P CODES (POWERTRAIN)

Code Says Cylinder 2 Misfire. Changed Plug Wires. Still Same After I Cleared The Code. Now Moving On To Coil. What Else Can I Do Or Look For...

When I Stop At Redlight Or Stop Sign Eng. Just Stops, No Running Rough, Just Stops Like I Turned Off The Eng. The Veh Will Start Up As Soon...

I Own 2003 Cadillac Escalade The Check Light Came On And I Brought It To The Mechanic. The Codes He Pulled Up Were P0171-p0174 Fuel Trim...

Initially I Received Codes For My Oxygen Sensors, I Replace Both Of Those On The Bank 2 Side. But, Now I Am Getting Codes 174 And 300 And...

How Do I Fix That Problem? My Van Is E150 98' V6 Is Burning More Gas Than Usual Thanks For Your Help.

We Changed Out The Maf Sensor. But After A Day The Light Came Back On And It Is Still Those Codes. Any Suggestions?

Engine Performance Problem 2002 Toyota Camry 4 Cylinder Two Wheel Drive Automatic 94,000 Miles. My Car Was Running Good I Went To Good...

The Code For Catalyst Efficiency Below Threshold Bank 1 Showed Up When I Purchased The Car And I Gave It Back To The Dealer And They Must...

Engine Light Came On Took To Dealer Said It Was Rear Catalytic Converter And Now Engine Is Back On And They Said It Might Be The Front One...

"catalyst System Efficiency Below Threshold (bank 1)". Is This Something I Can Repair Myself? I Have Already Changed Out All Sensors...