EMISSION

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I Have A Bad Vacuum Leak Where The Egr Tube Goes Into The Upper Intake. There Is Too Much Play Back And Forth When Bolted In. Like It Is...

Bought Car Recently. Wouldn't Run At All Untill I Had The Maf Changed. Runs Good Now But It Wont Pass Smog And Has Trouble Shifting....

I Purchased My 1996 Ford Ranger With The Egr Valve Tubes Cut And Crimped Shut. I Found Replacement Tubes At The Salvage Yard And Now I Want...

Hi, I Have A 1999 Express Van That Has A Lean Mixture Fault Code And Will Not Pass Smog Because Of It, It Is A 350 Motor

Computer Problem 2001 Hyundai Elantra 4 Cyl Automatic 49000 Miles 3 Months Ago The Malfunction Indicator Light Came On. The Obd Scan...

My 1990 Cadi Sedan Deville Wont Pass Smog! Its Running 1 & 1/2 Times Richer Than The Max Allowed. Ive Replaced The Cad Converter & All...

Misfire At Plug Number One. Changed Plugs, Wires And Coil Pack. What Else Can It Be? Changed Plugs Around To Make Sure I Did Not Get A Bad...

Failed Miserably, Almost Twice As High As Passing Grade. I Replaced The Catalytic Converter Two Years Ago And It Barely Passed Then. (The...

Where Is The Canister Purge Valve Solenoid Located On A 2003 Monte Carlo Ss?