P CODES (POWERTRAIN)

Hi, I Recently Had An Issue With The Check Engine Light Coming On. I Took It To A Partsource To Get An Obd Scan And The Computer Came...

Engine Performance Problem 1997 Mercury Marquis 6 Cyl Automatic 94000 Miles Car Runs Rough At Idle, Difficult To Stay Running, Mil...

Transmision Seems To Work Fine But I Ave These 2 Codes That Keep Coming Up In Computor. How Do I Fix It. What Do I Ned To Change?

Any One Have An Idea On What I Should Check First Before I Buy Any Parts For It. I Heard It Could Be The Fuel Pump Or The Filter Or Possible...

I Had All The Spark Plugs Replaced B/c Found @#8 Cyl Spark Was Bad. The Truck Seemto Have A Rough Idle. Do I Need To Replace The O2 Sensor...

States This Code Comes Up, Camshaft Position Sensor Circuit.? Is Where Is This Located, Have Been Told On This 1998 That It Is In...

My Car Is Showing These Two Codes. I Need To Know What They Mean And What To Do To Fix The Problems

Main Cat Is Below Eff. Threshold (bank 1) Does This Mean I Have To Replace The Cat That Comes Off The Exhaust Header Or The One In...

I Had A Diagnostic Check Done On Car Because The Engine Light Came On And It Read, "camshaft Position Sensor Bank 1. Pkt/perf. Can You...

Replaced Coil On Cylinder 4. Put New Spark Plugs In It. Then We Were Getting The Misfire For Cylinder 1, 2, And 4. Drove It A Little More...