SMOG

My Car Failed Smog Now I Put New Plugs New Wires New Cap And Roter It Is Now Back Fireing And Idle Is Rough, It Ran Good B4 I Did All This...

It Failed Smog On Catalyst, Prior To Going I Had Starter Changed, He Said Maybe Due To Unplugging The Battery And Should Drive It. Is...

My Truck Failed The Fuel Evaporative Controls Functional Portion Of The Functional Check Smog Test. What Could It Be? And How Much Am I...

93 Dodge Dakota Truck, V8, Failed Smog, After It Warms Up It The Idle Becomes Rough, Has Good Power On Acceleration, Smog Test Had Hi...

My Vehicle Runs Fine But It Will Not Pass Emissions Test. How Can I Reduce The Amount Of Unburned Fuel At The Tailpipe? Fuel Pressure Gauge...

Engine Performance Problem 1982 Jaguar Xjs V12 Two Wheel Drive Automatic My 82 Xjs Will Not Pass The Smog Check I Bought It In '06 And...

Noises Problem 1968 Volkswagen Beetle Manual Hi, I Have A 1968 Vw Beetle, Its Been Off The Road For The Last 12 Months To Be...

This Car Passes Emissions Testing Regularly But Co Levels Have Been Elevated To 2/3 Of The Limit For Many Km (approx. 60k Miles). I Bought...

Recently Failed The Emissions Test Only On The N0x. Readings Were 5.2171 Limits Were 4.0000. Hc Was 1.8484 Limits 2.0000 So Its Running A...

Engine Mechanical Problem 1984 Isuzu Truck 4 Cyl Two Wheel Drive Manual My Pu Passes All But The 15 Mph No Witch Are 300 To High What...