P CODES (POWERTRAIN) P0500 - P0599

I Have A Couple Questions. The 2 Codes Set, Cleared Them And They Reappeared. P0455- Gas Cap Is New, Visually Looked At All Lines And Such...

Q; I Recently Changed Timing Belt & Water Pump. I Noticed When Reassembled The Car Was Idling At 1000-1100 Rpm, A Tad High. Soon After We...

I Have A Nissan. Altima 2002 Showing Codes Of P0507 Idle Air Control System Rpm Higher Than Expected P0455 Evaporative Emissions System Leak...

There Are Three Oxygen Sensors On The Exhaust, How Do I Test To See Which One Needs Replacement. Or Is There Another Solution To These Codes...

P0500 Read By Advance Auto Parts. Their Reader Said Speed Sensor A Was Not Working, Is That The Input Or Output Sensor?

My Car Is The Le Model With A 2.4 Engine. My Car Showing P0500 Code And I Did Change Speed Sensor Also But Again Showing Same Code And...

Could This Be Related To The Transmission? Car Now Would Only Go Into Reverse All Of A Sudden.

Engine Malfunction Service Engine Soon Light Stays On.

Check Engine Light Came On. Had It Tested At Local Auto Parts Store. Came Up Po507 What Is This And How Do I Correct It?

Sounds Like There Is Nothig Left That Works. Maybe A Coked Wire Harnes? Good Luck And Let Us Know. :)