SMOG FAIL

My 1996 Ford F150 Do Not Pass Smog Check Because Of Computer Problem How Can I Fix That?

Recently Went To Go Do State Emission Test And Failed Twice, Once Because Of P0171 Code With High Nox To Which The Code Is Now Fixed...

Just Got A Tune Up On Car. No Lights Currently On. Went To Emissions And It Failed Due To Obd Connection Failed. Not Reading. What Could...

I Think I Sucked A Ring On One Cylinder. A Mechanic Told Me He Could Fix It Without Pulling The Engine. Is That Possible And Can You Only...

My 1996 Sebring Lxi Will Not Pass Smog Due To A Functional Check Failure. Smog Place Told Me That It Could Be Due To My Cars Computer...

I Took My Mother's Car To A Smog Test/ Repair Station And It Failed. The Check Engine Light Had Been On For Several Months. The Mechanic Ran...

Went To Get Car Smog. Did Not Pass Due To Malfuctional Indicator Light. But Engine Light Does Not Come On.

I Have An 88 Toyote 4runner Than Wont Pass Smog. So Fat The Cat Has Been Replaced A Tune Up And The Timming Set But The Nox Are Still Over...

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....

My Car Runs Fine Had Water Pump Replaced Still Cant Pass Smog Also Change The Plug Wires And I Also Changed Coolant Sensor And Plugs Wires...