ENGINE RUNS ROUGH

My 96 Cherokee Has Black Soot Around The Tail Pipe. After I Drive It Then Stop Say For 10 Or So Minutes Then Restart It Acts Like It Is...

All Started With A Simple Spark Plug Change. I Have Dropped Gas Tank Cleaned, New Fuel Filter, First And Third Cylinders Received New...

Engine Performance Problem 2002 Honda Crv 6 Cyl All Wheel Drive Automatic Started Having Problems Pulling Hills But Idles Fine Two...

Was Told Cyclinder 2 Missing, Replaced Ignition Coil, Spark Plugs & Wires. Replaced Fuel Injectors For Cyclinder 1, 2, &3. Re-scanned. Now...

I Recently Changed The Coupling On The Supercharger On My 1997 Buick Park Avenue Ultra. I Removed The Snout By Removing The Numerous Bolts...

Will Not Respond To Gas Pedal.

Engine Misses When Idling And Driving Not Bad But Noticable. Changed Egr Valve And Regulator As Well As Plugs And Wires

Engine Surges At Idle Between Stalling And 1500 Rpm. Strong Gasoline Smell. I Have Been Told It Is A Vacuum Leak, A Bad Catalytic Converter...

Engine Performance Problem 1969 Pontiac Firebird V8 Two Wheel Drive Automatic I Have A 69 Pontiac Motor That Has Been Rebuilt With Ho...

No Fire To #3 & # 6 Cylinders. Changed Coil No Difference.