A P1131 Code And It States On The Tester The Switch Control Valve Sensor Has Detected Lean Condition Bank 1. I Have Only This One...

My Car Has Low Egr Flow. Pulled Line From Valve And No Vacumme At 2000 Rpm. Vacume At Selenoide. Powered Solinide Vacume At Egr Valve...

92 Grand Marquis 4.6l Auto 103k I Have An Engine Check Light Problem The Koeo And The Koer Test Gave Me A 327 Error Code Which According...

Engine Performance Problem 2002 Mercury Cougar 6 Cyl Two Wheel Drive Automatic I Have A 2002 Mercury I Have Replaced The Egr Value...

Even Tho My Check Engine Lite Is Not On. It Wont Pass Smog. It Had A Faulty Thermostat. Replaced It And Smog Test Comes Back As Incomplete....

Car Will Not Idle Properly, I Have Changed Plugs With Motocraft Platinum, Plug Wires, Coil, Idle Air Control Valve And Pcv Valve And...